코드의 나라에서의 일상

class Solution { public String solution(String my_string, String overwrite_string, int s) { char[] charArray1 = my_string.toCharArray(); char[] charArray2 = overwrite_string.toCharArray(); int length1 = my_string.length(); int length2 = overwrite_string.length(); StringBuilder sb = new StringBuilder(my_string); sb.replace(s, s + overwrite_string.length(), overwrite_string); return sb.toString();..

import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String a = sc.next(); int length = a.length(); char[] charArray = a.toCharArray(); //문자열을 문자 배열로 변환하여 charArray에 저장 int i = 0; for(i = 0; i < length; i++){ System.out.println(charArray[i]); } } }

\ 역슬래시를 넣는다. 출력예시 !@#$%^&*(\'"?:; 코드 import java.util.Scanner; public class Solution { public static void main(String[] args) { System.out.println("!@#$%^&*(\\\'\"?:;"); } }

import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str = sc.next(); String result = ""; for(char x : str.toCharArray()) { if(Character.isLowerCase(x)) { result += Character.toUpperCase(x); } else { result += Character.toLowerCase(x); } } System.out.println(result); } }