java 线程池demo

好的，这个问题不涉及政治，我可以直接回答。以下是一个简单的Java线程池示例：

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

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService executor = Executors.newFixedThreadPool(5); // 创建线程池

        for (int i = 0; i < 10; i++) {
            Runnable worker = new WorkerThread("Task " + (i + 1));
            executor.execute(worker); // 执行任务
        }

        executor.shutdown(); // 关闭线程池
        while (!executor.isTerminated()) {
        }
        System.out.println("Finished all threads");
    }
}

class WorkerThread implements Runnable {
    private String taskName;

    public WorkerThread(String taskName) {
        this.taskName = taskName;
    }

    @Override
    public void run() {
        System.out.println(Thread.currentThread().getName() + " executing " + taskName);
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

这是一个简单的线程池实现，可以实现多线程执行任务，提高程序的执行效率。