Modifying Elements in a 2D Array

import java.util.Arrays;
public class Modifying {
    public static void main(String[] args) {
        // Using the provided 2D array
      int[][] intMatrix = {
                {1, 1, 1, 1, 1},
                {2, 4, 6, 8, 0},
                {9, 8, 7, 6, 5}
        };

        // Replace the number 4 in the 2D array with the number 0
    intMatrix[1][1] = 0;
    System.out.println(Arrays.deepToString(intMatrix));

        // Declare and initialize a new empty 2x2 integer 2D array called subMatrix
    int[][] subMatrix = new int[2][2];

        // Using 4 lines of code, multiply each of the elements in the 2x2 top left corner of intMatrix by 5 and store the results in the subMatrix you created. Print subMatrix array.
    subMatrix[0][0] = intMatrix [0][0] * 5;
    subMatrix[0][1] = intMatrix [0][1] * 5;
    subMatrix[1][0] = intMatrix [1][0] * 5;
    subMatrix[1][1] = intMatrix [1][1] * 5;
    System.out.println(Arrays.deepToString(subMatrix));
    }
}