ExecutorService_ScheduledThreadPool

public class ScheduledThreadPool {
    public static void main(String[] args){
        ScheduledExecutorService  schedulePool = Executors.newScheduledThreadPool(1);
        //3秒后执行
        schedulePool.schedule(new Runnable(){
            @Override
            public void run() {
                System.out.println("爆炸--"+System.currentTimeMillis());
            }
        },3,TimeUnit.SECONDS);
        //3秒后执行且每隔1秒执行
        schedulePool.scheduleAtFixedRate(new Runnable(){
            @Override
            public void run() {
                System.out.println("爆炸=="+System.currentTimeMillis());
            }
        },3,1,TimeUnit.SECONDS);
    }
}

ScheduledThreadPool可以定时的或延时的执行任务

爆炸--1483421657158
爆炸==1483421657158
爆炸==1483421658159
爆炸==1483421659159
爆炸==1483421660159
爆炸==1483421661159
爆炸==1483421662159
爆炸==1483421663159