Java并发编程：线程池 - 实例

 1 public class test {
 2     public static void main(String[] args) {
 3         test t = new test();
 4         ThreadPoolExecutor executor = new ThreadPoolExecutor(5, 10, 200,
 5                 TimeUnit.MILLISECONDS, new LinkedBlockingDeque<Runnable>(5));
 6 
 7         for (int i = 1; i < 16; i++) {
 8             t.testRun(executor, i);
 9             System.out.println("-- 线程池中的线程数 ：" + executor.getPoolSize() +
10                     " -- 对列中的线程数 ：" + executor.getQueue().size() +
11                     " -- 已执行完的线程数 ：" + executor.getCompletedTaskCount());
12         }
13         executor.shutdown();
14         while (true) {
15             if (executor.isTerminated()) {
16                 System.out.println("* ------ * 所有线程已结束");
17                 break;
18             }
19             try {
20                 Thread.sleep(100);
21             } catch (InterruptedException e) {
22                 e.printStackTrace();
23             }
24         }
25 
26     }
27 
28     public void testRun(ThreadPoolExecutor executor, final int a) {
29 
30         executor.execute(new Thread(new Runnable() {
31             @Override
32             public void run() {
33                 System.out.println("线程 开始 ，线程 ：" + a);
34                 try {
35                     Thread.sleep(a * 1000);
36                 } catch (InterruptedException e) {
37                     e.printStackTrace();
38                 }
39                 System.out.println("线程 结束，线程 ： " + a);
40             }
41         }, "name"));
42 
43     }
44 }