Class Modifier - memorylorry/JavaCook GitHub Wiki
A class Declaration may include some modifiers:
ClassModifier:
(one of)
Annotaition public protected private
abstract static final strictfp
Java provides mechanism for access control, to prevent the users of a package or class from depending or unnecessary details of the implementation of that package or class. If access is permitted, then the accessed entry is said to be accessible.
Here an wrong static class case: Why is it wrong?