Matrix_Print

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class NxN_Matrix {
    public static void main(String[] args) throws IOException {

        BufferedReader reader =
                new BufferedReader(
                        new InputStreamReader(System.in));

        System.out.print("Enter number:");
        int number = Integer.parseInt(reader.readLine());

        for (int i = 1; i <= number ; i++) {
            System.out.println(printMatrix(String.valueOf(number), number));
        }
    }

private static String printMatrix(String symbol, int number){
    String result = " ";
    for (int i = 1; i <= number ; i++) {
       result += number + " ";

    }
return result.trim();
    }
}