[알고리즘문제풀기] 문자열 돌리기

문제

내가 작성한 정답

import java.util.Scanner;

class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        for(char c : a.toCharArray()){
            System.out.println(c);
        }
    }
}

import java.util.Scanner;

class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        for(String s : a.split("")){
            System.out.println(s);
        }
    }
}

다른 사람들의 정답

import java.util.Scanner;

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