Q. How do we declare an ‘interface’ class?
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(A)
It is not possible to create interface class in C++
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(B)
By declaring the class as interface with the keyword ‘interface’
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(C)
By making all the methods abstract using the keyword ‘abstract’ in a class
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(D)
By making all the methods pure virtual in a class
✅ Correct Answer: (D)
By making all the methods pure virtual in a class