From ba654e64c88f663d666f27a0236fc7e0b71babd3 Mon Sep 17 00:00:00 2001
From: Raymond <raymond@zipcoder.local>
Date: Tue, 27 Jul 2021 22:07:39 -0400
Subject: [PATCH 1/3] gettin started

---
 .idea/compiler.xml                            |   2 +
 .idea/jarRepositories.xml                     |  20 +
 .idea/libraries/Maven__junit_junit_4_12.xml   |  13 +
 .../Maven__org_hamcrest_hamcrest_core_1_3.xml |  13 +
 .idea/modules.xml                             |   1 +
 .idea/workspace.xml                           | 582 ++++--------------
 pom.xml                                       |   8 +
 .../singlylinkedlist/SinglyLinkedList.java    |  77 +++
 .../SinglyLinkedListTest.java                 |  36 ++
 9 files changed, 296 insertions(+), 456 deletions(-)
 create mode 100644 .idea/jarRepositories.xml
 create mode 100644 .idea/libraries/Maven__junit_junit_4_12.xml
 create mode 100644 .idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml

diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 4be381c..a07d5fa 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -6,11 +6,13 @@
         <sourceOutputDir name="target/generated-sources/annotations" />
         <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
         <outputRelativeToContentRoot value="true" />
+        <module name="singlylinkedlist" />
         <module name="CR-MesoLabs-Collections-SinglyLinkedList" />
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel target="1.8">
       <module name="CR-MesoLabs-Collections-SinglyLinkedList" target="1.5" />
+      <module name="singlylinkedlist" target="1.5" />
     </bytecodeTargetLevel>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..712ab9d
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__junit_junit_4_12.xml b/.idea/libraries/Maven__junit_junit_4_12.xml
new file mode 100644
index 0000000..d411041
--- /dev/null
+++ b/.idea/libraries/Maven__junit_junit_4_12.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: junit:junit:4.12">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml
new file mode 100644
index 0000000..f58bbc1
--- /dev/null
+++ b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: org.hamcrest:hamcrest-core:1.3">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
index ad4fefc..8b9083f 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -3,6 +3,7 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/CR-MesoLabs-Collections-SinglyLinkedList.iml" filepath="$PROJECT_DIR$/CR-MesoLabs-Collections-SinglyLinkedList.iml" />
+      <module fileurl="file://$PROJECT_DIR$/singlylinkedlist.iml" filepath="$PROJECT_DIR$/singlylinkedlist.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b6d36bd..4403f6b 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,86 +1,43 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
+  <component name="BranchesTreeState">
+    <expand>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="LOCAL_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:origin" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+    </expand>
+    <select />
+  </component>
   <component name="ChangeListManager">
     <list default="true" id="4f0c6f35-1ac5-49ea-b41e-20445c07c5c6" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+      <change afterPath="$PROJECT_DIR$/.idea/jarRepositories.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__junit_junit_4_12.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/compiler.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java" afterDir="false" />
     </list>
-    <ignored path="$PROJECT_DIR$/out/" />
-    <ignored path="$PROJECT_DIR$/target/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
-  <component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
-  <component name="FileEditorManager">
-    <leaf>
-      <file leaf-file-name="pom.xml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/pom.xml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/README.md">
-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="SPLIT">
-              <first_editor relative-caret-position="0">
-                <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-                <folding />
-              </first_editor>
-              <second_editor />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="MainApplication.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/MainApplication.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="5" column="28" lean-forward="false" selection-start-line="5" selection-start-column="28" selection-end-line="5" selection-end-column="28" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="SinglyLinkedList.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="5" column="29" lean-forward="false" selection-start-line="5" selection-start-column="29" selection-end-line="5" selection-end-column="29" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="SinglyLinkedListTest.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="5" column="33" lean-forward="false" selection-start-line="5" selection-start-column="33" selection-end-line="5" selection-end-column="33" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name=".gitignore" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/.gitignore">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="5" column="5" lean-forward="true" selection-start-line="5" selection-start-column="5" selection-end-line="5" selection-end-column="5" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
@@ -91,181 +48,27 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
-  <component name="GradleLocalSettings">
-    <option name="externalProjectsViewState">
-      <projects_view />
+  <component name="MavenImportPreferences">
+    <option name="generalSettings">
+      <MavenGeneralSettings>
+        <option name="mavenHome" value="$APPLICATION_HOME_DIR$/plugins/maven/lib/maven3" />
+      </MavenGeneralSettings>
     </option>
   </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/.gitignore" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectFrameBounds">
-    <option name="y" value="23" />
-    <option name="width" value="1920" />
-    <option name="height" value="1053" />
-  </component>
-  <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="ProjectPane">
