프로그래머스 java 문자열 돌리기

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        
        int b = a.length();
        
        for(int i=0;i<b;i++){
            char c = a.charAt(i);
            System.out.println(c);
        }
    }
}

 

 

1. length()

2. char

3. charAt()