Java学习-List

 1 package Collection;
 2 
 3 import java.util.LinkedList;
 4 import java.util.List;
 5 
 6 import charactor.Hero;
 7 /*
 8  * 使用LinkedList实现Stack栈 
 9  */
10 public class MyStack implements Stack {
11     //使用static便于打印栈中各个元素
12     static LinkedList<Hero> ll = new LinkedList<>();
13     
14     @Override
15     public void push(Hero h) {
16         // TODO Auto-generated method stub
17         ll.addLast(h);
18     }
19 
20     @Override
21     public Hero pull() {
22         // TODO Auto-generated method stub
23         return ll.removeLast();
24     }
25 
26     @Override
27     public Hero peek() {
28         // TODO Auto-generated method stub
29         return ll.getLast();
30     }
31     
32     public static void main(String[] args) {
33         MyStack ms=new MyStack();
34         for(int i=0;i<5;i++){
35             ms.push(new Hero("Hero "+i));
36         }
37         System.out.println("原本栈中元素分别是："+ll);
38         for(int i=0;i<5;i++){
39             System.out.println("出栈："+ms.pull().name);
40             System.out.printf("出栈后，此时栈中元素分别是："+ll+"\n");
41         }
42     
43     }
44 }