-        <subPane>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="singlylinkedlist" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="CR-MesoLabs-Collections-SinglyLinkedList" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="singlylinkedlist" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="CR-MesoLabs-Collections-SinglyLinkedList" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="test" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="singlylinkedlist" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="CR-MesoLabs-Collections-SinglyLinkedList" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="main" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="singlylinkedlist" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="CR-MesoLabs-Collections-SinglyLinkedList" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="main" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="java" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="com" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="zipcodewilmington" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="singlylinkedlist" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-            </PATH_ELEMENT>
-          </PATH>
-        </subPane>
-      </pane>
-      <pane id="PackagesPane" />
-      <pane id="Scratches" />
-      <pane id="Scope" />
-    </panes>
+  <component name="ProjectId" id="1vv7OusbRpNHB5aZ3pmU9tIKpDs" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
   </component>
   <component name="PropertiesComponent">
-    <property name="settings.editor.selected.configurable" value="reference.projectsettings.compiler.javacompiler" />
+    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="project.structure.last.edited" value="Project" />
     <property name="project.structure.proportion" value="0.0" />
     <property name="project.structure.side.proportion" value="0.2" />
-  </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
+    <property name="settings.editor.selected.configurable" value="reference.projectsettings.compiler.javacompiler" />
   </component>
   <component name="RunManager">
-    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
-      <module name="" />
-      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
-      <option name="PROGRAM_PARAMETERS" />
-      <predefined_log_file id="idea.log" enabled="true" />
-      <method />
-    </configuration>
-    <configuration default="true" type="AndroidRunConfigurationType" factoryName="Android App">
-      <module name="" />
-      <option name="DEPLOY" value="true" />
-      <option name="ARTIFACT_NAME" value="" />
-      <option name="PM_INSTALL_OPTIONS" value="" />
-      <option name="ACTIVITY_EXTRA_FLAGS" value="" />
-      <option name="MODE" value="default_activity" />
-      <option name="TARGET_SELECTION_MODE" value="SHOW_DIALOG" />
-      <option name="PREFERRED_AVD" value="" />
-      <option name="CLEAR_LOGCAT" value="false" />
-      <option name="SHOW_LOGCAT_AUTOMATICALLY" value="false" />
-      <option name="SKIP_NOOP_APK_INSTALLATIONS" value="true" />
-      <option name="FORCE_STOP_RUNNING_APP" value="true" />
-      <option name="DEBUGGER_TYPE" value="Java" />
-      <option name="USE_LAST_SELECTED_DEVICE" value="false" />
-      <option name="PREFERRED_AVD" value="" />
-      <Java />
-      <Profilers>
-        <option name="ENABLE_ADVANCED_PROFILING" value="true" />
-        <option name="GAPID_ENABLED" value="false" />
-        <option name="GAPID_DISABLE_PCS" value="false" />
-        <option name="SUPPORT_LIB_ENABLED" value="true" />
-        <option name="INSTRUMENTATION_ENABLED" value="true" />
-      </Profilers>
-      <option name="DEEP_LINK" value="" />
-      <option name="ACTIVITY_CLASS" value="" />
-      <method />
-    </configuration>
     <configuration default="true" type="AndroidTestRunConfigurationType" factoryName="Android Tests">
       <module name="" />
       <option name="TESTING_TYPE" value="0" />
@@ -301,94 +104,64 @@
       <module />
       <method />
     </configuration>
+    <configuration default="true" type="executeSpecs" factoryName="Gauge Execution">
+      <setting name="environment" value="" />
+      <setting name="specsToExecute" value="" />
+      <setting name="tags" value="" />
+      <setting name="parallelNodes" value="" />
+      <setting name="execInParallel" value="false" />
+      <setting name="programParameters" value="" />
+      <setting name="workingDirectory" value="" />
+      <setting name="moduleName" value="" />
+      <envMap />
+      <setting name="rowsRange" value="" />
+      <method />
+    </configuration>
     <configuration default="true" type="Application" factoryName="Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
-      <method />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="GradleRunConfiguration" factoryName="Gradle">
-      <ExternalSystemSettings>
-        <option name="executionName" />
-        <option name="externalProjectPath" />
-        <option name="externalSystemIdString" value="GRADLE" />
-        <option name="scriptParameters" />
-        <option name="taskDescriptions">
-          <list />
-        </option>
-        <option name="taskNames">
-          <list />
-        </option>
-        <option name="vmOptions" />
-      </ExternalSystemSettings>
-      <method />
+    <configuration name="SinglyLinkedListTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="singlylinkedlist" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.zipcodewilmington.singlylinkedlist.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
+      <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
+      <option name="TEST_OBJECT" value="class" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="JUnit" factoryName="JUnit">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
       <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
-      <method />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="JarApplication" factoryName="JAR Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="Java Scratch" factoryName="Java Scratch">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="SCRATCH_FILE_ID" value="0" />
-      <option name="MAIN_CLASS_NAME" />
+    <configuration default="true" type="KotlinStandaloneScriptRunConfigurationType">
+      <option name="filePath" />
+      <option name="vmParameters" />
+      <option name="alternativeJrePath" />
+      <option name="programParameters" />
+      <option name="passParentEnvs" value="true" />
+      <option name="workingDirectory" />
+      <option name="isAlternativeJrePathEnabled" value="false" />
       <option name="VM_PARAMETERS" />
       <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" />
       <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
       <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
       <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="JetRunConfigurationType" factoryName="Kotlin">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
