1    /* 
2     * Queue.java 
3     * 
4     * Created on December 4, 2002 
5     */ 
6     
7    package collections.linkedlist; 
8     
9    import java.util.LinkedList; 
10    
11   /** 
12    * Shows how to use a linkedList as a Queue 
13    * @author  Thomas Rowland 
14    */ 
15   public class Queue { 
16    
17       LinkedList queue = new LinkedList(); 
18    
19       public static void main(String[] args) { 
20           Queue queue = new Queue(); 
21           queue.add("good"); 
22           queue.add("bad"); 
23           queue.add("ugly"); 
24    
25           System.out.println(queue.remove()); 
26           System.out.println(queue.remove()); 
27           System.out.println(queue.remove()); 
28       } 
29    
30       public void add(Object o) { 
31           queue.addLast(o); 
32       } 
33    
34       public Object remove() { 
35           return queue.removeFirst(); 
36       } 
37    
38   } 
39