Swpark: Created page with "=== if 문 === public class IfExample { public static void main(String[] args) { int score = 93; //----------------------------------------- // if 문 //----------------------------------------- if (score >= 90) { System.out.println("A"); } if (score < 90) { System.out.println("B"); } //----------------------------------------- //..."

2022-07-20T05:31:08Z

Created page with "=== if 문 === <syntaxhighlight lang="java"> public class IfExample { public static void main(String[] args) { int score = 93; //----------------------------------------- // if 문 //----------------------------------------- if (score >= 90) { System.out.println("A"); } if (score < 90) { System.out.println("B"); } //----------------------------------------- //..."

New page

=== if 문 ===
<syntaxhighlight lang="java">
public class IfExample {
public static void main(String[] args) {
int score = 93;

//-----------------------------------------
// if 문
//-----------------------------------------

if (score >= 90) {
System.out.println("A");
}

if (score < 90) {
System.out.println("B");
}

//-----------------------------------------
// if-else 문
//-----------------------------------------

if (score >= 90) {
System.out.println("A");
} else {
System.out.println("B");
}

//-----------------------------------------
// if-else if-else 문
//-----------------------------------------

if (score >= 90) {
System.out.println("A");
} else if (score >= 80) {
System.out.println("B");
} else if (score >= 70) {
System.out.println("C");
} else if (score >= 60) {
System.out.println("D");
} else {
System.out.println("F");
}

//-----------------------------------------
// 중첩 if 문
//-----------------------------------------

if (score >= 90) {
if (score >= 95) {
System.out.println("A+");
} else {
System.out.println("A0");
}
} else {
if (score >= 85) {
System.out.println("B+");
} else {
System.out.println("B0");
}
}
}
}
</syntaxhighlight>

=== switch 문 ===
<syntaxhighlight lang="java">
public class SwitchExample {
public static void main(String[] args) {
int num = (int) (Math.random() * 10); // 0 ~ 9

switch(num) {
case 1 :
System.out.println("1");
break;
case 2 :
System.out.println("2");
break;
case 3 :
System.out.println("3");
case 4 :
System.out.println("4");
break;
case 5 :
case 6 :
case 7 :
System.out.println("789");
break;
default :
System.out.println("OOPS");
break; // break가 필요한가?
}

//----------------------------
// 문자
//----------------------------

char grade = (char)('A' + num);

switch(grade) {
case 'A' :
System.out.println("A");
break;
case 'B' :
System.out.println("B");
break;
case 'C' :
System.out.println("C");
break;
case 'D' :
System.out.println("D");
break;
default:
System.out.println("F");
break;
}

//----------------------------
// String (JDK 7부터)
//----------------------------

String str = "과장";

switch(str) {
case "부장" :
System.out.println("700만원");
break;
case "과장" :
System.out.println("500만원");
break;
default:
System.out.println("300만원");
}
}
}

</syntaxhighlight>

컴퓨터프로그래밍및실습 (2022년)/조건문 - Revision history