       <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
       <option name="WORKING_DIRECTORY" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="CR-MesoLabs-Collections-SinglyLinkedList" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="KotlinStandaloneScriptRunConfigurationType" factoryName="Kotlin script">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
+      <module name="" />
       <option name="filePath" />
       <option name="vmParameters" />
       <option name="alternativeJrePath" />
@@ -396,62 +169,42 @@
       <option name="passParentEnvs" value="true" />
       <option name="workingDirectory" />
       <option name="isAlternativeJrePathEnabled" value="false" />
-      <envs />
-      <method />
-    </configuration>
-    <configuration default="true" type="Remote" factoryName="Remote">
-      <option name="USE_SOCKET_TRANSPORT" value="true" />
-      <option name="SERVER_MODE" value="false" />
-      <option name="SHMEM_ADDRESS" value="javadebug" />
-      <option name="HOST" value="localhost" />
-      <option name="PORT" value="5005" />
-      <method />
-    </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
+      <option name="VM_PARAMETERS" />
+      <option name="PROGRAM_PARAMETERS" />
       <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
       <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="SUITE_NAME" />
-      <option name="PACKAGE_NAME" />
+      <option name="PASS_PARENT_ENVS" value="true" />
       <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="GROUP_NAME" />
+      <option name="WORKING_DIRECTORY" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration default="true" type="TestNG">
       <option name="TEST_OBJECT" value="CLASS" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-      <option name="OUTPUT_DIRECTORY" />
-      <option name="ANNOTATION_TYPE" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <option name="USE_DEFAULT_REPORTERS" value="false" />
-      <option name="PROPERTIES_FILE" />
-      <envs />
       <properties />
       <listeners />
-      <method />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="executeSpecs" factoryName="Gauge Execution">
-      <setting name="environment" value="" />
-      <setting name="specsToExecute" value="" />
-      <setting name="tags" value="" />
-      <setting name="parallelNodes" value="" />
-      <setting name="execInParallel" value="false" />
-      <setting name="programParameters" value="" />
-      <setting name="workingDirectory" value="" />
-      <setting name="moduleName" value="" />
-      <envMap />
-      <setting name="rowsRange" value="" />
-      <method />
+    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType">
+      <module name="" />
+      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
+      <option name="PROGRAM_PARAMETERS" />
+      <predefined_log_file enabled="true" id="idea.log" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
+    <recent_temporary>
+      <list>
+        <item itemvalue="JUnit.SinglyLinkedListTest" />
+      </list>
+    </recent_temporary>
   </component>
-  <component name="ShelveChangesManager" show_recycled="false">
-    <option name="remove_strategy" value="false" />
-  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
   <component name="TaskManager">
     <task active="true" id="Default" summary="Default task">
       <changelist id="4f0c6f35-1ac5-49ea-b41e-20445c07c5c6" name="Default" comment="" />
@@ -462,104 +215,21 @@
     </task>
     <servers />
   </component>
-  <component name="ToolWindowManager">
-    <frame x="0" y="23" width="1920" height="1053" extended-state="6" />
-    <layout>
-      <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Nl-Palette" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
-      <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Properties" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.3298647" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.24973376" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
-      <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="UI Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
-      <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
-      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
-      <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
-      <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
-      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
-    </layout>
-  </component>
-  <component name="VcsContentAnnotationSettings">
-    <option name="myLimit" value="2678400000" />
-  </component>
-  <component name="XDebuggerManager">
-    <breakpoint-manager />
-    <watches-manager />
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
   </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/pom.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="SPLIT">
-          <first_editor relative-caret-position="0">
-            <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-            <folding />
-          </first_editor>
-          <second_editor />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/MainApplication.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="5" column="28" lean-forward="false" selection-start-line="5" selection-start-column="28" selection-end-line="5" selection-end-column="28" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="5" column="29" lean-forward="false" selection-start-line="5" selection-start-column="29" selection-end-line="5" selection-end-column="29" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="5" column="33" lean-forward="false" selection-start-line="5" selection-start-column="33" selection-end-line="5" selection-end-column="33" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/.gitignore">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="5" column="5" lean-forward="true" selection-start-line="5" selection-start-column="5" selection-end-line="5" selection-end-column="5" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
+  <component name="WindowStateProjectService">
+    <state x="339" y="183" key="refactoring.ChangeSignatureDialog" timestamp="1627435811316">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state x="339" y="183" key="refactoring.ChangeSignatureDialog/0.0.1280.800@0.0.1280.800" timestamp="1627435811316" />
   </component>
 </project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index ffa3f40..6bbb3a4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,6 +7,14 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>singlylinkedlist</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 
 
