In this example, we will execute a simple task under various scenarios to better understand the usage of this interface. class Task implements Callable<String> { private final String name; public Task(String name) { this.name = name; } @Override public String call() throws Exception { return...
import java.util.concurrent.*; public class ExecutorServiceExample { public static void main(String[] args) { ExecutorService executorService = Executors.newFixedThreadPool(4); for (int i = 0; i < 10; i++) { Runnable task = new MyTask("Task " + i); executorService.execute(task); ...
来执行一个线程,如下: import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; public class ExecutorServiceExample { public static void main(String[] args) { // 创建一个单线程的ExecutorService ExecutorService executorService = Executors.newSingleThreadExecutor(); // 提交任务 exe...
Why wait(), notify() And notifyAll() methods are in Object Class How to print even and odd numbers using threads in java Java Thread Sleep Java Exchanger example Java ExecutorService example using Callable and Future Java FutureTask example Java newFixedThreadPool ExampleAuthor...
1.Excutor 源码非常简单,只有一个execute(Runnable command)回调接口 public interface Executor { /** * Executes the given command at some time in the future. The comman
ScheduledFuture extends Future interface, read more about them atJava Callable Future Example. There are two more methods in ScheduledExecutorService that provide option to schedule a task to run periodically. ScheduledExecutorService scheduleAtFixedRate(Runnable command,long initialDelay,long period,TimeUnit ...
The WrappingScheduledExecutorServiceTest.java Java example source code /* * Copyright (C) 2013 The Guava Authors * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain ...
* for example, {@link java.security.PrivilegedAction} to * {@link Callable} form so they can be submitted. * * @param task the task to submit * @return a Future representing pending completion of the task * @throws RejectedExecutionException if the task cannot be ...
Methods inherited from interface java.util.concurrent.Executor execute Method Detail shutdown void shutdown() Initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted. Invocation has no additional effect if already shut down. ...
ScheduledFuture extends Future interface, read more about them atJava Callable Future Example. There are two more methods in ScheduledExecutorService that provide option to schedule a task to run periodically. ScheduledExecutorService scheduleAtFixedRate(Runnable command,long initialDelay,long period,TimeUnit ...