When should I use synchronized locks in Java?

When should I use synchronized locks in Java?

You should use synchronized locks in Java when you need to control access to shared resources by multiple threads to prevent data inconsistency.

Can you give me an example of when to use them?

Sure! If you have a bank account class where multiple threads can deposit or withdraw money, using synchronized methods can ensure that the balance is updated correctly.

Are there any downsides to using synchronized locks?

Yes, using synchronized locks can lead to reduced performance due to thread contention and can also cause deadlocks if not managed properly.

What are some alternatives to synchronized locks?

Alternatives include using ReentrantLock, ReadWriteLock, or higher-level concurrency utilities from the java.util.concurrent package.