简单的Java线程池

最新推荐文章于 2026-01-01 15:39:09 发布

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本文介绍了一种使用Java实现的工作队列，用于多线程环境下的任务调度。通过创建线程池和链接列表，文章详细阐述了如何高效地执行任务并确保线程的合理利用。

import java.util.LinkedList; public class WorkQueue { private final int nThreads; private final PoolWorker[] threads; private final LinkedList<Runnable> queue; public WorkQueue(int nThreads) { this.nThreads = nThreads; queue = new LinkedList<Runnable>(); threads = new PoolWorker[nThreads]; for (int i=0; i<nThreads; i++) { threads[i] = new PoolWorker(); threads[i].start(); } } public void execute(Runnable r) { synchronized(queue) { queue.addLast(r); queue.notify(); } } private class PoolWorker extends Thread { @Override public void run() { Runnable r; while (true) { synchronized(queue) { while (queue.isEmpty()) { try { queue.wait(); } catch (InterruptedException ignored) { } } r = (Runnable) queue.removeFirst(); } // If we don't catch RuntimeException, // the pool could leak threads try { r.run(); } catch (RuntimeException e) { // You might want to log something here } } } } }