In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out the same ...

An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...

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 ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs. In this tutorial, you will learn how to write expressions ...