Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java Welcome back to this two-part tutorial ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Many developers get intimidated when they look at all the new APIs that accept lambda ...

A callback operation in Java is one function that is passed to another function and executed after some action is completed. A callback can be executed either synchronously or asynchronously. In the ...