1)opengl
2)opengl
3)AΣΚΗΣΕΙΣ ΠΙΣΤΟΠΟΙΗΣΗΣ OPENGL

ANAKOINΩΣΗ

ΓΙΑ ΤΗΝ ΤΕΛΙΚΗ ΕΞΕΤΑΣΗ ΝΑ ΕΧΕΤΕ ΔΙΑΒΑΣΕΙ ΤΑ ΠΑΡΑΚΑΤΩ:

1) using System;

struct Books {
   public string title;
   public string author;
   public string subject;
   public int book_id;
};  

public class testStructure {
   public static void Main(string[] args) {
      Books Book1;   /* Declare Book1 of type Book */
      Books Book2;   /* Declare Book2 of type Book */

      /* book 1 specification */
      Book1.title = "C Programming";
      Book1.author = "Nuha Ali"; 
      Book1.subject = "C Programming Tutorial";
      Book1.book_id = 6495407;

      /* book 2 specification */
      Book2.title = "Telecom Billing";
      Book2.author = "Zara Ali";
      Book2.subject =  "Telecom Billing Tutorial";
      Book2.book_id = 6495700;

      /* print Book1 info */
      Console.WriteLine( "Book 1 title : {0}", Book1.title);
      Console.WriteLine("Book 1 author : {0}", Book1.author);
      Console.WriteLine("Book 1 subject : {0}", Book1.subject);
      Console.WriteLine("Book 1 book_id :{0}", Book1.book_id);

      /* print Book2 info */
      Console.WriteLine("Book 2 title : {0}", Book2.title);
      Console.WriteLine("Book 2 author : {0}", Book2.author);
      Console.WriteLine("Book 2 subject : {0}", Book2.subject);
      Console.WriteLine("Book 2 book_id : {0}", Book2.book_id);       

      Console.ReadKey();
   }
}

2)using System;

struct Books {
   public string title;
   public string author;
   public string subject;
   public int book_id;
};  

public class testStructure {
   public static void Main(string[] args) {
      Books Book1;   /* Declare Book1 of type Book */
      Books Book2;   /* Declare Book2 of type Book */

      /* book 1 specification */
      Book1.title = "C Programming";
      Book1.author = "Nuha Ali"; 
      Book1.subject = "C Programming Tutorial";
      Book1.book_id = 6495407;

      /* book 2 specification */
      Book2.title = "Telecom Billing";
      Book2.author = "Zara Ali";
      Book2.subject =  "Telecom Billing Tutorial";
      Book2.book_id = 6495700;

      /* print Book1 info */
      Console.WriteLine( "Book 1 title : {0}", Book1.title);
      Console.WriteLine("Book 1 author : {0}", Book1.author);
      Console.WriteLine("Book 1 subject : {0}", Book1.subject);
      Console.WriteLine("Book 1 book_id :{0}", Book1.book_id);

      /* print Book2 info */
      Console.WriteLine("Book 2 title : {0}", Book2.title);
      Console.WriteLine("Book 2 author : {0}", Book2.author);
      Console.WriteLine("Book 2 subject : {0}", Book2.subject);
      Console.WriteLine("Book 2 book_id : {0}", Book2.book_id);       

      Console.ReadKey();
   }
}

3)using System;

namespace EnumApplication {
   class EnumProgram {
      enum Days { Sun, Mon, tue, Wed, thu, Fri, Sat };

      static void Main(string[] args) {
         int WeekdayStart = (int)Days.Mon;
         int WeekdayEnd = (int)Days.Fri;
         
         Console.WriteLine("Monday: {0}", WeekdayStart);
         Console.WriteLine("Friday: {0}", WeekdayEnd);
         Console.ReadKey();
      }
   }
}

4)

using System;

namespace PolymorphismApplication {
   class Printdata {
      void print(int i) {
         Console.WriteLine("Printing int: {0}", i );
      }
      void print(double f) {
         Console.WriteLine("Printing float: {0}" , f);
      }
      void print(string s) {
         Console.WriteLine("Printing string: {0}", s);
      }
      static void Main(string[] args) {
         Printdata p = new Printdata();
         
         // Call print to print integer
         p.print(5);
         
         // Call print to print float
         p.print(500.263);
         
