Discuss the following and give examples of each: a) Constructor b) Friend Functions c) Virtual functions d) Polymorphism
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A: The above question is solved in step 2 :-
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Q: What is the difference between a friend function of a class and a member function of a class?
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- Q2\B\ True or false ( answer three) 1- Abstract data types cannot be implemented in procedural languages such as C and Pascal. 2- Although methods and fields can be static, constructors cannot be static. 3- One problem with OOP when create a Class it can never be changed. 4- polymorphys im is extensively used in implementing inheritance.Computer science b) With constructors, destructors, and member functions, what access specifier is used?Differentiate between constructor and destructor function in context of classes and objects using C++
- Q2\B\ True or false ( answer three) 1- Abstract data types cannot be implemented in procedural languages such as C and Pascal. 2- Although methods and fields can be static, constructors cannot be static. 3- One problem with OOP when create a Class it can never be changed. 4- polymorphysim is extensively used in implementing inheritance.Explain how polymorphism works through inheritance. Be specific. HINT: Use specific C+ keywords, explain about member functions and how to call them.Method overriding is combination of inheritance and polymorphism? a) True b) false
- The data structures help mostly to: b)Debug programs c)Create inheritance hierarchies a)Organize data for efficient operations d)All of these reasonsDifferentiate these terms with minimum words.d) <<extend>> and <<include>> e) Generalization and Specializationf) Concrete class and Interface classg) Brief Use-case and Casual Use-caseDefine a class Book in C++, which has the following private data members:a) BookNameb) BookAuthorc) BookIDClass Book has a constructor, a destructor and a member function to display state of the object. All member functions are defined outside the class.Create an object MyBook from class Book in main( ) function by passing book name, author name and book ID at the time of object instantiation. In main() function, display the state of the created object MyBook by calling member function.
- 2) The following graphic is an example of a (an) class. a) structural b) inheritance c) polymorphism d) UML size color make model rentOut() checkin() service() RentalCar Class Name Attributes Methods (Operations)What is the difference between a friend function of a class and a member function of a class? (3)Assume the definition of class houseType as given in Exercise 11. Answer the following questions. (1, 2, 3, 5, 7) a. Write the definition of the member function set so that private members are set according to the parameters. b. Write the definition of the member function print that prints the values of the data members. c. Write the definition of the constructor of the class houseType so that the private member variables are initialized to according to the parameters. d. Write a C++ statement that prints the value of the object newHouse. e. Write a C + + statement that declares an object house of type newHouse, and initializes the member variables of house to "Ranch", 3, 2, 2, 2005, 1300, 185000, and 3600.0, respectively. f. Which function members are accessors and which are mutators?