In this lab, you create a programmer-defined class and then use it in a C++ program. The program should create two Rectangle objects and find their area and perimeter.InstructionsEnsure the class file named Rectangle.cpp is open in your editor.In the Rectangle class, create two private attributes named length and width. Bothlength and width should be data type double.Write public set methods to set the values for length and width.Write public get methods to retrieve the values for length and width.Write a public calculateArea()method and a public calculatePerimeter() method to calculate and return the area of the rectangle and the perimeter of the rectangle.Open the file named MyRectangleClassProgram.cpp.In the MyRectangleClassProgram, create two Rectangle objects named rectangle1 and rectangle2 using the default constructor as you saw in MyEmployeeClassProgram.cpp.Set the length of rectangle1 to 10.0 and the width to 5.0. Set the length of rectangle2 to 7.0 and the width to 3.0.Print the value of rectangle1’s perimeter and area, and then print the value of rectangle2’s perimeter and area.Execute the program by clicking the Run button at the bottom of the screenGIVEN CODEMyRectangleClassProgram.cpp// This program uses the programmer-defined Rectangle class. #include "Rectangle.cpp"#include <iostream>using namespace std; int main(){ Rectangle rectangle1; Rectangle rectangle2; rectangle1.setLength(10.0); rectangle1.setWidth(5.0); rectangle2.setLength(7.0); rectangle2.setWidth(3.0); cout << "Perimeter of rectangle1 is " << rectangle1.calculatePerimeter() << endl; cout << "Area of rectangle1 is " << rectangle1.calculateArea() << endl; cout << "Perimeter of rectangle2 is " << rectangle2.calculatePerimeter() << endl; cout << "Area of rectangle2 is " << rectangle2.calculateArea() << endl; return 0;}Rectangle.cpp// Rectangle.cppusing namespace std;class Rectangle{ public: // Declare public methods here private: // Create length and width here}; void Rectangle::setLength(double len){ }void Rectangle::setWidth(double wid){ // write setWidth here}double Rectangle::getLength(){ // write getLength here}double Rectangle::getWidth(){ // write getWidth here} double Rectangle::calculateArea(){ // write calculateArea here}double Rectangle::calculatePerimeter(){ // write calculatePerimeter here}

Step 1 : STARTStep 2 : declare all variablesStep 3 : set, get the length and widthStep 4 : implement…

Answered: you create a programmer-defined class…

Programming Logic & Design Comprehensive

9th Edition

ISBN:9781337669405

Author:FARRELL

Publisher:FARRELL

Chapter11: More Object-oriented Programming Concepts

Section: Chapter Questions

Problem 3GZ

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Instructions

Ensure the class file named Rectangle.cpp is open in your editor.
In the Rectangle class, create two private attributes named length and width. Bothlength and width should be data type double.
Write public set methods to set the values for length and width.
Write public get methods to retrieve the values for length and width.
Write a public calculateArea()method and a public calculatePerimeter() method to calculate and return the area of the rectangle and the perimeter of the rectangle.
Open the file named MyRectangleClassProgram.cpp.
In the MyRectangleClassProgram, create two Rectangle objects named rectangle1 and rectangle2 using the default constructor as you saw in MyEmployeeClassProgram.cpp.
Set the length of rectangle1 to 10.0 and the width to 5.0. Set the length of rectangle2 to 7.0 and the width to 3.0.
Print the value of rectangle1’s perimeter and area, and then print the value of rectangle2’s perimeter and area.
Execute the program by clicking the Run button at the bottom of the screen

GIVEN CODE

MyRectangleClassProgram.cpp

// This program uses the programmer-defined Rectangle class.

#include "Rectangle.cpp"

#include <iostream>

using namespace std;

int main()

{

Rectangle rectangle1;

Rectangle rectangle2;

rectangle1.setLength(10.0);

rectangle1.setWidth(5.0);

rectangle2.setLength(7.0);

rectangle2.setWidth(3.0);

cout << "Perimeter of rectangle1 is " << rectangle1.calculatePerimeter() << endl;

cout << "Area of rectangle1 is " << rectangle1.calculateArea() << endl;

cout << "Perimeter of rectangle2 is " << rectangle2.calculatePerimeter() << endl;

cout << "Area of rectangle2 is " << rectangle2.calculateArea() << endl;

return 0;

}

Rectangle.cpp

// Rectangle.cpp

using namespace std;

class Rectangle

{

public:

// Declare public methods here

private:

// Create length and width here

};

void Rectangle::setLength(double len)

{

}

void Rectangle::setWidth(double wid)

{

// write setWidth here

}

double Rectangle::getLength()

{

// write getLength here

}

double Rectangle::getWidth()

{

// write getWidth here

}

double Rectangle::calculateArea()

{

// write calculateArea here

}

double Rectangle::calculatePerimeter()

{

// write calculatePerimeter here

}

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