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java b/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
index 2fb3165..f18e206 100644
--- a/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
+++ b/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
@@ -1,7 +1,84 @@
 package com.zipcodewilmington.singlylinkedlist;
 
+import javax.xml.soap.Node;
+import java.util.List;
+
 /**
  * Created by leon on 1/10/18.
  */
 public class SinglyLinkedList {
+    Node head;
+
+    static class Node {
+        int data;
+        Node next;
+
+        Node(int data) {
+            this.data = data;
+            next = null;
+        }
+    }
+
+    public SinglyLinkedList add(int data) {
+        SinglyLinkedList list = new SinglyLinkedList();
+        Node newNode = new Node(data);
+        newNode.next = null;
+        if (list.head == null) {
+            list.head = newNode;
+        } else {
+            Node last = list.head;
+            while (last.next != null) {
+                last = last.next;
+            }
+            last.next = newNode;
+        }
+        return list;
+    }
+
+    public static SinglyLinkedList remove(int index) {
+        SinglyLinkedList list = new SinglyLinkedList();
+        Node current = list.head;
+        Node previous = null;
+
+        if (index == 0 && current != null) {
+            list.head = current.next;
+
+            return list;
+        }
+
+        int counter = 0;
+        while (current != null) {
+            if (counter == index) {
+                previous.next = current.next;
+
+                break;
+            } else {
+                previous = current;
+                current = current.next;
+                counter++;
+            }
+        }
+        if (current == null) {
+            System.out.println("not found");
+        }
+        return list;
+    }
+
+    public static Boolean contains(int key){
+        SinglyLinkedList list = new SinglyLinkedList();
+        Node current = list.head;
+        while(current != null && current.next != null){
+            if(current.data == key){
+                return true;
+
+            }
+        }
+
+
+return false;
+    }
+    public static int find(int index){
+
+        return -1;
+    }
 }
diff --git a/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java b/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
index 5cc057e..8999130 100644
--- a/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
+++ b/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
@@ -1,7 +1,43 @@
 package com.zipcodewilmington.singlylinkedlist;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 /**
  * Created by leon on 1/10/18.
  */
 public class SinglyLinkedListTest {
+    @Test
+    public void containsTest1(){
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        Boolean check = list.contains(2);
+
+        //then
+        Assert.assertTrue(check);
+    }
+    @Test
+    public void containsTest2(){
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        Boolean check = list.contains(6);
+
+        //then
+        Assert.assertFalse(check);
+    }
+
 }

From 3b88298510ddca1d42551f9b2f5958e622442efb Mon Sep 17 00:00:00 2001
From: Raymond <raymond@zipcoder.local>
Date: Wed, 28 Jul 2021 22:36:10 -0400
Subject: [PATCH 2/3] copy and sort left

