Question 18. Cl and C2 are classes written in an object-oriented programming language (such as Java, C#, or C++). Which of the following statements are correct if C1 is a superclass of C2? a) Cl is always an abstract class. b) C2 contains all public features defined by C1. c) Each C2 object may be replaced by a C1 object. d) C2 is a subclass of Cı

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter10: Classes And Data Abstraction
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Question 18. C1 and C2 are classes written in an object-oriented programming language (such as Java, C#, or
C++). Which of the following statements are correct if C1 is a superclass of C2?
a) Cl is always an abstract class.
b) C2 contains all public features defined by C1.
c) Each C2 object may be replaced by a Cl object.
d) C2 is a subclass of C1.
Transcribed Image Text:Question 18. C1 and C2 are classes written in an object-oriented programming language (such as Java, C#, or C++). Which of the following statements are correct if C1 is a superclass of C2? a) Cl is always an abstract class. b) C2 contains all public features defined by C1. c) Each C2 object may be replaced by a Cl object. d) C2 is a subclass of C1.
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