import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        int n = sc.nextInt();
    }
}

해결법

방법 1

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        int n = sc.nextInt();
        
        for (int i = 1; i <= n; i++) {
            System.out.print(str);
        }
    }
}

• 참고: Scanner 클래스

• str로 따로 합쳐주지 않아도 된다.

방법 2

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        int n = sc.nextInt();
        
        String answer = "";
        
        for (int i = 1; i <= n; i++) {
            answer += str;
        }
        
        System.out.println(answer);

    }
}

• str 를 따로 합쳐주려면 answer 선언해서 합쳐준다.

방법 3

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        int n = sc.nextInt();
        
        System.out.println(str.repeat(n));
    }
}

• repeat()

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