Java concurrency allows running multiple sub-tasks of a task in separate threads. Sometimes, it is necessary to wait until all the threads have finished their execution. In this tutorial, we will learn a few ways to make the current thread wait for the other threads to finish. 1. Using ExecutorService and Future.get() Java ExecutorService (or ThreadPoolExecutor) helps execute Runnable or Callable tasks asynchronously. Its submit() method returns a Future object…