In the following example, we are executing a task after 10 seconds. The task will be executed only once. The executor will be shut down so it can’t accept anymore tasks. The executor will wait for 1-hour maximum for the task to be complete. If the task is not completed in 1 hour,...
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); ...
* Executes the given command at some time in the future. The command * may execute in a new thread, in a pooled thread, or in the calling * thread, at the discretion of the Executor implementation. * * @param command the runnable task * @throws RejectedExecutionException if this task ...
The awakened thread will not be able to proceed until the current thread relinquishes the lock on this object. The awakened thread will compete in the usual manner with any other threads that might be actively competing to synchronize on this object; for example, the awakened thread enjoys no ...
* processing actively executing tasks. For example, typical * implementations will cancel via {@linkThread#interrupt}, so any * task that fails to respond to interrupts may never terminate. * *@returnlist of tasks that never commenced execution ...
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 ...
void init() { applicationContext.registerBean("exService", ExecutorService.class应用程序启动就会出现错误Field exService in com.example.DemoApplication required a bean of type 'java.util.concurrent.ExecutorService但是,当我使用applic 浏览0提问于2018-04-02得票数 6 回答已采纳 ...
* properties but different details (for example, timeout parameters) * may be created using {@link ThreadPoolExecutor} constructors. * * @return the newly created thread pool */ public static ExecutorService newCachedThreadPool() { return new ThreadPoolExecutor(0, Integer.MAX_VALUE, ...
There are no guarantees beyond best-effort attempts to stop processing actively executing tasks. For example, typical implementations will cancel viaThread.interrupt(), so any task that fails to respond to interrupts may never terminate. Returns: ...
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(); ...