Answer to Question #322568 in Java | JSP | JSF for Nhm

Question

Write a Java program to do the following

a) Read two-dimensional array (3 x3)

b) Find the diagonal elements of the array 

Answer 1

import java.util.Scanner;

public class Main {

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

        int[][] arr = {{1, 2, 3}, {1, 2, 3}, {1, 2, 3}};

        for(int i = 0; i < 3; i++)
            System.out.print(arr[i][i] + " ");

        System.out.println("");
        int j = 0;

        for(int i = 2; i >= 0; i--){
            System.out.print(arr[j++][i] + " ");
        }
    }
}