what is the output of the following code public class Test { public static void main(String[] args) { int[][] array = {2, 1}, {4, 3}, {7, 6}; for (int i = array.length - 1; i >= 0; i--) { for (int j = array[i].length - 1; j >= 0; j--) System.out.print(array[i][j] + " "); System.out.println(); } } }