         // Call print to print string
         p.print("Hello C++");
         Console.ReadKey();
      }
   }
}


5)


using System;

namespace ErrorHandlingApplication {
   class DivNumbers {
      int result;
      
      DivNumbers() {
         result = 0;
      }
      public void division(int num1, int num2) {
         try {
            result = num1 / num2;
         } catch (DivideByZeroException e) {
            Console.WriteLine("Exception caught: {0}", e);
         } finally {
            Console.WriteLine("Result: {0}", result);
         }
      }
      static void Main(string[] args) {
         DivNumbers d = new DivNumbers();
         d.division(25, 0);
         Console.ReadKey();
      }
   }
}

6)using System;
using System.IO;

namespace FileIOApplication {
   
   class Program {
      
      static void Main(string[] args) {
         FileStream F = new FileStream("test.dat", FileMode.OpenOrCreate, 
            FileAccess.ReadWrite);
         
         for (int i = 1; i <= 20; i++) {
            F.WriteByte((byte)i);
         }
         
         F.Position = 0;
         for (int i = 0; i <= 20; i++) {
            Console.Write(F.ReadByte() + " ");
         }
         F.Close();
         Console.ReadKey();
      }
   }
}

ΚΛΑΣΕΙΣ-ΑΝΤΙΚΕΙΜΕΝΑ

class

Fruit

objects

Apple

Banana

Mango

1)using System;
namespace aa
{  class Car 

{
  string color = "red";

  static void Main(string[] args)
  {
    Car myObj = new Car();
    Console.WriteLine(myObj.color);
  }
}  }

2) using System;
namespace bb
{class Car

{
  string color = "red";
  static void Main(string[] args)
  {
    Car myObj1 = new Car();
    Car myObj2 = new Car();
    Console.WriteLine(myObj1.color);
    Console.WriteLine(myObj2.color);
  }
}}

3) using System;
namespace c
{

class Person

{
  private string name; // field
  public string Name   // property
  {
    get { return name; }
    set { name = value; }
  }
}

class Program
{
  static void Main(string[] args)
  {
    Person myObj = new Person();
    myObj.Name = "Liam";
    Console.WriteLine(myObj.Name);
  }
} }

4)

using System;

namespace MyApplication
{
  class Car 
  {
    string model;
    string color;
    int year;

    static void Main(string[] args)
    {
      Car Ford = new Car();
      Ford.model = "Mustang";
      Ford.color = "red";
      Ford.year = 1969;

      Car Opel = new Car();
      Opel.model = "Astra";
      Opel.color = "white";
      Opel.year = 2005;

      Console.WriteLine(Ford.model);
      Console.WriteLine(Opel.model);
    }
  }
}

ΜΕΘΟΔΟΙ

1)

using System;

namespace MyApplication
{
  class Program
  {
    static void MyMethod(string fname) 
    {
      Console.WriteLine(fname + " Refsnes");
    }

    static void Main(string[] args)
    {
      MyMethod("Liam");
      MyMethod("Jenny");
      MyMethod("Anja");
    }  
  }
}

2)sing System;

namespace MyApplication
{
  class Program
  {
    static void MyMethod(string country = "Norway")
    {
      Console.WriteLine(country);
    }

    static void Main(string[] args)
    {
      MyMethod("Sweden");
      MyMethod("India");
      MyMethod();
      MyMethod("USA");
    }
  }
}

3)using System;

namespace MyApplication
{
  class Program
  {
    static void MyMethod(string fname, int age)
    {
      Console.WriteLine(fname + " is " + age);
    }

    static void Main(string[] args)
    {
      MyMethod("Liam", 5);
      MyMethod("Jenny", 8);
      MyMethod("Anja", 31);
    }
  }
}

4)using System;

namespace MyApplication
{
  class Program
  {
    static int MyMethod(int x)
    {
      return 5 + x;
    }

    static void Main(string[] args)
    {
      Console.WriteLine(MyMethod(3));
    }
  }
}

5)using System;

namespace MyApplication
{
  class Program
  {
    static int MyMethod(int x, int y)
    {
      return x + y;
    }

    static void Main(string[] args)
    {
      int z = MyMethod(5, 3);
      Console.WriteLine(z);
    }
  }
}

6)