Please solve solve asap. It is c++ program. Home ActivityConsider the class class base{public:virtual void iam0{cout << "base\n";}};a.Derive two classes from class base, and for each define iam() to write out thename of the class.b.Declare objects of each class, and call iam) from them.с.Assign the address of objects of the derived classes to base pointers and calliam() through the pointers.d.Remove the virtual keyword from the base class member function, run your codeagain, and compare the results.Develop a simple payroll application. There are three kinds of employees in the system:salaried employee, hourly employee, and commissioned employee. The system takes asinput an array containing employee objects, calculates salary polymorphically, andgenerates report.Make Employee an abstract class. Declare salary) and display() as pure virtualfunctions in it. Derive salaried employee (monthly), hourly employee (per hour basis), andcommissioned employee (bonus on completing each target) from base class Employee. Thedisplay() function should show employee no, employee name, and salary of all employees.Create a base class called shape. Use this class to store two double type values that couldbe used to compute the area of figures. Derive two specific classes called triangle andrectangle from the base shape. Add to base class, a member function get_data() to initializebase class data members and another member functions display_area() to compute anddisplay the area of figures. Mark the display_area() as a virtual function and redefine thisfunction in the derived class to suit their requirements.(Use pure virtual function)

Home Activity Consider the class class base { public: virtual void iam) { cout << "base\n"; }; Derive two classes from class base, and for each define iam() to write out the a. name of the class. b. Declare objects of each class, and call iam) from them. c. iam() through the pointers. Assign the address of objects of the derived classes to base pointers and call d. Remove the virtual keyword from the base class member function, run your code again, and compare the results.

Home Activity Consider the class class base { public: virtual void iam) { cout << "base\n"; }; Derive two classes from class base, and for each define iam() to write out the a. name of the class. b. Declare objects of each class, and call iam) from them. c. iam() through the pointers. Assign the address of objects of the derived classes to base pointers and call d. Remove the virtual keyword from the base class member function, run your code again, and compare the results.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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