How do you initialize base class?

Both methods assign the argument values to the appropriate data members of the class. If you do not explicitly initialize a base class or member that has constructors by calling a constructor, the compiler automatically initializes the base class or member with a default constructor .

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Why do we use class?

A class is used in object-oriented programming to describe one or more objects . It serves as a template for creating, or instantiating, specific objects within a program. While each object is created from a single class, one class can be used to instantiate multiple objects.

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