My examples have been written and built in Java SE 7, but I avoid using Java SE 7’s Files class and so don’t need to fully scope Guava’s same-named class. File Creation ...

Keep in mind that not every JAR file is runnable. Some JAR files are just support files intended to be used by other Java apps. For a JAR file to run, the JAR itself must contain at least one class ...

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

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 ...