What are the performance implications of using synchronized methods in Java?

What are the performance implications of using synchronized methods in Java?

Using synchronized methods can lead to thread contention, which may degrade performance, especially in high-concurrency scenarios.

Can you explain what thread contention is?

Thread contention occurs when multiple threads attempt to access a synchronized method or block at the same time, causing some threads to wait.

Are there alternatives to synchronized methods for thread safety?

Yes, alternatives include using locks from the java.util.concurrent package, such as ReentrantLock, or using atomic variables.

How do locks compare to synchronized methods in terms of performance?

Locks can offer more flexibility and potentially better performance in certain scenarios, as they allow for finer control over synchronization.