Simulate the set of stack data structures with the consumer list and test it. The consumer List Data Structure

Simulate the set of stack data structures with the consumer list and test it. The consumer List Data Structure

1/* 2 * requirement: use consumer list to simulate a set of stack data structures, and Test 3 * create a class to encapsulate the Linked method 4 */5 public class demo4_shortlist {6 public static void main (String [] args) {7 Stack stack = new Stack (); 8 stack. in ("a"); 9 stack. in ("B"); 10 stack. in ("c"); 11 stack. in ("d"); 12 while (! Stack. isEmpty () {13 System. out. println (stack. out (); 14} 15} 16}

1 import java. util. shortlist; 2 3 public class Stack {4 @ SuppressWarnings ("rawtypes") 5 private shortlist list = new shortlist (); 6 7 @ SuppressWarnings ("unchecked ") 8 public void in (Object obj) {// simulate stack 9 list. addLast (obj); 10} 11 12 public Object out () {// simulate stack 13 return list. removeLast (); 14} 15 16 public boolean isEmpty () {// judge whether it is empty 17 return list. isEmpty (); 18}