Current Behavior When one accesses the getExtensions() method of an abstract class that implements ExtensionAware a java.lang.NoSuchMethodError is thrown. The ...

Developers who create a runnable Java class, be it for a ‘Hello World’ demonstration or to kick off a fully featured enterprise application, will enjoy the following technical benefits when using ...

Are abstract methods realized on the prototype or not? And since an abstract class is basically a combination of a class and an interface, they might be an argument for keeping interfaces similar to ...

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

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

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

The methods in an abstract factory pattern are factory methods and both of these design patterns are used to decouple the implementation classes using abstract types and also factories.

In this post, I will present a discussion on both virtual and abstract methods and when they should be used. A virtual method is one that is declared as virtual in the base class.