What are some best practices for Java concurrency?

What are some best practices for Java concurrency?

Some best practices include using the java.util.concurrent package, minimizing shared mutable state, and using thread pools.

Can you explain the Executor framework?

The Executor framework provides a high-level API for managing threads, allowing you to decouple task submission from the mechanics of how each task will be run.

What is the difference between synchronized and Lock?

synchronized is a keyword that provides a simple way to ensure that only one thread can access a block of code at a time, while Lock offers more flexibility and features like try-lock and timed lock.

How do I handle thread safety in collections?

You can use thread-safe collections from the java.util.concurrent package, like ConcurrentHashMap, or wrap regular collections with Collections.synchronizedList().

What are some common pitfalls in Java concurrency?

Common pitfalls include deadlocks, race conditions, and not properly handling exceptions in threads.