Answered: Object passing checklist 1. Go over…

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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Object passing checklist
1. Go over each member function and add the const keyword after their declaration if
they do not modify any of the class' member variables.
2. When accepting objects as parameters, prefer to pass them by reference. Add a
reference declarator (&) before the identifier name of an object parameter.
3. If the member function does not modify the parameter, make the parameter constant
by using the const keyword.

apply the Object Passing Checklist. Modify food.h and volunteer.h to use
object references. Add const and & keywords in the appropriate places of the code.

// volunteer.h
#include <iostream>
#include "food.h"
class Volunteer (
public:
Volunteer () { }
std::string Name ()
void SetName (const
};
void Request Food (
Food
std::cout << f.Quantity () << " x
<< f.Name () <<
}
private:
std::string name_;
const { return name; }
std::string &name) { name_
f)
requested. \n";
name; }
{

// food.h
#include <iostream>
class Food {
public:
Food () { }
std::string Name ()
void SetName (const
name = name;
}
int Quantity ()
void SetQuantity (
};
}
private:
std::string name_;
quantity = quantity;
int quantity_;
{ return name_; }
std::string &name) {
{ return quantity_; }
int
quantity)

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