Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They provide a simple, clean and concise syntax to launch ...