I have the code bellow , which is for subtracting the 3D matrix from 2D.
import java.util.*;
class test28{
public static void main ( String[] args ) {
int [][][] arr1 = {{{6,3,9,0},{8,6,5,3},{5, 4, 6, 7}}};
int [][] arr2= {{6,3,5,0},{8,6,5,3}};
test28 test = new test28()...