Create a class named Doctor that has three member variables: name - A string tha

ID: 3675380 • Letter: C

Question

Create a class named Doctor that has three member variables: name - A string that stores the name of the doctor num Patients - An integer that tracks how many patients the doctor must trea patient List - A dynamic array of strings used to store the patient names Write appropriate constructor(s), mutator, and accessor methods for the class along with the following: A method that inputs all values from the user, including the list of patient names. Note that this method has to support input for an arbitrary number of patient. A method that outputs the name and list of all patients.A method that resets the number of patient to 0 and the patient List to an empty list. An overloaded assignment operator that correctly makes a new copy of the list of patients.A destructor that releases all memory that has been allocated. Write a main method that tests (i.e., unit testing) all of your functions.

Explanation / Answer

Doctor.cpp

#include "Doctor.h"

Doctor::Doctor()
{
    patientList = new string[1];
    numPatients = 0;
}
Doctor::Doctor(const Doctor &docIn)
{
    setName(docIn.name);
    setNumPatients(docIn.numPatients);
    setPatientList(docIn.patientList);
}
Doctor& Doctor::operator= (const Doctor& docIn)
{
    setName(docIn.name);
    setNumPatients(docIn.numPatients);
    setPatientList(docIn.patientList);

    return *this;
}
Doctor::~Doctor()
{
    delete &name;
    delete &numPatients;
    delete [] patientList;
    patientList = NULL;
}
void Doctor::getInfo()
{
    vector<string> patients;
    vector<string>::iterator itr;
    string in = "";
    int i;

cout << " Enter Doctor name: ";
getline(cin, name);

cout << " Enter Patient Names, one at a time (enter '$' when finished): ";
getline(cin, in);

    while (in.compare("$") != 0)
    {
        patients.push_back(in);
        getline(cin, in);
    }

    numPatients = patients.size();
    delete [] patientList;
    patientList = new string[numPatients];
    i = 0;
    for (itr = patients.begin(); itr < patients.end(); itr++)
    {
        patientList[i] = *itr;
        i++;
    }
}
void Doctor::displayInfo()
{
    cout << "Patients:";
    for (int i = 0; i < numPatients; i++)
    {
        cout << endl << patientList[i];
    }

    cout << endl;
}
void Doctor::reset()
{
    if (numPatients > 0)
    {
        numPatients = 0;
        delete [] patientList;
        patientList = NULL;
    }
}
string Doctor::getName()
{
    return name;
}
void Doctor::setName(string nameIn)
{
    name = nameIn;
}
int Doctor::getNumPatients()
{
    return numPatients;
}
void Doctor::setNumPatients(int numIn)
{
    numPatients = numIn;
}
string* Doctor::getPatientList()
{
    return patientList;
}
void Doctor::setPatientList(string* listIn)
{
    patientList = listIn;
}

Doctor.h

#ifndef DOCTOR_H
#define DOCTOR_H
#include <string>
#include <vector>
#include <iostream>

using namespace std;

class Doctor
{
    public:
        Doctor();
        virtual ~Doctor();
        Doctor(const Doctor&);
        string getName();
        void setName(string);
        int getNumPatients();
        void setNumPatients(int);
        string* getPatientList();
        void setPatientList(string*);
        void getInfo();
        void displayInfo();
        void reset();
        Doctor& operator= (const Doctor&);
    protected:
        string name;
        int numPatients;
        string *patientList;
};

#endif // DOCTOR_H

main.cpp

#include "Doctor.h"
#include <iostream>
#include <string>
#include <stdlib.h>

//#define UNIT_TESTING

using namespace std;

int main()
{
    #ifdef UNIT_TESTING
        cout << "Unit testing!" << endl;
        Doctor doc;

doc.setName("Doctor Bob");
cout << "Doctor's name (Doctor Bob): " << doc.getName() << endl;

        string *patients = new string[2];
        patients[0] = "Jim";
        patients[1] = "Jane";
        doc.setPatientList(patients);
        doc.setNumPatients(2);
        cout << "Patient Number (2): " << doc.getNumPatients() << endl;
        cout << "Patients (Jim, Jane): ";
        doc.displayInfo();

        doc.reset();
        cout << "RESET Patient Number (0): " << doc.getNumPatients() << endl;
        cout << "Patients (): ";
        doc.displayInfo();

    #else
        Doctor doc;
        doc.getInfo();
        doc.displayInfo();

#endif

exit(EXIT_SUCCESS);
return 0;
}

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