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如何创建线程池？

2025-02-19 NEW个对象

1、通过ExecutorService

ExecutorService executor = Executors.newCachedThreadPool();

ExecutorService executor = Executors.newFixedThreadPool(nThreads);

ExecutorService executor = Executors.newSingleThreadExecutor();

ScheduledExecutorService executor = Executors.newScheduledThreadPool(corePoolSize);

2、使用 ThreadPoolExecutor 自定义线程池

ExecutorService executor = new ThreadPoolExecutor(

corePoolSize（20）,

maximumPoolSize（30）,

keepAliveTime（60L）,

unit（TimeUnit.SECONDS）,

new LinkedBlockingQueue<Runnable>()

);

3、执行任务

executor.submit(() -> {

// 任务逻辑

});

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