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 ...

Ever wonder why Java's const keyword is unimplemented? More specifically, why do we mark global constants in Java with both the static and final keywords? Why are Java constants static and final? The ...

What would be the best way to share variables/objects between different GUI elements in java? Basically I have several ArrayList objects I want my modal dialogs to have access to. Also, where is the ...

In this tip, I'd like to show a simple technique that allows switching between multiple versions of the code at runtime. Often, when I'm testing a new solution, I'd like to run an old version and make ...

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, ...