去哪儿第三题01

 

练手，仿着写的

 1 package test;
 2 
 3 import java.util.LinkedList;
 4 
 5 public class Qunaer031 {
 6 
 7     public int nThreads; //线程池中的线程数
 8     public PoolThreads []pool; //线程池
 9     public LinkedList<workTask> queue; //消息队列
10     
11     public Qunaer031(int nThreads) {
12         super();
13         this.nThreads = nThreads;
14         queue = new LinkedList<workTask>();
15         pool = new PoolThreads[nThreads];
16         
17         for(int i=0;i<nThreads;i++){
18             pool[i] = new PoolThreads();
19             pool[i].start();
20         }
21     }
22     
23     private void excute(Runnable r) {
24         // TODO Auto-generated method stub
25         synchronized (queue) {
26             queue.addLast((workTask) r);
27             queue.notify();
28         }
29     }
30     
31     private class PoolThreads extends Thread{
32 
33         @Override
34         public void run() {
35             // TODO Auto-generated method stub
36             super.run();
37             
38             Runnable r;
39             while(true){
40                 synchronized (queue) {
41                     while(queue.isEmpty()){
42                         try {
43                             queue.wait();
44                         } catch (InterruptedException e) {
45                             // TODO Auto-generated catch block
46                             e.printStackTrace();
47                         }
48                     }
49                     
50                     r = queue.removeFirst();
51                 }
52                 try {
53                     r.run();
54                 } catch (Exception e) {
55                     // TODO Auto-generated catch block
56                     e.printStackTrace();
57                 }
58             }
59         }
60     }
61     
62     public static void main(String[] args) {
63         Qunaer031 q = new Qunaer031(10);
64         workTask task[] = new workTask[20];
65         
66         for(int i=0;i<20;i++){
67             task[i] = new workTask();
68             q.excute(task[i]);
69         }
70     }
71     
72 }
73 
74 
75 class workTask implements Runnable{
76 
77     @Override
78     public void run() {
79         // TODO Auto-generated method stub
80         String name = Thread.currentThread().getName();
81         try {
82             Thread.sleep(2000);
83         } catch (InterruptedException e) {
84             // TODO Auto-generated catch block
85             e.printStackTrace();
86         }
87         
88         System.out.println(name+"执行成功");
89     }
90     
91 }

 

posted on 2015-09-11 08:42  TGomving  阅读(119)  评论(0)  编辑  收藏  举报