---
 .idea/workspace.xml                           | 120 +++++++++++++++--
 .../singlylinkedlist/SinglyLinkedList.java    |  94 +++++++++-----
 .../SinglyLinkedListTest.java                 | 122 +++++++++++++++++-
 3 files changed, 290 insertions(+), 46 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 4403f6b..72552f0 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -23,13 +23,7 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="4f0c6f35-1ac5-49ea-b41e-20445c07c5c6" name="Default" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/jarRepositories.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__junit_junit_4_12.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/compiler.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/compiler.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java" afterDir="false" />
     </list>
@@ -68,7 +62,7 @@
     <property name="project.structure.side.proportion" value="0.2" />
     <property name="settings.editor.selected.configurable" value="reference.projectsettings.compiler.javacompiler" />
   </component>
-  <component name="RunManager">
+  <component name="RunManager" selected="JUnit.SinglyLinkedListTest.getTest1">
     <configuration default="true" type="AndroidTestRunConfigurationType" factoryName="Android Tests">
       <module name="" />
       <option name="TESTING_TYPE" value="0" />
@@ -123,7 +117,7 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SinglyLinkedListTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="SinglyLinkedListTest.findTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="singlylinkedlist" />
       <extension name="coverage">
         <pattern>
@@ -133,7 +127,76 @@
       </extension>
       <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
       <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
-      <option name="TEST_OBJECT" value="class" />
+      <option name="METHOD_NAME" value="findTest" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="SinglyLinkedListTest.findTest2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="singlylinkedlist" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.zipcodewilmington.singlylinkedlist.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
+      <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
+      <option name="METHOD_NAME" value="findTest2" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="SinglyLinkedListTest.getTest1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="singlylinkedlist" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.zipcodewilmington.singlylinkedlist.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
+      <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
+      <option name="METHOD_NAME" value="getTest1" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="SinglyLinkedListTest.remove" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="singlylinkedlist" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.zipcodewilmington.singlylinkedlist.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
+      <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
+      <option name="METHOD_NAME" value="remove" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="SinglyLinkedListTest.remove2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="singlylinkedlist" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.zipcodewilmington.singlylinkedlist.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
+      <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
+      <option name="METHOD_NAME" value="remove2" />
+      <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
       <method v="2">
         <option name="Make" enabled="true" />
@@ -200,7 +263,11 @@
     </configuration>
     <recent_temporary>
       <list>
-        <item itemvalue="JUnit.SinglyLinkedListTest" />
+        <item itemvalue="JUnit.SinglyLinkedListTest.getTest1" />
+        <item itemvalue="JUnit.SinglyLinkedListTest.findTest2" />
+        <item itemvalue="JUnit.SinglyLinkedListTest.findTest" />
+        <item itemvalue="JUnit.SinglyLinkedListTest.remove2" />
+        <item itemvalue="JUnit.SinglyLinkedListTest.remove" />
       </list>
     </recent_temporary>
   </component>
@@ -225,8 +292,41 @@
         </entry>
       </map>
     </option>
+    <option name="oldMeFiltersMigrated" value="true" />
   </component>
   <component name="WindowStateProjectService">
+    <state width="1238" height="212" key="GridCell.Tab.0.bottom" timestamp="1627525316859">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="212" key="GridCell.Tab.0.bottom/0.0.1280.800@0.0.1280.800" timestamp="1627525316859" />
+    <state width="1238" height="212" key="GridCell.Tab.0.center" timestamp="1627525316857">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="212" key="GridCell.Tab.0.center/0.0.1280.800@0.0.1280.800" timestamp="1627525316857" />
+    <state width="1238" height="212" key="GridCell.Tab.0.left" timestamp="1627525316856">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="212" key="GridCell.Tab.0.left/0.0.1280.800@0.0.1280.800" timestamp="1627525316856" />
+    <state width="1238" height="212" key="GridCell.Tab.0.right" timestamp="1627525316858">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="212" key="GridCell.Tab.0.right/0.0.1280.800@0.0.1280.800" timestamp="1627525316858" />
+    <state width="1238" height="264" key="GridCell.Tab.1.bottom" timestamp="1627522289805">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="264" key="GridCell.Tab.1.bottom/0.0.1280.800@0.0.1280.800" timestamp="1627522289805" />
+    <state width="1238" height="264" key="GridCell.Tab.1.center" timestamp="1627522289803">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="264" key="GridCell.Tab.1.center/0.0.1280.800@0.0.1280.800" timestamp="1627522289803" />
+    <state width="1238" height="264" key="GridCell.Tab.1.left" timestamp="1627522289802">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="264" key="GridCell.Tab.1.left/0.0.1280.800@0.0.1280.800" timestamp="1627522289802" />
+    <state width="1238" height="264" key="GridCell.Tab.1.right" timestamp="1627522289804">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state width="1238" height="264" key="GridCell.Tab.1.right/0.0.1280.800@0.0.1280.800" timestamp="1627522289804" />
     <state x="339" y="183" key="refactoring.ChangeSignatureDialog" timestamp="1627435811316">
       <screen x="0" y="0" width="1280" height="800" />
     </state>
diff --git a/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java b/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
index f18e206..a1c3dd3 100644
--- a/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
+++ b/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
@@ -7,43 +7,40 @@
  * Created by leon on 1/10/18.
  */
 public class SinglyLinkedList {
-    Node head;
 
-    static class Node {
-        int data;
+
+
+
+    class Node {
+        Object data;
         Node next;
 
-        Node(int data) {
+        public Node(Object data) {
             this.data = data;
             next = null;
         }
+
     }
+    public Node head;
+     public Node tail;
 
-    public SinglyLinkedList add(int data) {
-        SinglyLinkedList list = new SinglyLinkedList();
+    public void  add(Object data) {
         Node newNode = new Node(data);
-        newNode.next = null;
-        if (list.head == null) {
-            list.head = newNode;
+        if (this.head == null) {
+            this.head = newNode;
         } else {
-            Node last = list.head;
-            while (last.next != null) {
-                last = last.next;
-            }
-            last.next = newNode;
+            tail.next = newNode;
         }
-        return list;
+        tail = newNode;
+
     }
 
-    public static SinglyLinkedList remove(int index) {
-        SinglyLinkedList list = new SinglyLinkedList();
-        Node current = list.head;
+    public void  remove(int index) {
+        Node current = this.head;
         Node previous = null;
 
-        if (index == 0 && current != null) {
-            list.head = current.next;
-
-            return list;
+        if (index == 0 && current != null) { //this removes the head value
+            this.head = current.next;
         }
 
         int counter = 0;
@@ -53,7 +50,7 @@ public static SinglyLinkedList remove(int index) {
 
                 break;
             } else {
-                previous = current;
+                previous = current; //[head] -> [current] -> [current.next] -> []
                 current = current.next;
                 counter++;
             }
@@ -61,24 +58,57 @@ public static SinglyLinkedList remove(int index) {
         if (current == null) {
             System.out.println("not found");
         }
-        return list;
     }
 
