코딩테스트연습 - 직사각형 별찍기

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        
        for(int i=0;i<b;i++){
            for(int j=0;j<a;j++) {
                System.out.print("*");
            }
            System.out.println("");
        }
    }
}