NxN Matrix

import java.util.Scanner;

public class NxN_Matrix {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int number = Integer.parseInt(scanner.nextLine());

        for (int i = 0; i < number; i++) {
            row(number);
        }
    }

    private static void row(int n) {
        for (int i = 0; i < n; i++) {
            System.out.print(n + " ");
        }
        System.out.println();
    }
}