-    public static Boolean contains(int key){
-        SinglyLinkedList list = new SinglyLinkedList();
-        Node current = list.head;
-        while(current != null && current.next != null){
-            if(current.data == key){
-                return true;
+    public Boolean contains(Object key){
+        Node current = this.head;
+            while(current != null){
+                if(current.data == key) {
+                    return true;
+                }
+                    current = current.next;
 
             }
+            return false;
+    }
+    public int size() {
+        int counter = 0;
+        Node current = head;
+        while(current != null){
+            counter++;
+            current = current.next;
         }
+        return counter;
 
+    }
+    public Integer find(int data) { // [head] -> [current] -> [current.next] -> []
+        Node current = this.head;
+        int index = 0;
+        while(current!= null){
+            if(current.data.equals(data)){
+                return index;
 
-return false;
+            }
+            index++;
+            current = current.next;
+        }
+
+
+        return -1;
     }
-    public static int find(int index){
+
+    public Object get(int index) {
+        Node current = this.head;
+        int seek = 0;
+        while (current != null){
+            if(seek == index) {
+                return current.data;
+            }
+            seek++;
+            current = current.next;
+        }
 
         return -1;
     }
+
 }
diff --git a/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java b/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
index 8999130..b9e2bda 100644
--- a/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
+++ b/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
@@ -8,7 +8,27 @@
  */
 public class SinglyLinkedListTest {
     @Test
-    public void containsTest1(){
+    public void addTest() {
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+
+        //when
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        int actual = list.size();
+        int expected = 5;
+
+        //then
+        Assert.assertEquals(expected, actual);
+
+    }
+
+    @Test
+    public void containsTest1() {
         //given
         SinglyLinkedList list = new SinglyLinkedList();
         list.add(1);
@@ -18,13 +38,15 @@ public void containsTest1(){
         list.add(5);
 
         //when
-        Boolean check = list.contains(2);
+        Boolean expected = true;
+        Boolean actual = list.contains(2);
 
         //then
-        Assert.assertTrue(check);
+        Assert.assertEquals(expected, actual);
     }
+
     @Test
-    public void containsTest2(){
+    public void containsTest2() {
         //given
         SinglyLinkedList list = new SinglyLinkedList();
         list.add(1);
@@ -40,4 +62,96 @@ public void containsTest2(){
         Assert.assertFalse(check);
     }
 
+    @Test
+    public void remove1() {
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        list.remove(2);
+        int expected = list.size();
+        int actual = 4;
+
+        //then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void remove2() {
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        list.remove(1);
+        list.remove(2);
+
+        int expected = list.size();
+        int actual = 3;
+
+        //then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void findTest1() {
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        int expected = list.find(2);
+        int actual = 1;
+
+        //then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void findTest2() {
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        int expected = list.find(6);
+        int actual = -1;
+
+        //then
+        Assert.assertEquals(expected, actual);
+    }
+    @Test
+    public void getTest1(){
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(8);
+        list.add(4);
+        list.add(5);
+
+        //when
+        Object expected = list.get(2);
+        Object actual = 8;
+
+        //then
+        Assert.assertEquals(expected,actual);
+    }
 }

From 0e2e3e8f09b2f6517f511577f61c8526576f0982 Mon Sep 17 00:00:00 2001
From: Raymond <raymond@zipcoder.local>
Date: Thu, 29 Jul 2021 00:17:13 -0400
Subject: [PATCH 3/3] finito

