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[399일차] 최한이 / 대소문자 바꿔서 출력하기 #4746

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[399일차] 최한이 / 대소문자 바꿔서 출력하기 #4746

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20 changes: 20 additions & 0 deletions 4st/Hani/programmer/대소문자 바꿔서 출력하기.java
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import java.util.Scanner;

public class Solution {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String str = sc.next();
String answer = "";

for (int i = 0; i < str.length(); i++) {
if (Character.isUpperCase(str.charAt(i))) {
answer += Character.toLowerCase(str.charAt(i));
}
else if (Character.isLowerCase(str.charAt(i))) {
answer += Character.toUpperCase(str.charAt(i));
}
}

System.out.println(answer);
}
}