What are lambda functions in Java?

What are lambda functions in Java?

Lambda functions in Java are a way to implement functional programming. They allow you to write concise code using expressions.

Can you give me an example of a lambda function?

Sure! Here's a simple example: (x) -> x * 2 is a lambda function that takes an integer and returns its double.

How do I use lambda functions with collections?

You can use lambda functions with the Stream API to process collections. For example, list.stream().filter(x -> x > 10).collect(Collectors.toList()) filters elements greater than 10.

What are the benefits of using lambda functions?

Lambda functions make your code more readable and concise, reduce boilerplate code, and enable functional programming techniques.