A nested class is a member of its enclosing class . Non-static nested classes (inner classes) have access to other members of the enclosing class, even if they are declared private. Static nested classes do not have access to other members of the enclosing class.
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A nested class may inherit from private members of its enclosing class. The following example demonstrates this: class A { private: class B { }; B *z; class C : private B { private: B y; // A::B y2; C *x; // A::C *x2; }; }; The nested class A::C inherits from A::B .
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