/**

 * 创建不同类型的线程池 Executors

 *

 * @author

 */

public class ThreadPoolTest01 {

    public static void main(String[] args) {

        //ExecutorService threadPool = Executors.newFixedThreadPool(3); // 创建一个固定大小的线程池，5个线程

//        ExecutorService threadPool = Executors.newCachedThreadPool();    //创建一个可变的线程池，线程个数自己控制

        ExecutorService threadPool = Executors.newSingleThreadExecutor();    //线程池中只有一个线程，死掉后会有新的线程代替

        for (int i = 1; i <= 10; i++) {    //向线程池添加10个任务

            final int taskId = i;

            threadPool.execute(new Runnable() {

                @Override

                public void run() {

                    for (int i = 0; i < 3; i++) {

                        try {

                            Thread.sleep(30);

                        } catch (InterruptedException e) {

                            e.printStackTrace();

                        }

                        System.out.println(Thread.currentThread().getName()

                                + " loop of " + i + " task of " + taskId);

                    }

                }

            });

        }

        threadPool.shutdown();    //线程池中的线程都没有任务后关闭

//        threadPool.shutdownNow();    //立刻关闭

    }

}