What is a nested class in C++?

A nested class is a class that is declared in another class . The nested class is also a member variable of the enclosing class and has the same access rights as the other members. However, the member functions of the enclosing class have no special access to the members of a nested class.

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Can I have a class inside another class?

Non-static nested classes are called inner classes . Nested classes that are declared static are called static nested classes. 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.

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