+
+
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/TEST-chap02.PasswordStrengthMeterTest.xml" "b/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/TEST-chap02.PasswordStrengthMeterTest.xml"
new file mode 100644
index 0000000..b95b327
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/TEST-chap02.PasswordStrengthMeterTest.xml"
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/binary/output.bin" "b/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/binary/output.bin"
new file mode 100644
index 0000000..e69de29
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/binary/output.bin.idx" "b/\355\225\234\352\267\234\353\262\224/chap02/build/test-results/test/binary/output.bin.idx"
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index 0000000..83f7ce0
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diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/build/tmp/compileJava/previous-compilation-data.bin" "b/\355\225\234\352\267\234\353\262\224/chap02/build/tmp/compileJava/previous-compilation-data.bin"
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diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/build/tmp/compileTestJava/previous-compilation-data.bin" "b/\355\225\234\352\267\234\353\262\224/chap02/build/tmp/compileTestJava/previous-compilation-data.bin"
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diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/gradle/wrapper/gradle-wrapper.jar" "b/\355\225\234\352\267\234\353\262\224/chap02/gradle/wrapper/gradle-wrapper.jar"
new file mode 100644
index 0000000..7454180
Binary files /dev/null and "b/\355\225\234\352\267\234\353\262\224/chap02/gradle/wrapper/gradle-wrapper.jar" differ
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/gradle/wrapper/gradle-wrapper.properties" "b/\355\225\234\352\267\234\353\262\224/chap02/gradle/wrapper/gradle-wrapper.properties"
new file mode 100644
index 0000000..69a9715
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/gradle/wrapper/gradle-wrapper.properties"
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/gradlew" "b/\355\225\234\352\267\234\353\262\224/chap02/gradlew"
new file mode 100755
index 0000000..744e882
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/gradlew"
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MSYS* | MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=`expr $i + 1`
+ done
+ case $i in
+ 0) set -- ;;
+ 1) set -- "$args0" ;;
+ 2) set -- "$args0" "$args1" ;;
+ 3) set -- "$args0" "$args1" "$args2" ;;
+ 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/gradlew.bat" "b/\355\225\234\352\267\234\353\262\224/chap02/gradlew.bat"
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/gradlew.bat"
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/settings.gradle" "b/\355\225\234\352\267\234\353\262\224/chap02/settings.gradle"
new file mode 100644
index 0000000..7da4b3f
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/settings.gradle"
@@ -0,0 +1,2 @@
+rootProject.name = 'chap02'
+
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/Calculator.java" "b/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/Calculator.java"
new file mode 100644
index 0000000..48c7e0c
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/Calculator.java"
@@ -0,0 +1,7 @@
+package chap02;
+
+public class Calculator {
+ public static int plus(int a1, int a2){
+ return a1+a2;
+ }
+}
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/PasswordStrength.java" "b/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/PasswordStrength.java"
new file mode 100644
index 0000000..a5423ae
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/PasswordStrength.java"
@@ -0,0 +1,5 @@
+package chap02;
+
+public enum PasswordStrength {
+ INVALID,WEAK,NORMAL,STRONG
+}
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/PasswordStrengthMeter.java" "b/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/PasswordStrengthMeter.java"
new file mode 100644
index 0000000..421d788
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/src/main/java/chap02/PasswordStrengthMeter.java"
@@ -0,0 +1,40 @@
+package chap02;
+
+public class PasswordStrengthMeter {
+ public PasswordStrength meter(String s) {
+ if (s == null || s.isEmpty()) return PasswordStrength.INVALID;
+ int metCounts = getMetCriteriaCounts(s);
+
+ if (metCounts <= 1) return PasswordStrength.WEAK;
+ if (metCounts == 2) return PasswordStrength.NORMAL;
+
+ return PasswordStrength.STRONG;
+ }
+
+ private int getMetCriteriaCounts(String s) {
+ int metCounts = 0;
+ if (s.length() >= 8) metCounts++;
+ if (meetsContainingNumberCriteria(s)) metCounts++;
+ if (meetsContainingUppercaseCriteria(s)) metCounts++;
+ return metCounts;
+ }
+
+
+ private boolean meetsContainingUppercaseCriteria(String s) {
+ for (char ch : s.toCharArray()){
+ if (Character.isUpperCase(ch)){
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private boolean meetsContainingNumberCriteria(String s) {
+ for (char ch : s.toCharArray()){
+ if(ch >= '0' && ch <= '9'){
+ return true;
+ }
+ }
+ return false;
+ }
+}
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/src/test/java/chap02/CalculatorTest.java" "b/\355\225\234\352\267\234\353\262\224/chap02/src/test/java/chap02/CalculatorTest.java"
new file mode 100644
index 0000000..a63cf3d
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/src/test/java/chap02/CalculatorTest.java"
@@ -0,0 +1,15 @@
+package chap02;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class CalculatorTest {
+
+ @Test
+ void plus(){
+ int result = Calculator.plus(1,2);
+ assertEquals(3,result);
+ assertEquals(5,Calculator.plus(4,1));
+ }
+}
diff --git "a/\355\225\234\352\267\234\353\262\224/chap02/src/test/java/chap02/PasswordStrengthMeterTest.java" "b/\355\225\234\352\267\234\353\262\224/chap02/src/test/java/chap02/PasswordStrengthMeterTest.java"
new file mode 100644
index 0000000..223f182
--- /dev/null
+++ "b/\355\225\234\352\267\234\353\262\224/chap02/src/test/java/chap02/PasswordStrengthMeterTest.java"
@@ -0,0 +1,69 @@
+package chap02;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PasswordStrengthMeterTest {
+
+ private PasswordStrengthMeter meter = new PasswordStrengthMeter();
+
+ private void assertStrength(String password, PasswordStrength expStr){
+ PasswordStrength result = this.meter.meter(password);
+ assertEquals(expStr,result);
+ }
+
+ @Test
+ void meetsAllCriteria_Then_Strong(){
+ assertStrength("ab12!@AB",PasswordStrength.STRONG);
+ assertStrength("abc1!Add",PasswordStrength.STRONG);
+ }
+
+ @Test
+ void meetsOtherCriteria_except_for_Length_Then_Normal(){
+ assertStrength("ab12!@A",PasswordStrength.NORMAL);
+ assertStrength("Ab12!c",PasswordStrength.NORMAL);
+ }
+
+ @Test
+ void meetsOtherCriteria_except_for_number_The_Normal(){
+ assertStrength("ab!@ABqwer",PasswordStrength.NORMAL);
+ }
+
+ @Test
+ void nullInput_Then_Invalid(){
+ assertStrength(null,PasswordStrength.INVALID);
+ }
+
+ @Test
+ void emptyInput_Then_Invalid(){
+ assertStrength("",PasswordStrength.INVALID);
+ }
+
+ @Test
+ void meetsOtherCriteria_except_for_Uppercase_Then_Normal(){
+ assertStrength("ab12!@df",PasswordStrength.NORMAL);
+ }
+
+ @Test
+ void meetsOnlyLengthCriteria_Then_Weak(){
+ assertStrength("abdefghi",PasswordStrength.WEAK);
+ }
+
+ @Test
+ void meetsOnlyNumCriteria_Then_Weak(){
+ assertStrength("12345",PasswordStrength.WEAK);
+ }
+
+ @Test
+ void meetsOnlyUpperCriteria_Then_Weak(){
+ assertStrength("ABZEF", PasswordStrength.WEAK);
+ }
+
+ @Test
+ void meetsNoCriteria_Then_Weak(){
+ assertStrength("abc",PasswordStrength.WEAK);
+ }
+
+}