1. class Dims {2.   public static void main(String[] args) {3.    int[][] a = {{1,2,}, {3,4}};4.    int[] b = (int[]) a[1];5.    Object o1 = a;6.    int[][] a2 = (int[][]) o1;7.    int[] b2 = (int[]) o1;8.    System.out.println(b[1]);9. } }