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My 2 Cents Virtual Base Class

Discussion in 'General Programming Discussions' started by Swati Mishra, Mar 16, 2016.

  1. Swati Mishra

    Yellow Belt

    Dec 28, 2015
    +105 / -0
    The concept of virtual base class is to have only one copy of the base class member in memory.
    Inheriting a class more than once through multiple paths create multiple copies of base class members in the memory. Thus, by declaring the base class inheritance is virtual, only one copy of the base class is inherited. A base class inheritance can be specified as virtual by using the virtual qualifier.

    Class A
    Class B : virtual public A
    Class C : virtual public A

    Classes B and C use the virtual keyword to inherit class A, so the class A is the virtual base class

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