Q1: Consider a class network of the following figure. The class Result derives information from two branch, find: 1- Define all the five classes, and read data for the base classes by using: a- Initialize the data members by using constructor. b- read the string data (Em_name and Wo_name), by using dynamic constructor. 2- Find the grater salary of each employee and worker? by using friend function. 3- Display the employee or worker information that have the grater salary. 4- Write a main program to create one object and using the implicitly constructor calling method to send all the data members are required. Emp info Em address Em salary Sci_info grater_salary() Wo address Wo salary Friend function Worker Employe Em code, Em name Wo code, Wo name Result Display()

Q1: Consider a class network of the following figure. The class Result derives information from two branch, find: 1- Define all the five classes, and read data for the base classes by using: a- Initialize the data members by using constructor. b- read the string data (Em_name and Wo_name), by using dynamic constructor. 2- Find the grater salary of each employee and worker? by using friend function. 3- Display the employee or worker information that have the grater salary. 4- Write a main program to create one object and using the implicitly constructor calling method to send all the data members are required. Emp info Em address Em salary Sci_info grater_salary() Wo address Wo salary Friend function Worker Employe Em code, Em name Wo code, Wo name Result Display()

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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Concept explainers

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

Question

Q1: Consider a class network of the following figure. The class Result derives
information from two branch, find:
1- Define all the five classes, and read data for the base classes by
using:
a- Initialize the data members by using constructor.
b- read the string data (Em_name and Wo_name), by using
dynamic constructor.
2- Find the grater salary of each employee and worker? by using
friend function.
3- Display the employee or worker information that have the grater
salary.
4- Write a main program to create one object and using the
implicitly constructor calling method to send all the data members
are required.
Emp info
Em address
Em salary
Sci_info
+ grater_salary(0
Wo address
Wo salary
Friend function
Employe
Worker
Em_code,
Em name
Wo code,
Wo name
Result
Display()

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