For purposes of this post, I will be creating all files in the temporary directory defined by java.io.tmpdir and will use the new Java 7 class Files with its createTempFile methods to create those ...

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 ...

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 that has a runnable main method. Furthermore, the ...