OOPS chapter 2

EXERCISE 1


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

class Geometrical_Shapes
{
   double No_of_coordinates;
   double Area;
   string Color;
 
   public void Create()
   {
   Console.WriteLine("Enter number of coordinates: ");
   No_of_coordinates=Convert.ToDouble(Console.ReadLine());
   Console.WriteLine("Enter the Area: ");
   Area=Convert.ToDouble(Console.ReadLine());
   Console.WriteLine("Enter the Color: ");
   Color=Console.ReadLine();
   }

   public void Display()
   {
   Console.WriteLine("THIS IS WHAT YOU ENTERED: \n");
   Console.Write("Number of Coordinates: ");
   Console.WriteLine(No_of_coordinates);
   Console.Write("Area: ");
   Console.WriteLine(Area);
   Console.Write("Color: ");
   Console.WriteLine(Color);
   }
}
class Classy
{
   static void Main(string[] args)
   {
   Geometrical_Shapes Small_rectangle= new Geometrical_Shapes();
   Small_rectangle.Create();
   Small_rectangle.Display();
   Console.ReadLine();
   }
}

                                       

EXERCISE 2


using System;
class GameDetails
   {
     string Fname;
     string Lname;
     int NoOfplayers;
     int Level;

        public void Accept_game_details()
         {

        Console.WriteLine("Enter your first name:");
        Fname=Console.ReadLine();
        Console.WriteLine("Enter your last name:");
        Lname=Console.ReadLine();
        Console.WriteLine("Enter number of players:");
        NoOfplayers= Convert.ToInt32(Console.ReadLine());
        Console.WriteLine("Enter complexity level number:");
        Level=Convert.ToInt32(Console.ReadLine());
   }
   public void Display_game_details()
   {
      Console.WriteLine("\nThe details entered are as follows:");
              Console.Write("First name:  ");
      Console.WriteLine(Fname);
              Console.Write("Last name:   ");
      Console.WriteLine(Lname);
      Console.Write("Number of players:");
      Console.WriteLine(NoOfplayers);
      Console.Write("Level:");
      Console.WriteLine(Level);
   }
}
class My
{
      static void Main(string[]  args)
      {
      GameDetails Bingo= new GameDetails();
      Bingo.Accept_game_details();
      Bingo.Display_game_details();
      }
}

EXERCISE 3



using System;
class Myclass
{
   static void Main()
   {
          string Answer="Y";
          string Response_code="66";
          int Counter=60;
          Console.WriteLine(Answer);
          Console.WriteLine(Response_code);
          Console.WriteLine(Counter);
          Console.ReadLine();
    }
}

 EXERCISE 4




using System;
class Vehicle
{
  public int Number_of_tyres;
}

class MyVehicle
{
        static void Main (string[]  args)
        {
        Vehicle Motorcycle= new Vehicle();
    Vehicle Car= new Vehicle();
        Console.WriteLine("Enter the number of wheels in a car:");
    Car.Number_of_tyres=Convert.ToInt32(Console.ReadLine());
        Console.WriteLine("Enter the number of wheels in a Motorcycle:");
    Motorcycle.Number_of_tyres=Convert.ToInt32(Console.ReadLine());
        Console.Write("\nThe number of wheels in a Car is  ");
        Console.WriteLine(Car.Number_of_tyres);
        Console.Write("\nThe number of wheels in a Motorcycle is  ");
        Console.WriteLine(Motorcycle.Number_of_tyres);
        }
}

EXERCISE 5


using System;
class Interchange
{
    int Top_score;
    int New_score;
    int Temp;
    void Swap()
    {
        Top_score=5;
        New_score=10;
        Temp=Top_score;
        Top_score = New_score;
        New_score = Temp;
    }

     
    void Display()
    {
        Console.WriteLine("The new value of top score is:{0}",New_score);
        Console.WriteLine("The old value of top score was:" + Top_score);
        Console.ReadLine();
    }
    static void Main()
    {
        Interchange I1=new Interchange();
        I1.Swap();
        I1.Display();
        Console.ReadLine();
    }
}
           

EXERCISE 6



using System;

class Books
{
   int Number;
   int Copies;
   string Category;
   string Author;

 
   public void Create()
   {
   Console.WriteLine("Enter the ISBN Number: ");
   Number=Convert.ToInt32(Console.ReadLine());
   Console.WriteLine("Enter the Book Category (Fiction / Nonfiction): ");
   Category=Console.ReadLine();
   Console.WriteLine("Enter the Author: ");
   Author=Console.ReadLine();
   Console.WriteLine("Enter the number of copies available: ");
   Copies=Convert.ToInt32(Console.ReadLine());
   }

   public void Display()
   {
   Console.WriteLine("THIS IS THE BOOK DETAILS THAT YOU ENTERED: \n");
   Console.Write("ISBN Number: ");
   Console.WriteLine(Number);
   Console.Write("Book Category: ");
   Console.WriteLine(Category);
   Console.Write("Author: ");
   Console.WriteLine(Author);
   Console.Write("Number of copies available: ");
   Console.WriteLine(Copies);
   }
}
class LibraryBook
{
   static void Main(string[] args)
   {
   Books Putri = new Books();
   Putri.Create();
   Putri.Display();
   Console.ReadLine();
   }
}