The difference between abstract classes and interfaces has long vexed Java developers. Find out how Java 8's default methods introduce both new complexity and new options to that familiar ...

Readers have returned quite a bit of feedback concerning, “Abstract Classes Vs. Interfaces” from April 2001. A recurring request asks to see a complete example of using interfaces and abstract ...

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

What's new in the Java 17 long-term support release? Here are five new Java 17 features that developers who were stuck on Java 11 will love.