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Demo：JDK8的CompletableFuture 自带多任务组合方法allOf和anyOfallOf是等待所有任务完成，构造后CompletableFuture完成anyOf是只要有一个任务完成，构造后CompletableFuture就完成 public static Completable...

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3、CompletionService如果你向Executor提交了一个批处理任务，并且希望在它们完成后获得结果,怎么办呢？Java8之前的做法是让返回Futrue，然后调用其get阻塞方法即可。这样做固然可以，但却相当乏味。幸运的是，Java8提供了一个更好的方法：完成服务 (Completion...

【小家Java】Future、FutureTask、CompletionService、CompletableFuture解决多线程并发中归集问题的效率对比（上）

前文开启线程执行任务，不管是使用Runnable（无返回值不支持上报异常）还是Callable（有返回值支持上报异常）接口，都可以轻松实现。那么如果是开启线程池并需要获取结果归集的情况下，如何实现，以及优劣？本文将分别以这四种方式解决归集的问题，然后看看效率...

Java CompletableFuture异步线程联合执行thenCombine（6）

Java CompletableFuture异步线程联合执行thenCombine（6） private void method() throws ExecutionException, InterruptedException { //第一个任务。 CompletableFuture<Str...

Java CompletableFuture anyOf：线程队列只要有一个异步线程完成就触发（5）

Java CompletableFuture anyOf：线程队列只要有一个异步线程完成就触发（5） private void method() throws ExecutionException, InterruptedException { CompletableFuture<String...

Java CompletableFuture：allOf等待所有异步线程任务结束（4）

Java CompletableFuture：allOf等待所有线程任务结束（4） private void method() throws ExecutionException, InterruptedException { CompletableFuture<String> f1 =...

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