14 threads[i] = new PoolWorker();
15 threads[i].start();//启动所有工作线程
16 }
17 }
18
19 public void execute(Runnable r) {//执行任务
20 synchronized(queue) {
21 queue.addLast(r);
22 queue.notify();
23 }
24 }
25
26 private class PoolWorker extends Thread {//工作线程类
27 public void run() {
28 Runnable r;
29 while (true) {
30 synchronized(queue) {
31 while (queue.isEmpty()) {//如果任务队列中没有任务,等待
32 try{
33 queue.wait();
34 }catch (InterruptedException ignored){}
35 }
36 r = (Runnable) queue.removeFirst();//有任务时,取出任务
37 }
38 try {
39 r.run();//执行任务
40 }catch (RuntimeException e) {
41 // You might want to log something here
42 }
43 }
44 }
45 }
46
47
48 public static void main(String args[]){
49 WorkQueue wq=new WorkQueue(10);//10个工作线程
50 Mytask r[]=new Mytask[20];//20个任务
51
52 for(int i=0;i<20;i++){
53 r[i]=new Mytask();
54 wq.execute(r[i]);
55 }
56 }
57 }
58 class Mytask implements Runnable{//任务接口
59 public void run(){
60 String name=Thread.currentThread()。getName();
61 try{
62 Thread.sleep(100);//模拟任务执行的时间
63 }catch(InterruptedException e){}
64 System.out.println(name+" executed OK");
65 }
66 }