What is ExecutorService in Java 17?

Can you explain what ExecutorService is in Java 17?

ExecutorService is an interface in Java that provides a higher-level replacement for managing threads. It simplifies the execution of asynchronous tasks.

What are the main features of ExecutorService in Java 17?

Some main features include thread pooling, task scheduling, and the ability to manage the lifecycle of tasks.

How do I create an ExecutorService instance in Java 17?

You can create an ExecutorService instance using factory methods like Executors.newFixedThreadPool(int nThreads) or Executors.newCachedThreadPool().

Can you give me an example of using ExecutorService?

Sure! Here's a simple example:

ExecutorService executor = Executors.newFixedThreadPool(2);
executor.submit(() -> System.out.println("Task 1"));
executor.submit(() -> System.out.println("Task 2"));
executor.shutdown();