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.

Developers who create a runnable Java class, be it for a ‘Hello World’ demonstration or to kick off a fully featured enterprise application, will enjoy the following technical benefits when using ...

However, assignments made to either class-based or instance-based reference variables, or to method-based variables within methods of long execution time, can —if the assignments are not well managed— ...

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.

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.