Java

Download and complete Unit8Lab1.java. Instructions are provided in the file. The method header for sum is already provided, you will have to write the headers for rowSum and colSum

A complete sample run of your program should look like this:

Here is your matrix:

1 2 3 4

5 6 7 8

9 10 11 12

Sum of all elements: 78

Which row would you like to sum? 0

The sum of row 0 is 10

Which column would you like to sum? 2

The sum of column 2 is 21

Please use this

import java.util.*; public class Unit8Lab1{ public static void main(String[] args){ int[][] nums = {{1,2,3,4},{5,6,7,8},{9,10,11,12}}; System.out.println("Here is your matrix:"); display2DArray(nums); System.out.println("Sum of all elements:"); int totalSum = sum(nums); //Display totalSum //Ask the user which row they would like to sum, then display the results //Ask the user which column they would like to sum, then display the results } public static void display2DArray(int[][] theNums){ for(int r=0; r