---
 .idea/workspace.xml                           | 46 +++++++------
 .../singlylinkedlist/SinglyLinkedList.java    | 67 ++++++++++++++-----
 .../SinglyLinkedListTest.java                 | 39 +++++++++++
 3 files changed, 114 insertions(+), 38 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 72552f0..623ab77 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -62,7 +62,7 @@
     <property name="project.structure.side.proportion" value="0.2" />
     <property name="settings.editor.selected.configurable" value="reference.projectsettings.compiler.javacompiler" />
   </component>
-  <component name="RunManager" selected="JUnit.SinglyLinkedListTest.getTest1">
+  <component name="RunManager" selected="JUnit.SinglyLinkedListTest.sort">
     <configuration default="true" type="AndroidTestRunConfigurationType" factoryName="Android Tests">
       <module name="" />
       <option name="TESTING_TYPE" value="0" />
@@ -117,7 +117,7 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SinglyLinkedListTest.findTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="SinglyLinkedListTest.copyTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="singlylinkedlist" />
       <extension name="coverage">
         <pattern>
@@ -127,14 +127,14 @@
       </extension>
       <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
       <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
-      <option name="METHOD_NAME" value="findTest" />
+      <option name="METHOD_NAME" value="copyTest" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SinglyLinkedListTest.findTest2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="SinglyLinkedListTest.findTest" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="singlylinkedlist" />
       <extension name="coverage">
         <pattern>
@@ -144,14 +144,14 @@
       </extension>
       <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
       <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
-      <option name="METHOD_NAME" value="findTest2" />
+      <option name="METHOD_NAME" value="findTest" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SinglyLinkedListTest.getTest1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="SinglyLinkedListTest.findTest2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="singlylinkedlist" />
       <extension name="coverage">
         <pattern>
@@ -161,14 +161,14 @@
       </extension>
       <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
       <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
-      <option name="METHOD_NAME" value="getTest1" />
+      <option name="METHOD_NAME" value="findTest2" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SinglyLinkedListTest.remove" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="SinglyLinkedListTest.getTest1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="singlylinkedlist" />
       <extension name="coverage">
         <pattern>
@@ -178,14 +178,14 @@
       </extension>
       <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
       <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
-      <option name="METHOD_NAME" value="remove" />
+      <option name="METHOD_NAME" value="getTest1" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
       <method v="2">
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="SinglyLinkedListTest.remove2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="SinglyLinkedListTest.sort" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="singlylinkedlist" />
       <extension name="coverage">
         <pattern>
@@ -195,7 +195,7 @@
       </extension>
       <option name="PACKAGE_NAME" value="com.zipcodewilmington.singlylinkedlist" />
       <option name="MAIN_CLASS_NAME" value="com.zipcodewilmington.singlylinkedlist.SinglyLinkedListTest" />
-      <option name="METHOD_NAME" value="remove2" />
+      <option name="METHOD_NAME" value="sort" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
       <method v="2">
@@ -263,11 +263,11 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="JUnit.SinglyLinkedListTest.sort" />
+        <item itemvalue="JUnit.SinglyLinkedListTest.copyTest" />
         <item itemvalue="JUnit.SinglyLinkedListTest.getTest1" />
         <item itemvalue="JUnit.SinglyLinkedListTest.findTest2" />
         <item itemvalue="JUnit.SinglyLinkedListTest.findTest" />
-        <item itemvalue="JUnit.SinglyLinkedListTest.remove2" />
-        <item itemvalue="JUnit.SinglyLinkedListTest.remove" />
       </list>
     </recent_temporary>
   </component>
@@ -295,22 +295,26 @@
     <option name="oldMeFiltersMigrated" value="true" />
   </component>
   <component name="WindowStateProjectService">
-    <state width="1238" height="212" key="GridCell.Tab.0.bottom" timestamp="1627525316859">
+    <state x="453" y="120" key="#com.intellij.ide.util.MemberChooser" timestamp="1627526656455">
+      <screen x="0" y="0" width="1280" height="800" />
+    </state>
+    <state x="453" y="120" key="#com.intellij.ide.util.MemberChooser/0.0.1280.800@0.0.1280.800" timestamp="1627526656455" />
+    <state width="1238" height="212" key="GridCell.Tab.0.bottom" timestamp="1627530929698">
       <screen x="0" y="0" width="1280" height="800" />
     </state>
-    <state width="1238" height="212" key="GridCell.Tab.0.bottom/0.0.1280.800@0.0.1280.800" timestamp="1627525316859" />
-    <state width="1238" height="212" key="GridCell.Tab.0.center" timestamp="1627525316857">
+    <state width="1238" height="212" key="GridCell.Tab.0.bottom/0.0.1280.800@0.0.1280.800" timestamp="1627530929698" />
+    <state width="1238" height="212" key="GridCell.Tab.0.center" timestamp="1627530929697">
       <screen x="0" y="0" width="1280" height="800" />
     </state>
-    <state width="1238" height="212" key="GridCell.Tab.0.center/0.0.1280.800@0.0.1280.800" timestamp="1627525316857" />
-    <state width="1238" height="212" key="GridCell.Tab.0.left" timestamp="1627525316856">
+    <state width="1238" height="212" key="GridCell.Tab.0.center/0.0.1280.800@0.0.1280.800" timestamp="1627530929697" />
+    <state width="1238" height="212" key="GridCell.Tab.0.left" timestamp="1627530929696">
       <screen x="0" y="0" width="1280" height="800" />
     </state>
-    <state width="1238" height="212" key="GridCell.Tab.0.left/0.0.1280.800@0.0.1280.800" timestamp="1627525316856" />
-    <state width="1238" height="212" key="GridCell.Tab.0.right" timestamp="1627525316858">
+    <state width="1238" height="212" key="GridCell.Tab.0.left/0.0.1280.800@0.0.1280.800" timestamp="1627530929696" />
+    <state width="1238" height="212" key="GridCell.Tab.0.right" timestamp="1627530929697">
       <screen x="0" y="0" width="1280" height="800" />
     </state>
-    <state width="1238" height="212" key="GridCell.Tab.0.right/0.0.1280.800@0.0.1280.800" timestamp="1627525316858" />
+    <state width="1238" height="212" key="GridCell.Tab.0.right/0.0.1280.800@0.0.1280.800" timestamp="1627530929697" />
     <state width="1238" height="264" key="GridCell.Tab.1.bottom" timestamp="1627522289805">
       <screen x="0" y="0" width="1280" height="800" />
     </state>
diff --git a/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java b/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
index a1c3dd3..954664b 100644
--- a/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
+++ b/src/main/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedList.java
@@ -1,14 +1,19 @@
 package com.zipcodewilmington.singlylinkedlist;
 
