J250511/01-JavaSE阶段代码/J20250731/demo03_threadPool/ThreadPoolDemo03.java

package J20250731.demo03_threadPool;

import java.util.concurrent.*;

/**
 * @author WanJl
 * @version 1.0
 * @title ThreadPoolDemo03
 * @description
 * @create 2025/7/31
 */
public class ThreadPoolDemo03 {
    public static void main(String[] args) {
        /*
            1、核心线程数
            2、最大线程数
            3、空闲线程最大存活时间
            4、时间单位
            5、任务队列
            6、线程工厂
            7、任务拒绝策略
         */
        ThreadPoolExecutor pool =
                new ThreadPoolExecutor(2,
                        5,
                        2,
                        TimeUnit.SECONDS, new ArrayBlockingQueue<>(10),
                        Executors.defaultThreadFactory(),
                        new ThreadPoolExecutor.AbortPolicy());

        for (int i = 0; i < 100; i++) {
            try {
                pool.submit(() -> {
                    System.out.println("线程id：" + Thread.currentThread().getId() + ",线程名：" + Thread.currentThread().getName() + "在执行了.....");
                    try {
                        Thread.sleep(100);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                });
            } catch (RejectedExecutionException e) {
                System.out.println("一桌客人被撵跑了....");
            }
        }

        System.out.println("线程池的线程数：" + pool.getPoolSize());
        pool.shutdown();
    }
}