1 private static void createThreadPool() { 2 ExecutorService executorService = new ThreadPoolExecutor(2, 10, 3 1, TimeUnit.MINUTES, new ArrayBlockingQueue<>(5, true), 4 Executors.defaultThreadFactory(), new ThreadPoolExecutor.AbortPolicy()); 5 for (int i = 0; i < 10; i++) { 6 fin...
1privatestaticvoidcreateCachedThreadPool() {2ExecutorService executorService =Executors.newCachedThreadPool();3for(inti = 0; i < 10; i++) {4finalintindex =i;5executorService.execute(() ->{6//获取线程名称,默认格式:pool-1-thread-17System.out.println(DateUtil.now() + " " + Thread.currentT...
* ThreadFactory to create new threads when needed. * @param threadFactory the factory to use when creating new threads * @return the newly created thread pool * @throws NullPointerException if threadFactory is null */ public static ExecutorService newCachedThreadPool(ThreadFactory threadFactory) { ret...
当然Executors也是用不同的参数去new ThreadPoolExecutor实现的,本文先分析前四种线程创建方式,后在分析new ThreadPoolExecutor创建方式 使用Executors 创建线程池 1.newFixedThreadPool() 由于使用了LinkedBlockingQueue所以maximumPoolSize没用,当corePoolSize满了之后就加入到LinkedBlockingQueue队列中。 每当某个线程执行完成...
newCachedThreadPoolTesterBadly(); } } 当main方法启动以后,打开控制面板,看到CPU和内存几乎已经全部耗尽: 很快控制台就抛出了java.lang.OutOfMemoryError: begin... Exception in thread"main"java.lang.OutOfMemoryError: unable to createnewnativethread at java.lang....
threadPool = Executors.newSingleThreadExecutor();//单线程的线程池,只有一个线程在工作// threadPool = new ThreadPoolExecutor();//默认线程池,可控制参数比较多 private static void createCachedThreadPool() { ExecutorService executorService = Executors.newCachedThreadPool(); for (int i =...
Java thread pool manages the collection of Runnable threads and worker threads execute Runnable from the queue.java.util.concurrent.Executorsprovide implementation ofjava.util.concurrent.Executorinterface to create the thread pool in java. Let’s write a simple program to explain it’s working. ...
This method returns false if the pool is stopped or * eligible to shut down. It also returns false if the thread * factory fails to create a thread when asked. If the thread * creation fails, either due to the thread factory returning * null, or due to an exception (typically OutOf...
*/publicThreadPoolExecutorcreateThreadPool(){returnnewThreadPoolExecutor(corePoolSize,maximumPoolSize,keepAliveTime,timeUnit,blockingQueue,threadFactory,handler);}} TestMain 代码语言:javascript 代码运行次数:0 运行 AI代码解释 publicclassTestMain{publicstaticvoidmain(String[]args){ThreadPoolManager threadPool...
newCachedThreadPool(r -> { Thread t = new Thread(r); t.setName(name + UUID.randomUUID().toString()); return t; }); } /** * 提供工厂方法 * * @param nThread * @param name */ public static BlockedThreadPool createBlockedThreadPool(int nThread, String name) { return new Blocked...