How do I choose a thread-safe collection in Java?

How do I choose a thread-safe collection in Java?

Choosing a thread-safe collection in Java depends on your specific use case. Are you looking for performance, or do you need strict ordering?

I need something that allows concurrent access but also maintains order.

In that case, you might want to consider using ConcurrentLinkedQueue or CopyOnWriteArrayList. Both provide thread safety and maintain order.

What about performance? Are there any trade-offs?

Yes, there are trade-offs. CopyOnWriteArrayList is great for read-heavy scenarios but can be costly for writes. ConcurrentLinkedQueue is more efficient for concurrent access.

Thanks! Are there any other options I should consider?

You could also look into BlockingQueue implementations like ArrayBlockingQueue or LinkedBlockingQueue if you need blocking operations.