Java线程2-4 单任务线程池SingleThreadPool

package thread_threadpool;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * 单线程任务的线程池
 * 好处：当池中的线程死掉了，会再创建一个线程出来继续执行，保证总是有一个线程在执行。
 * 
 * 如果实现线程死后重新启动？---->创建单一线程池
 * @author Administrator
 *
 */
public class ThreadPool_SingleThreadPool {
public static void main(String[] args) throws InterruptedException {
//定义一个单线程任务的线程池
ExecutorService singleThreadPool = Executors.newSingleThreadExecutor();

//执行线程
for (int i = 0; i < 5; i++) {
MyThread3 t = new MyThread3();
singleThreadPool.execute(t);

Thread.sleep(500);
}
}

}
class MyThread3 implements Runnable{
<span style="white-space:pre">	</span>@Override
public void run() {
<span style="white-space:pre">	</span>System.out.println("当前线程："+Thread.currentThread().getName());

}

执行结果：

当前线程：pool-1-thread-1

当前线程：pool-1-thread-1

当前线程：pool-1-thread-1

当前线程：pool-1-thread-1

当前线程：pool-1-thread-1