Since I have done most of my coding for classes (and almost exclusively in Java), I have always just run my programs through the compiler and never had to worry about actually setting it up to run ...

Use Java's packages and static imports to organize top-level types and simplify access to their static members.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

In this Struts 2 file upload example we show you to take a local resource and upload it to a remote Java application server. All a developer needs is a file, a browser and an Internet connection ...