What are the key features of ExecutorService in Java?

What are the key features of ExecutorService in Java?

ExecutorService is a framework that simplifies concurrent programming in Java. It provides methods to manage and control thread execution.

Can you explain how it handles thread pooling?

Sure! ExecutorService manages a pool of threads, allowing you to reuse threads for multiple tasks, which improves performance.

What types of tasks can I submit to ExecutorService?

You can submit Runnable and Callable tasks to ExecutorService. Runnable does not return a result, while Callable does.

How does it handle task scheduling?

ExecutorService allows you to schedule tasks for future execution using methods like schedule() and scheduleAtFixedRate().

Is it possible to shut down the ExecutorService gracefully?

Yes, you can shut it down using shutdown() or shutdownNow() methods, which allow for graceful or immediate termination.