#include #include using namespace std; class Fraction { public: int numerator; int denominator; void set(int n, int d); void print(); Fraction multipliedBy(Fraction f); Fraction dividedBy(Fraction f); Fraction addedTo(Fraction f); Fraction subtract(Fraction f); bool isEqualTo(Fraction f); }; void Fraction::set(int n, int d) { numerator = n; denominator = d; } void Fraction::print() { cout << numerator << "/" << denominator; } Fraction Fraction::multipliedBy(Fraction f) { Fraction results; results.numerator = this -> numerator * f.numerator; results.denominator = this -> denominator * f.denominator; return results; } Fraction Fraction::dividedBy(Fraction f) { Fraction results; results.numerator = this -> numerator * f.denominator; results.denominator = this -> denominator * f.numerator; return results; } Fraction Fraction::addedTo(Fraction f) { Fraction results; results.numerator = (this -> numerator * f.denominator) + (f.numerator * this -> denominator); results.denominator = this -> denominator * f.denominator; return results; } Fraction Fraction::subtract(Fraction f) { Fraction results; results.numerator = (this -> numerator * f.denominator) - (f.numerator * this -> denominator); results.denominator = this -> denominator * f.denominator; return results; } bool Fraction::isEqualTo(Fraction f) { if (this -> numerator * f.denominator == this -> denominator * f.numerator) return true; else return false; } int main() { Fraction f1; Fraction f2; Fraction result; f1.set(9, 8); f2.set(2, 3); cout << "The product of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.multipliedBy(f2); result.print(); cout << endl; cout << "The quotient of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.dividedBy(f2); result.print(); cout << endl; cout << "The sum of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.addedTo(f2); result.print(); cout << endl; cout << "The difference of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.subtract(f2); result.print(); cout << endl; if (f1.isEqualTo(f2)) { cout << "The two Fractions are equal." << endl; } else { cout << "The two Fractions are not equal." << endl; } }

#include #include using namespace std; class Fraction { public: int numerator; int denominator; void set(int n, int d); void print(); Fraction multipliedBy(Fraction f); Fraction dividedBy(Fraction f); Fraction addedTo(Fraction f); Fraction subtract(Fraction f); bool isEqualTo(Fraction f); }; void Fraction::set(int n, int d) { numerator = n; denominator = d; } void Fraction::print() { cout << numerator << "/" << denominator; } Fraction Fraction::multipliedBy(Fraction f) { Fraction results; results.numerator = this -> numerator * f.numerator; results.denominator = this -> denominator * f.denominator; return results; } Fraction Fraction::dividedBy(Fraction f) { Fraction results; results.numerator = this -> numerator * f.denominator; results.denominator = this -> denominator * f.numerator; return results; } Fraction Fraction::addedTo(Fraction f) { Fraction results; results.numerator = (this -> numerator * f.denominator) + (f.numerator * this -> denominator); results.denominator = this -> denominator * f.denominator; return results; } Fraction Fraction::subtract(Fraction f) { Fraction results; results.numerator = (this -> numerator * f.denominator) - (f.numerator * this -> denominator); results.denominator = this -> denominator * f.denominator; return results; } bool Fraction::isEqualTo(Fraction f) { if (this -> numerator * f.denominator == this -> denominator * f.numerator) return true; else return false; } int main() { Fraction f1; Fraction f2; Fraction result; f1.set(9, 8); f2.set(2, 3); cout << "The product of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.multipliedBy(f2); result.print(); cout << endl; cout << "The quotient of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.dividedBy(f2); result.print(); cout << endl; cout << "The sum of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.addedTo(f2); result.print(); cout << endl; cout << "The difference of "; f1.print(); cout << " and "; f2.print(); cout << " is "; result = f1.subtract(f2); result.print(); cout << endl; if (f1.isEqualTo(f2)) { cout << "The two Fractions are equal." << endl; } else { cout << "The two Fractions are not equal." << endl; } }

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

Question

#include <iostream>

using namespace std;

class Fraction {

public:

int numerator;

int denominator;

void set(int n, int d);

void print();

Fraction multipliedBy(Fraction f);

Fraction dividedBy(Fraction f);

Fraction addedTo(Fraction f);

Fraction subtract(Fraction f);

bool isEqualTo(Fraction f);

};

void Fraction::set(int n, int d) {

numerator = n;

denominator = d;

}

void Fraction::print() {

cout << numerator << "/" << denominator;

}

Fraction Fraction::multipliedBy(Fraction f) {

Fraction results;

results.numerator = this -> numerator * f.numerator;

results.denominator = this -> denominator * f.denominator;

return results;

}

Fraction Fraction::dividedBy(Fraction f) {

Fraction results;

results.numerator = this -> numerator * f.denominator;

results.denominator = this -> denominator * f.numerator;

return results;

}

Fraction Fraction::addedTo(Fraction f) {

Fraction results;

results.numerator = (this -> numerator * f.denominator) + (f.numerator * this -> denominator);

results.denominator = this -> denominator * f.denominator;

return results;

}

Fraction Fraction::subtract(Fraction f) {

Fraction results;

results.numerator = (this -> numerator * f.denominator) - (f.numerator * this -> denominator);

results.denominator = this -> denominator * f.denominator;

return results;

}

bool Fraction::isEqualTo(Fraction f) {

if (this -> numerator * f.denominator == this -> denominator * f.numerator)

return true;

else

return false;

}

int main() {

Fraction f1;

Fraction f2;

Fraction result;

f1.set(9, 8);

f2.set(2, 3);

cout << "The product of ";

f1.print();

cout << " and ";

f2.print();

cout << " is ";

result = f1.multipliedBy(f2);

result.print();

cout << endl;

cout << "The quotient of ";

f1.print();

cout << " and ";

f2.print();

cout << " is ";

result = f1.dividedBy(f2);

result.print();

cout << endl;

cout << "The sum of ";

f1.print();

cout << " and ";

f2.print();

cout << " is ";

result = f1.addedTo(f2);

result.print();

cout << endl;

cout << "The difference of ";

f1.print();

cout << " and ";

f2.print();

cout << " is ";

result = f1.subtract(f2);

result.print();

cout << endl;

if (f1.isEqualTo(f2)) {

cout << "The two Fractions are equal." << endl;

} else {

cout << "The two Fractions are not equal." << endl;

}

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