class MyThread implements Runnable{

    private int index;

    public MyThread(int index){

        this.index = index;

    }

    @Override

    public void run() {

        System.out.println("处理任务:" + index);

    }

}

public class Test1 {

    public static void main(String[] args){

        // 创建线程池

        ExecutorService executor = Executors.newSingleThreadExecutor();

        for (int i = 0; i < 15; i++){

            MyThread myThread = new MyThread(i);

            // 任务丢进线程池

            executor.execute(myThread);

        }

        // 关闭服务

        executor.shutdown();

    }

}