which of the following is used to implement the c++ interfaces?

a) absolute variables
b) abstract classes
c) constant variables
d) default variables

1 thought on “which of the following is used to implement the c++ interfaces?”

  1. b
    Explanation: Abstract classes in C++ are purposely defined for making base classes containing atleast one virtual function which can be overloaded on inheritance, which means single function name for different sub-classes, hence acts as an interface.

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