Definitions

P = the name of the package
C = the name of the class

The example model package P; class C { }

Explanation:

1. Mention which package you are working in. package P

2. Write the name of the class. Open and close with a curly brace { } class C { }

If you combine all those lines you will see that the following skeleton arises. Btw this is the same as the one you see at the top of the page:

The example model package P; class C { }