Unit 8 - 2D Array HW

public class TwoDArray {
    private int[][] array;

    // constructor to initialize values of array
    public TwoDArray(int[][] array) {
        this.array = array;
    }

    // reverse rows and print it out
    public void reverse() {
        System.out.println("Reversed: ");
        int[][] newArray = new int[this.array.length][this.array[0].length];
        for(int i = this.array.length-1; i >= 0; i--) {
            for(int j = 0; j<this.array[i].length; j++) {
                System.out.println(this.array[i][j] + " ");
            };
        };
        System.out.println(" ");
    }

    // get value at column
    public void getValue(int row, int column) {
        System.out.println("Value at (" + row + "," + column + "): " + this.array[row][column]); 
    }

    // add products of rows
    public void addProducts() {
        int sum = 0;

        for(int i = 0; i<this.array.length; i++) {
            int product = 1; 
            for(int j = 0; j<this.array[i].length; j++) {
                product *= array[i][j];
            }
            sum += product; 
        }

        System.out.println("Sum of products of rows: " + sum);
    }

    // tester method
    public static void main(String [] args) {
        int[][] newArray = {{0, 1}, {2, 3}};
        TwoDArray array = new TwoDArray(newArray);
        array.getValue(0,1);
        array.reverse();
        array.addProducts();
    }
}

TwoDArray.main(null);

Value at (0,1): 1
Reversed: 
2 
3 
0 
1 
 
Sum of products of rows: 6