 import javax.xml.soap.Node;
+import java.util.Iterator;
 import java.util.List;
 
 /**
  * Created by leon on 1/10/18.
  */
-public class SinglyLinkedList {
+public class SinglyLinkedList<SomeType> implements Iterable<SomeType> {
 
 
+    public Iterator<SomeType> iterator() {
+        return null;
+    }
+
 
 
     class Node {
@@ -21,10 +26,11 @@ public Node(Object data) {
         }
 
     }
+
     public Node head;
-     public Node tail;
+    public Node tail;
 
-    public void  add(Object data) {
+    public void add(Object data) {
         Node newNode = new Node(data);
         if (this.head == null) {
             this.head = newNode;
@@ -35,7 +41,7 @@ public void  add(Object data) {
 
     }
 
-    public void  remove(int index) {
+    public void remove(int index) {
         Node current = this.head;
         Node previous = null;
 
@@ -60,32 +66,34 @@ public void  remove(int index) {
         }
     }
 
-    public Boolean contains(Object key){
+    public Boolean contains(Object key) {
         Node current = this.head;
-            while(current != null){
-                if(current.data == key) {
-                    return true;
-                }
-                    current = current.next;
-
+        while (current != null) {
+            if (current.data == key) {
+                return true;
             }
-            return false;
+            current = current.next;
+
+        }
+        return false;
     }
+
     public int size() {
         int counter = 0;
         Node current = head;
-        while(current != null){
+        while (current != null) {
             counter++;
             current = current.next;
         }
         return counter;
 
     }
+
     public Integer find(int data) { // [head] -> [current] -> [current.next] -> []
         Node current = this.head;
         int index = 0;
-        while(current!= null){
-            if(current.data.equals(data)){
+        while (current != null) {
+            if (current.data.equals(data)) {
                 return index;
 
             }
@@ -100,8 +108,8 @@ public Integer find(int data) { // [head] -> [current] -> [current.next] -> []
     public Object get(int index) {
         Node current = this.head;
         int seek = 0;
-        while (current != null){
-            if(seek == index) {
+        while (current != null) {
+            if (seek == index) {
                 return current.data;
             }
             seek++;
@@ -111,4 +119,29 @@ public Object get(int index) {
         return -1;
     }
 
+    public SinglyLinkedList copy() {
+        SinglyLinkedList copiedList = new SinglyLinkedList();
+        Node current = this.head;
+       while(current != null){
+            copiedList.add(current.data);
+            current = current.next;
+        }
+
+        return copiedList;
+    }
+    public void sort() {
+        Node current = this.head;
+        for(int i = 0; i < size(); i++){
+            while(current.next != null){
+                Node next = current.next;
+                if((Integer)current.data > (Integer) next.data){
+                    Object temp = current.data;
+                    current.data = next.data;
+                    next.data = temp;
+                }
+                current = current.next;
+            }
+        }
+    }
+
 }
diff --git a/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java b/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
index b9e2bda..589a69b 100644
--- a/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
+++ b/src/test/java/com/zipcodewilmington/singlylinkedlist/SinglyLinkedListTest.java
@@ -154,4 +154,43 @@ public void getTest1(){
         //then
         Assert.assertEquals(expected,actual);
     }
+    @Test
+    public void copyTest(){
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(1);
+        list.add(2);
+        list.add(3);
+        list.add(4);
+        list.add(5);
+
+        //when
+        SinglyLinkedList newList = list.copy();
+        Integer expected = list.size();
+        Integer actual = newList.size();
+
+
+        //then
+        Assert.assertEquals(expected,actual);
+    }
+    @Test
+    public void sort(){
+        //given
+        SinglyLinkedList list = new SinglyLinkedList();
+        list.add(3);
+        list.add(1);
+        list.add(2);
+        list.add(5);
+        list.add(4);
+
+        //when
+        list.sort();
+
+        //then
+        Assert.assertTrue(list.find(1) == 0);
+        Assert.assertTrue(list.find(2) == 1);
+        Assert.assertTrue(list.find(3) == 2);
+        Assert.assertTrue(list.find(4) == 3);
+        Assert.assertTrue(list.find(5) == 4);
+    }
 }