What are the best practices for using CompletableFuture in Java?

What are the best practices for using CompletableFuture in Java?

Some best practices include using CompletableFuture for non-blocking operations, handling exceptions properly, and combining multiple futures.

Can you explain how to handle exceptions with CompletableFuture?

You can use the exceptionally method to handle exceptions. It allows you to provide a fallback value or perform a specific action when an exception occurs.

What about combining multiple CompletableFutures?

You can use methods like allOf and anyOf to combine multiple CompletableFutures. allOf waits for all to complete, while anyOf returns as soon as one completes.

Are there any performance considerations I should be aware of?

Yes, avoid creating too many CompletableFutures at once, as it can lead to resource exhaustion. Also, prefer using a common ForkJoinPool for better performance.