In this article, you will learn the basics of Java polymorphism and how to use it in your programs. Things to know about Java polymorphism. Polymorphism and Java inheritance; Why polymorphism is ...

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: ...

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 ...