What is thread interruption in Java?

What is thread interruption in Java?

Thread interruption in Java is a mechanism to signal a thread that it should stop what it's doing and do something else.

How can I interrupt a thread that is sleeping?

You can interrupt a sleeping thread by calling the interrupt() method on the thread. This will throw an InterruptedException.

What happens if a thread is interrupted while it's waiting?

If a thread is interrupted while waiting, it will throw an InterruptedException, allowing you to handle the interruption.

Can a thread ignore an interrupt signal?

Yes, a thread can choose to ignore the interrupt signal, but it's generally good practice to handle it properly.