Answered: This is exercise builds on the previous…

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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This is exercise builds on the previous Exercise (Inheritance 2) classes. In this series of exercises we'll take the StudentType class and expand it to also hold a list of courses that the student has taken.

Starting out we want to build a CourseType class that will hold the basic course information:

Create a CourseType class. (Keep it simple at this point. You don't need to put in "extra" members just to make it a bigger class.)
You should create this class with its own .cpp and .h file, but include it in a "project" with your already existing StudentType class. (You can use your own StudentType solution or the one provided from the previous exercise.) Note: At this point you shouldn't be changing anything in the existing StudentType files!
Make sure you test your new CourseType class by declaring an object and testing at least it's constructor.

Submit: Commented test, implementation and header files (.cpp and .h) for new CourseType along with previous StudentType and PersonType zipped into a single

I have submitted a picture of my personType.h file and personType.cpp implementation file as context. I just need a very, very simple courseType class .h and .cpp file

These are the studentType header and Implementation files I have:

//studentType.h

#ifndef STUDENTTYPE_H_INCLUDED
#define STUDENTTYPE_H_INCLUDED

#include "personType.h"
#include <iostream>
#include <string>

//base class = personType , derived class = studentType
class studentType : public personType {

public:
//constructor
studentType();

//first name and last name
studentType (string, string);
//first name, last name, student ID, major declaration, GPA
studentType (string, string, int, string, double);

//acquire GPA
void setGPA (double);
//acquire unique numerical student ID
void setID (int);
//assigns Major declaration based on student's curriculum
void setMajor (string);
//overrides parents' print function
void print() const;

//get's GPA based on calculated GPA
double getGPA() const;
//get function that acquires student's unique ID
int getID() const;
//get function that acquire's student major declaration
string getMajor() const;

private:
//variable for student's unique ID
int id;
//variable that stores GPA
double gpa;
//variable that stores major declaration
string major;

};
#endif // STUDENTTYPE_H_INCLUDED

//studentTypeImp.cpp

#include "studentType.h"
#include <iostream>
#include <string>
using namespace std;

studentType::studentType() : personType ("","") {
id = 0;
major = "";
gpa = 0;
}
studentType::studentType (string first, string last) : personType() {
id = 0;
major = "";
gpa = 0;
}
studentType::studentType (string first, string last, int id, string major,
double gpa) : personType (first, last) {
this -> id = id;
this -> major = major;
this -> gpa = gpa;
}
void studentType::setGPA (double gpa) {
this -> gpa = gpa;
}
void studentType::setID (int id) {
this -> id = id;
}
void studentType::setMajor (string major) {
this -> major = major;
}
void studentType::print() const {
personType::print();
cout << " ID: " << id;
cout << " Major: " << major;
cout << " GPA: " << gpa;
}

double studentType::getGPA() const {
return gpa;
}
int studentType::getID() const {
return id;
}
string studentType::getMajor() const {
return major;
}

1
//personTypeImp.R
2
#include <iostream>
4
#include <string>
5 #include "personType.h"
6.
using namespace std;
7
Evoid personType::print () const {
8
cout << firstName << "" << lastName;
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11
Evoid personType::setName (string first, string last)
12
firstName = first;
13
lastName = last;
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15
string personType::getFirstName () const
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return firstName;
18
Estring personType::getLastName () const {
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return lastName;
21
22
//constructor
OpersonType::personType (string first, string last) {
firstName - first;
23
24
25
lastName = last;
26

1
V/personType.h
2
3
#include <string>
4
5
using namespace std;
6
7
class personType
8
日
9
public:
10
void print () const;
11
//Function to output the first name and last name
12
//in the form firstName lastName.
13
void setName (string first, string last);
//Function to set firstName and lastName according
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//to the parameters.
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//Postcondition: firstName = first; lastName = last
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string getFirstName () const;
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//Function to return the first name.
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//Postcondition: The value of firstName is returned.
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string getLastName () const;
//Function to return the last name.
25
//Postcondition: The value of lastName is returned.
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personType (string first =
string last = "");
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//Constructor
//Sets firstName and lastName according to the parameters.
//The default values of the parameters are null strings.
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//Postcondition: firstName = first; lastName = last
33
private:
34
string firstName; //variable to store the first name
35
string lastName;
//variable to store the last name
36
N22 N2
333 3

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