FastStack


1   /*
2    * Created on 02-Feb-2006
3    *
4    * TODO To change the template for this generated file go to
5    * Window - Preferences - Java - Code Style - Code Templates
6    */
7   package com.jofti.util;
8   
9   import java.util.Collection  ;
10  import java.util.Iterator  ;
11  import java.util.LinkedList  ;
12  
13  /**
14   * @author xenephon
15   */
16  public class FastStack {
17  
18      /**
19       * 
20       */
21      LinkedList   list = new LinkedList  ();
22      
23      public FastStack() {
24          super();
25          // TODO Auto-generated constructor stub
26      }
27  
28      public Object   pop(){
29          
30          return list.removeLast();
31      }
32      
33      public Object   peek(){
34          
35          return list.getLast();
36      }
37      
38      public int size(){
39          return list.size();
40      }
41      
42      public void push(Object   obj){
43          list.add(obj);
44      }
45      
46        public synchronized boolean addAll(Collection   c) {
47          Iterator   it = c.iterator();
48          
49          int size = c.size();
50          
51          for(int i=0;i<size;i++){
52              list.add(it.next());
53          }
54          return true;
55        }
56  }
57

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