Inheritance and composition in Java. In this article, you’ll learn the differences between inheritance and composition and how to decide which is correct for your Java programs: ...

Studying Object and its methods will give you a more functional understanding of Java inheritance and how it works in your programs: All about Object: Java’s superclass; How to extend Object: An ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...