package java.util;

public class Stack extends Vector
{

 public Stack()
 {
 }
 
 public Object push(Object)
 {
  return null;
 }
 
 public Object pop()
 {
  return null;
 }
 
 public Object peek()
 {
  return null;
 }
 
 public boolean empty()
 {
  return false;
 }
 
 public int search(Object)
 {
  return 0;
 }
 
}