Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

Java object serialization is a feature of the JDK that is far too often overlooked. When a developer puts together a prototype or cooks up a proof of concept, simply saving a serialized Java object to ...

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.