This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

Most Android developers will use Java to write their apps. Java is an object oriented programming language. But what precisely does that mean?

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

As a longtime Java programmer, it was surprising—astonishing, actually—to watch the language successfully incorporate lambdas and closures. Adding functional constructs to an object-oriented ...

Java is a programming language that is object-oriented, class-based, and concurrent and is based on the syntax of C++ and C. What are the roles & responsibilities of a Java developer?