What are the differences between Java Futures and Threads?

What are the differences between Java Futures and Threads?

Java Futures represent a result of an asynchronous computation, while Threads are a way to execute code concurrently.

Can you explain how Futures work in Java?

Futures allow you to submit a task for execution and retrieve the result later, using methods like get() to wait for completion.

When should I use Futures instead of Threads?

Use Futures when you need to handle the result of a computation asynchronously, while Threads are better for long-running tasks.

Are there any performance differences between using Futures and Threads?

Yes, Futures can be more efficient for managing multiple tasks, as they handle thread pooling and task scheduling internally.