What is the Java 8 Stream API and how can I use it?

What is the Java 8 Stream API and how can I use it?

The Java 8 Stream API is a powerful tool for processing sequences of elements, such as collections, in a functional style.

Can you give me an example of how to use streams to filter a list?

Sure! You can use the filter method to filter elements. For example: list.stream().filter(x -> x > 10).collect(Collectors.toList());

What are some common operations I can perform with streams?

Common operations include filtering, mapping, sorting, and reducing. Each can be chained together for complex data processing.

Are there any performance benefits to using the Stream API?

Yes, the Stream API can improve performance through parallel processing and lazy evaluation, which can optimize resource usage.