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 ...

Declaring it as static just makes it more convenient to call since you do not need an instance to call the method. Sometimes you will have methods that don’t seem to rely on instance state.

Write native methods in your Java code. Then run <I>javah</I> on that to produce headers. Use these headers to write a wrapper that delegates to the static library.