Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...

JEP 401, Value Objects (Preview), has been integrated into JDK 28. It introduces identity-free class instances with only final fields, changes how == behaves for those objects, and opens the door to ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...