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

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.