Question

Question B Considering how objects list in their own memory space and can behave almost like independent entities, think about some possible programs that you could create with this concept. (for example, a simulated worlds). Be specific in your description as to how OOP concepts would be employed.

Answer 1

As programming language was not mentioned so provided the example in commonly asked language (C++).

Base class BaseShape.h===

#include <iostream>

// Base class

class BaseShape{

public: float area; //area Of the Shape

public: BaseShape(); //Constructor

public: float CalculateArea(); //Method to Calculate Area of the Shape

};

BaseShape.cpp=====

#include "BaseShape.h"

#include <iostream>

//default implementaion of Base class

BaseShape::BaseShape(){

  area = 0;

}

float BaseShape::CalculateArea(){

  return area;

};

Derived class Square.h===========

//dervied class This shows inheritance

class Square: public BaseShape {

public:

Square(float side);

float CalculateArea();

//new method used by dervied class which is not in base class

float CalculatePerimeter();

private:

float side; /*new variables this shows data hiding/abstraction as variable is private and can't be accessed outside*/

};

Square.cpp=====

#include "BaseShape.h"

#include "Square.h"

#include <iostream>

using namespace std;

Square::Square(float sideOfSquare){

  side = sideOfSquare;   

}

/*redefining the functionality of base class function in dervied class which shows Method Overridding of OOP */

float Square::CalculateArea(){

  return side*side;

}

//Adding new functionality derived class

float Square::CalculatePerimeter(){

  return 4*(side);

}

main program:======

#include "BaseShape.h"

#include "Square.h"

#include <iostream>

using namespace std;

int main() {

Square testSquare1(5);

Square testSquare2(12);

cout << "The area of the Square1 is " << testSquare1.CalculateArea() << '\n';

cout << "The perimeter of the Square1 is " << testSquare1.CalculatePerimeter() << '\n';

//This shows the data encapsulation with in the object, both the object have their own data

cout << "The area of the Square2 is " << testSquare2.CalculateArea() << '\n';

cout << "The perimeter of the Square2 is " << testSquare2.CalculatePerimeter() << '\n';

return 0;

}

output:

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