The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

In part 1 of this series, Gary uploaded an awesome post and video explaining the basics of Java programming. Java is the official programming language of Android; so if you want to build fully-fledged ...

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 ...

Understanding type compatibility is fundamental to writing good Java programs, but the interplay of variances between Java language elements can seem highly academic to the uninitiated. This article ...