C How to Program (8th Edition)
8th Edition
ISBN: 9780133976892
Author: Paul J. Deitel, Harvey Deitel
Publisher: PEARSON
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Chapter 20, Problem 20.8E
Program Plan Intro
To distinguish between virtual functions and pure virtual functions.
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Indicate whether or not the following is true:When it comes to dynamically bound virtual functions, only pointers and references are acceptable.
Indicate whether or not the following is true:
When it comes to dynamically bound virtual functions, only pointers and references are acceptable.
How do you define a pure virtual function?
Chapter 20 Solutions
C How to Program (8th Edition)
Ch. 20 - Prob. 20.3ECh. 20 - (Polymorphism vs. switch logic) Discuss the...Ch. 20 - (Inheriting Interface vs. Implementation)...Ch. 20 - Prob. 20.6ECh. 20 - (Dynamic Binding vs. Static Binding) Distinguish...Ch. 20 - Prob. 20.8ECh. 20 - (Abstract Base Classes) Suggest one or more levels...Ch. 20 - Prob. 20.10ECh. 20 - (Polymorphic Application) Youve been asked to...Ch. 20 - (Payroll System Modification) Modify the payroll...
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- Indicate if the following is true or false: Only pointers and references may be dynamically bound to virtual functions.arrow_forwardIndicate whether the following is true or false:Only pointers and references are permissible for use with dynamically bound virtual functions.arrow_forwardChoose if each of the following is true or false:Dynamically binding data to virtual functions is limited to pointers and references.arrow_forward
- (Dynamic Binding vs. Static Binding) Distinguish between static binding and dynamicbinding. Explain the use of virtual functions and the vtable in dynamic bindingarrow_forwardWrite in C++ Language. (Employee Record): Create a class named 'Staff' having the following members: Data members - Id – Name - Phone number – Address - AgeIt also has a function named 'printSalary' which prints the salary of the staff.Two classes 'Employee' and 'Officer' inherits the 'Staff' class. The 'Employee' and 'Officer' classes have data members 'Top Skill' and 'department' respectively. Now, assign name, age, phone number, address and salary to an employee and a officer by making an object of both of these classes and print the same.arrow_forwardIs that the case?Pointers or references are required for virtual functions that are dynamically bound.arrow_forward
- C++ Programming. Topic: Working with pointers and dynamic memory. Indicators. Working with dynamic memory. Dynamic arrays and their use as function parameters. Task : Describe a void function named Swap(x,y) that swaps the values stored in the variables x and (x is a real type parameter and is both input and output). Using this function , for the given variables of real type a, b, c, d, one should sequentially replace the values of the pairs (a, b), (c, d) and (b, c) and let a, b, c, d be new values .arrow_forwardNeed help with all answerarrow_forward(Polymorphic Banking Program Using Account Hierarchy) Develop a polymorphic banking program using the Account hierarchy created in Exercise 19.10. Create a vector of Accountpointers to SavingsAccount and CheckingAccount objects. For each Account in the vector, allowthe user to specify an amount of money to withdraw from the Account using member function debit and an amount of money to deposit into the Account using member function credit. As youprocess each Account, determine its type. If an Account is a SavingsAccount, calculate the amountof interest owed to the Account using member function calculateInterest, then add the interestto the account balance using member function credit. After processing an Account, print the updated account balance obtained by invoking base-class member function getBalance.arrow_forward
- (USING PYTHON) create a function create employee_objects that takes a list of data as input and returns back a list with each element as an object that belongs to class Employee def create employee_objects (data): #start of code # end of code employees_list = create employee_objects (employees_data) Expected output: 29arrow_forwardC++ : Defining class Person, class Student, class Teacher and class Graduate. Note that class Student and class Teacher inherits from Person, and class Graduate inherits from Student. Defining two constructors (including a default constructor) for each class. Defining virtual function print() for three classes (person, teacher and graduate), where each has different function body. Writing a main function to test the above definition and run each print function.arrow_forwardWhen do we make a virtual function "pure"? What are the implications of making a function a pure virtual functionarrow_forward
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