What are some examples of thread safety in Java?

What are some examples of thread safety in Java?

Thread safety in Java ensures that shared data is accessed by multiple threads without conflict. Examples include using synchronized methods, locks, and concurrent collections.

Can you explain how synchronized methods work?

Synchronized methods in Java prevent multiple threads from executing the same method on the same object simultaneously, ensuring data integrity.

What about using locks? How do they differ from synchronized methods?

Locks provide more flexibility than synchronized methods. They allow for more complex thread management, such as trying to acquire a lock without blocking.

Are there any built-in concurrent collections in Java?

Yes, Java provides several concurrent collections like ConcurrentHashMap, CopyOnWriteArrayList, and BlockingQueue, which are designed for thread-safe operations.