STARTING OUT WITH C++ MPL
9th Edition
ISBN: 9780136673989
Author: GADDIS
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 15RQE
C++ Language Elements
Suppose that the classes Dog and Cat derive from Animal, which in turn derives from Creature. Suppose further that pDog, pCat, pAnimal, and pCreature are pointers to the respective classes. Suppose that Animal and Creature are both abstract classes.
15. Will the statement
Animal a;
compile?
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1. Name three concepts we must implement to demonstrate Polymorphism between two classes.2. What problem must we avoid when coding Polymorphism? 3. How do we avoid this problem?4. Code one of the following topics as a simple abstract class.MovieVideoGameCurrency5. Code a simple second class to demonstrate polymorphism and overriding.6. Instantiate an object of the second class to demonstrate polymorphism.
14.
What is an object in C++?
Group of answer choices
An object is a class declared entirely within the body of another class or interface.
An object is an extensible program-code-template for creating classes, providing initial values for state (member variables) and implementations of behavior (member functions, methods)
Anything that may be apprehended intellectually.
An object refers to a particular instance of a class where the object can be a combination of variables, functions, and data structures.
Anything that is visible or tangible and is relatively stable in form.
Chapter 15 Solutions
STARTING OUT WITH C++ MPL
Ch. 15.3 - Prob. 15.1CPCh. 15.3 - Prob. 15.2CPCh. 15.3 - What will the following program display? #include...Ch. 15.3 - What will the following program display? #include...Ch. 15.3 - What will the following program display? #include...Ch. 15.3 - What will the following program display? #include...Ch. 15.3 - How can you tell from looking at a class...Ch. 15.3 - What makes an abstract class different from other...Ch. 15.3 - Examine the following classes. The table lists the...Ch. 15 - A class that cannot be instantiated is a(n) _____...
Ch. 15 - A member function of a class that is not...Ch. 15 - A class with at least one pure virtual member...Ch. 15 - In order to use dynamic binding, a member function...Ch. 15 - Static binding takes place at _____ time.Ch. 15 - Prob. 6RQECh. 15 - Prob. 7RQECh. 15 - Prob. 8RQECh. 15 - The is-a relation between classes is best...Ch. 15 - The has-a relation between classes is best...Ch. 15 - If every C1 class object can be used as a C2 class...Ch. 15 - A collection of abstract classes defining an...Ch. 15 - The keyword _____ prevents a virtual member...Ch. 15 - To have the compiler check that a virtual member...Ch. 15 - C++ Language Elements Suppose that the classes Dog...Ch. 15 - Will the statement pAnimal = new Cat; compile?Ch. 15 - Will the statement pCreature = new Dog ; compile?Ch. 15 - Will the statement pCat = new Animal; compile?Ch. 15 - Rewrite the following two statements to get them...Ch. 15 - Prob. 20RQECh. 15 - Find all errors in the following fragment of code,...Ch. 15 - Soft Skills 22. Suppose that you need to have a...Ch. 15 - Prob. 1PCCh. 15 - Prob. 2PCCh. 15 - Sequence Sum A sequence of integers such as 1, 3,...Ch. 15 - Prob. 4PCCh. 15 - File Filter A file filter reads an input file,...Ch. 15 - Prob. 6PCCh. 15 - Bumper Shapes Write a program that creates two...Ch. 15 - Bow Tie In Tying It All Together, we defined a...
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