In a true object-oriented language all programs would have to adhere to an object-oriented structure.
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Q20: Polymorphism permits existing code, which has been
Q21: A parent class is also called a
Q22: A derived class is also called a
Q23: Using polymorphism, existing operations on a base
Q24: C++ is a true object-oriented language.
Q26: Use _ to include standard input and
Q27: Use _ to include standard input and
Q28: You can use _ for standard input
Q29: You can use _ for standard input
Q30: You can use _ for standard output
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