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 ...

Joe Darcy's recent post What methods should go into a java.util.Objects class in JDK 7? could be the beginning of bringing back some enthusiasm regarding JDK 7.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

Class Library and Application Framework Implementation Once the design of the class library/application framework has been established and reviewed (typically through a peer-review process), the ...

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.