What is Java ExecutorService and how do I use it?

Can you explain what Java ExecutorService is?

Java ExecutorService is an interface that provides a higher-level replacement for managing threads. It simplifies concurrent programming by managing a pool of threads.

How do I create a thread pool using ExecutorService?

You can create a thread pool using Executors class. For example, use Executors.newFixedThreadPool(int n) to create a pool with n threads.

What are the benefits of using ExecutorService over creating threads manually?

ExecutorService handles thread management, reduces resource consumption, and simplifies error handling, making your code cleaner and more efficient.

Can you give me an example of submitting tasks to ExecutorService?

Sure! You can submit tasks using the submit() method. For example: executorService.submit(() -> { /* task code */ });.