Exercise : Max Value 3 points Write a method that returns the maximum value found in a 2D array. M 1 public static int max(int[][] arr) 2.{ 3 4 } FILES Unit Test Scratchpad.java iii 1- /* This is the Scratchpad! 2 This file is not graded, but you can use it to test your FILES 3 4 5 Unit Test Scratchpad.java You can write and test your method in the Scratchpad, bu sure to copy and paste it into the Unit Test file before 6 your answer. Remember to only copy and paste the method 7 to submit, not all of your tests. 8 */ 9 10 public class Scratchpad { public static void main(String[] args) 13- { 14 // Add your own tests here 15 } 16 17 // Copy and paste your Unit Test method here 18 ] 19 11- 12