Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

Object is the root class, or ultimate superclass, of all other Java classes. Stored in the java.lang package, Object declares the following methods, which all other classes inherit: ...

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.

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

Benefits of unnamed classes and instance main methods Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They ...