Help with java (null pointer exception)

[ProgramThis]

The Main is not there because I'm using blue J which creates the Main for you.

And this is why nobody should use BlueJ.

Somebody got the bright idea of obfuscating what is really happening for students to try and get them to focus on the code / methods they write. When these same students have to write real code and run it elsewhere, or set up an environment, they fall flat on their face.

The code tags that he is talking about are called BBCode (google them for the markup standard). They start with a "[" and end with a "]" and have the word "code" inbetween. They work like XML markup and need a closing tag as well with the "/" before the word.