1*f1fbf3c2SXin Li package sample.vector; 2*f1fbf3c2SXin Li 3*f1fbf3c2SXin Li public class Sample2 extends java.util.Vector { add(Object[] args)4*f1fbf3c2SXin Li public Object add(Object[] args) { 5*f1fbf3c2SXin Li super.addElement(args[0]); 6*f1fbf3c2SXin Li return null; 7*f1fbf3c2SXin Li } 8*f1fbf3c2SXin Li at(Object[] args)9*f1fbf3c2SXin Li public Object at(Object[] args) { 10*f1fbf3c2SXin Li int i = ((Integer)args[0]).intValue(); 11*f1fbf3c2SXin Li return super.elementAt(i); 12*f1fbf3c2SXin Li } 13*f1fbf3c2SXin Li } 14