Section 9.3 protected Members
• A superclass’s public members are accessible wherever the program has a reference to an object of that superclass or one of its subclasses.
• A superclass’s private members can be accessed directly only within the superclass’s declaration.
• A superclass’s protected members (p. 364) have an intermediate level of protection between public and private access. They can be accessed by members of the superclass, by members of its subclasses and by members of other classes in the same package.
• A superclass’s private members are hidden in its subclasses and can be accessed only through the public or protected methods inherited from the superclass.
• An overridden superclass method can be accessed from a subclass if ...
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