RejectedPolicy--DiscardPolicy

package com.jerry.concurrency; import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.ThreadPoolExecutor; import java.util.concurrent.TimeUnit; public class TestRejectedPolicy { public static void main(String[] args) throws InterruptedException { ThreadPoolExecutor pool = new ThreadPoolExecutor(1, 1, 0, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(1));//设置线程池只启动一个线程 阻塞队列一个元素 pool.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy()); //设置策略为直接丢弃 for (int i = 0; i < 10; i++) { pool.submit(new Runnable() { public void run() { System.out.println("线程:" + Thread.currentThread().getName()+" 开始执行"); try { Thread.sleep(1000L); } catch (Exception e) { e.printStackTrace(); } System.out.println("线程:" + Thread.currentThread().getName()+" 执行完毕"); } }); } Thread.sleep(9000L); pool.shutdown(); System.out.println("关闭后线程终止了吗？" + pool.isTerminated()); } }