Assignment8_2

String Operations

Answer:

#include <iostream.h>
#include <conio.h>

class Rectangle {
private:
    float length;
    float width;
public:
    void setlength(float);
    void setwidth(float);
    float perimeter();
    float area();
    void show();
    int sameArea(Rectangle);
};

void Rectangle::setlength(float len) {
    length = len;
}

void Rectangle::setwidth(float wid) {
    width = wid;
}

float Rectangle::perimeter() {
    return (2 * length + 2 * width);
}

float Rectangle::area() {
    return length * width;
}

void Rectangle::show() {
    cout << "Length: " << length << " Width: " << width;
}

int Rectangle::sameArea(Rectangle other) {
    float areaf = length * width;
    float areas = other.length * other.width;
    if (areaf == areas)
        return 1;
    return 0;
}

int main() {
    Rectangle first, second;
    first.setlength(5);
    first.setwidth(2.5);
    second.setlength(5);
    second.setwidth(18.9);
    cout << "First rectangle: ";
    first.show();
    cout << endl << "Area: " << first.area() << " Perimeter: " << first.perimeter() << endl << endl;
    cout << "Second rectangle: ";
    second.show();
    cout << endl << "Area: " << second.area() << " Perimeter: " << second.perimeter() << endl << endl;
    if (first.sameArea(second))
        cout << "Rectangles have the same area\n";
    else
        cout << "Rectangles do not have the same area\n";
    first.setlength(15);
    first.setwidth(6.3);
    cout << "First rectangle: ";
    first.show();
    cout << endl << "Area: " << first.area() << " Perimeter: " << first.perimeter() << endl << endl;
    cout << "Second rectangle: ";
    second.show();
    cout << endl << "Area: " << second.area() << " Perimeter: " << second.perimeter() << endl << endl;
    if (first.sameArea(second))
        cout << "Rectangles have the same area\n";
    else
        cout << "Rectangles do not have the same area\n";
    getch();
    return 0;
}

                            

Answer:

#include <iostream.h>
#include <conio.h>

class complex {
private:
    float x;
    float y;
public:
    void set(float real, float img) {
        x = real; y = img;
    }
    complex sum(complex);
    void disp();
};

complex complex::sum(complex C) {
    complex t;
    t.x = x + C.x;
    t.y = y + C.y;
    return t;
}

void complex::disp() {
    cout << x << " + j" << y << endl;
}

int main() {
    complex C1, C2, C3;

    C1.set(2.5, 7.1);
    C2.set(4.2, 5.5);
    C3 = C1.sum(C2);

    cout << "\n complex Number 1 = "; C1.disp();
    cout << "\n complex Number 2 = "; C2.disp();
    cout << "\n complex Number 3 = "; C3.disp();

    getch();
    return 0;
}
                        

Answer:

#include <iostream.h>
#include <conio.h>

class Distance {
private:
    int feet;
    float inches;
public:
    void setdist(int ft, float in) {
        feet = ft; inches = in;
    }
    Distance add(Distance);
    void disp();
};

Distance Distance::add(Distance D) {
    Distance t;
    t.inches = inches + D.inches;
    t.feet = 0;
    if (t.inches >= 12.0) {
        t.inches -= 12.0;
        t.feet++;
    }
    t.feet += feet + D.feet;
    return t;
}

void Distance::disp() {
    cout << feet << "\'" << inches << "\" ";
}

int main() {
    Distance d1, d2, d3;
    d1.setdist(10, 7.1);
    d2.setdist(23, 5.5);
    d3 = d1.add(d2);

    cout << "\n distance 1 = "; d1.disp();
    cout << "\n distance 2 = "; d2.disp();
    cout << "\n distance 3 = "; d3.disp();

    getch();
    return 0;
}
                            

Answer:

#include <iostream.h>
#include <conio.h>

class time {
private:
    int hours;
    int minutes;
public:
    void settime(int h, int m) {
        hours = h; minutes = m;
    }
    time sum(time);
    void showtime();
};

time time::sum(time TM) {
    time t;
    t.minutes = minutes + TM.minutes;
    t.hours = t.minutes / 60;
    t.minutes = t.minutes % 60;
    t.hours += hours + TM.hours;
    return t;
}

void time::showtime() {
    cout << hours << " hours and " << minutes << " minutes" << endl;
}

int main() {
    time T1, T2, T3;
    T1.settime(2, 45);
    T2.settime(3, 30);
    T3 = T1.sum(T2);

    cout << "\n Time 1 : "; T1.showtime();
    cout << "\n Time 2 : "; T2.showtime();
    cout << "\n Time 3 : "; T3.showtime();

    getch();
    return 0;
}