One of the more obvious errors occurs when a public Java class is named differently than the file that contains the class definition. This is demonstrated in the next screen snapshot.

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

A public method should never be called by another public method within the same class hierarchy. It should only be called by other classes via the classes' public interface. Class calls might not be ...