Answer to Question #256431 in Java | JSP | JSF for dee

Question

Given a number N, create a 2D arrays with n rows and n columns. Now inspect the matrix pattern below and come up with a formula to populate the array for any give NXN matrix.

Answer 1

import java.util.*;


public class Main
{
	public static void main(String[] args) {
	 Scanner scan = new Scanner(System.in);
 System.out.print("Enter a Number N: ");
 int n = scan.nextInt();
 for(int i = 0; i<n; i++)
 {
 int first_row = (n*(i+1));
 for(int j = 0; j< n; j++)
 {
 int value = first_row;
 


 if(value>9)
 {
 
 System.out.print(value+" ");
 }
 else{
 System.out.print(value+" ");
 }


 
first_row = first_row -(i+1);
 }
 System.out.println();
 }
	}
}