http://www.codebaoku.com/it-java/it-java-280000.html WebSep 3, 2013 · 6. This is actually pretty easy with wait () and notifyAll (). First, define a lock object. (You can use any class for this, but I like to be explicit): package com.javadude.sample; public class Lock {} Next, define your worker thread. He must notify that lock object when he's finished with his processing.
Waiting on multiple threads to complete in Java - Stack Overflow
WebGoogle Guava provides a great class called MoreExecutors which helped me out when testing code that runs in parallel threads via Executor or ExecutorService in JUnit. It lets you create Executor instances that just run everything in the same thread, essentially as a mock of a real Executor.The issue is when things get run in other threads that JUnit … WebNov 21, 2015 · Use ExecutorService.submit (Runnable). This method will return a Future which is a handle to the result of a Runnable. Using Futures provides a clean way to check results. All you have to do is maintain a list of Futures that you submit, and then you can iterate over the whole list of Futures and either: moveishassan
how to make main thread wait for executor service threads to complete
WebJan 1, 2024 · it prevents to reuse the executor as it requires its shutdown; it requires you to use that executor for all operations – it will not work with CompletableFuture s that are managed in another way; it does not clearly shows your intent, which is to wait for all futures to complete; it is more complex to implement; WebJul 12, 2024 · To terminate the ExecutorService when all tasks are finished, just call es.shutdown (). Your own thread will continue the execution, while the task-threads will process all queued tasks. From Java Doc: shutdown Initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted. WebAug 13, 2024 · Waiting on multiple threads to complete in Java. During the course of my program execution, a number of threads are started. The amount of threads varies depending on user defined settings, but they are all executing the same method with different variables. In some situations, a clean up is required mid execution, part of this is … moveis hernandes itapolis