diff --git a/src/.idea/.gitignore b/src/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/src/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/src/.idea/misc.xml b/src/.idea/misc.xml
new file mode 100644
index 0000000..6f29fee
--- /dev/null
+++ b/src/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/.idea/modules.xml b/src/.idea/modules.xml
new file mode 100644
index 0000000..31eaf94
--- /dev/null
+++ b/src/.idea/modules.xml
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/.idea/vcs.xml b/src/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/src/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/com/ohgiraffers/chap01/section01/literal/Application01.java b/src/main/java/com/ohgiraffers/chap01/section01/literal/Application01.java
index f1c5726..dbf4b6a 100644
--- a/src/main/java/com/ohgiraffers/chap01/section01/literal/Application01.java
+++ b/src/main/java/com/ohgiraffers/chap01/section01/literal/Application01.java
@@ -4,5 +4,13 @@ public class Application01 {
public static void main(String[] args){
// 즐거운 자바를 화면에 출력해주세요
// 출력예시) 즐거운 자바
+
+ String str1 = "즐거운";
+ String str2 = "자바";
+
+
+ System.out.println(str1 + " " + str2);
+
+
}
}
diff --git a/src/main/java/com/ohgiraffers/chap01/section02/variable/Application01.java b/src/main/java/com/ohgiraffers/chap01/section02/variable/Application01.java
index 24b2bfb..711b841 100644
--- a/src/main/java/com/ohgiraffers/chap01/section02/variable/Application01.java
+++ b/src/main/java/com/ohgiraffers/chap01/section02/variable/Application01.java
@@ -4,6 +4,9 @@ public class Application01 {
public static void main(String[] args){
// point 변수에 10의 값을 할당하고 화면에 출력해주세요
// 출력 예시) 10
- System.out.println(10);
+
+ int point = 10;
+
+ System.out.println(point);
}
}
diff --git a/src/main/java/com/ohgiraffers/chap02/section01/arithmetic/Application01.java b/src/main/java/com/ohgiraffers/chap02/section01/arithmetic/Application01.java
index d49b865..b36e59d 100644
--- a/src/main/java/com/ohgiraffers/chap02/section01/arithmetic/Application01.java
+++ b/src/main/java/com/ohgiraffers/chap02/section01/arithmetic/Application01.java
@@ -2,26 +2,43 @@
public class Application01 {
+ public static void main(String[] args) {
+
+ int x = 700000;
+ int y = 80000;
+
+ Application01 app3 = new Application01();
+
+
+ System.out.println(app3.plus(x,y));
+ System.out.println(app3.minus(x,y));
+ System.out.println(app3.multiply(x,y));
+ System.out.println(app3.divide(x,y));
+
+ }
+
+
// x, y를 더하는 기능을 만들고 결과를 반환해주세요
- public int plus (int x , int y){
- return 0;
+ public int plus(int x , int y){
+ int result01 = x + y;
+ return result01;
}
// x,y를 빼는 기능을 만들고 결과를 반환해주세요
public int minus(int x, int y){
-
- return 0;
+ int result02 = x - y;
+ return result02;
}
// x,y를 곱하는 기능을 만들고 결과를 반환해주세요
public long multiply(int x, int y){
-
- return 0;
+ long result03 = (long)x * y;
+ return result03;
}
// x, y를 나누고 결과를 반환해주세요
public double divide(int x, int y){
-
- return 0.0;
+ double result04 = (double)x / y;
+ return result04;
}
}
diff --git a/src/main/java/com/ohgiraffers/chap02/section01/comparsion/Application01.java b/src/main/java/com/ohgiraffers/chap02/section01/comparsion/Application01.java
index 520f31e..7964e26 100644
--- a/src/main/java/com/ohgiraffers/chap02/section01/comparsion/Application01.java
+++ b/src/main/java/com/ohgiraffers/chap02/section01/comparsion/Application01.java
@@ -2,20 +2,35 @@
public class Application01 {
+ public static void main(String[] args) {
+ int x = 101;
+ int y = 201;
+
+ Application01 app1 = new Application01();
+ System.out.println(app1.valueCheck(x,y));
+ System.out.println(app1.maxNumberOf(x,y));
+ System.out.println(app1.rangeNum(x));
+ }
// 두 수의 값을 비교하여 같으면 true 다르면 false를 출력하는 프로그램을 작성해주세요
public boolean valueCheck(int x, int y){
+ return (x == y)? true : false;
- return true;
}
// 두 수의 값을 비교하여 큰 값을 반환하는 프로그램을 작성해주세요
// 만약 같다면 0의 값을 반환합니다.
public int maxNumberOf(int x, int y){
- return 0;
+ return (x==y)?0:(x>y)? x:y;
+
}
+
+
// int x의 값이 0 ~ 100 사이의 값이 맞다면 true 아니면 false를 출력하는 프로그램을 만들어주세요
public boolean rangeNum(int x){
- return false;
+
+ return (x >= 0 && x <= 100)? true : false;
}
+
+
}