1 public class ArrayAssigns { 2 3 public static void main(String [] args){ 4 int [] arr = new int [] {1, 2, 3}; 5 int i = 0; 6 7 D d = new D(9); 8 arr[i++] += d.height; 9 arr[i++] += d.height; 10 //S s = new S(8); 11 //D d = new D(9); 12 13 //s.height += d.height; 14 15 } 16 } 17 class S { 18 int height; 19 public S(int i){ 20 height = i; 21 } 22 } 23 class D { 24 int height; 25 public D(int i){ 26 height = i; 27 } 28 } 29