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11. Keywords () and () are access modifiers.
12. Class members declared with access modifier () are accessible wherever the program has reference to an object of the class in which those members are defined.
13. Class members declared with access modifier () are accessible only to methods of the class in which those members are defined.

18. A () initializes the instance variables of an object of a class when the object is instantiated.
20. Instance variables are normally declared (), and methods are normally declared ().
16. It is possible to assign a superclass reference to a subclass variable by () the reference to the subclass type.
18. When a method is invoked through a superclass reference to a subclass object, Java executes the version of the method found in the ().