Notice that the data is private and the methods are public. The return type of the create method is void. The return type of the display method is int. The type of the information that is returned should be the same as the return type. Data is private and methods are public.
Picture also has four methods.
Notice that the last statement in the method returns an integer value. Note that the name of the constructor is the same as the name of the class. This is always the case. This is always the case.