C# Call By Value and Call By Reference Part 2

کد ها و عکس ها از این سایت برداشته شده ، گذاشتمش اینجا که بعدا کامل کنم.

using System;
namespace FunctionsDemo {     
class Program     { 
        static void Main(string[] args)         {   
          int a = 15;   
          int b = a;  
           b = 30;        
     Console.WriteLine(a);   
          Console.ReadKey();         }     
} 
}

using System; 
namespace FunctionsDemo {    
 class Program     {     
    static void Main(string[] args)         {
           Employee Emp1 = new Employee(); 
           Emp1.EmployeeID = 1001;    
           Emp1.Name = 'James'  
           Employee Emp2 = Emp1;     
           Emp1.Name = 'Smith' 
           Console.WriteLine($'Emp1 Name = {Emp1.Name}');             
           Console.WriteLine($'Emp2 Name = {Emp2.Name}');             
           Console.ReadKey();          } 
    }      
public class Employee     {  
       public int EmployeeID; 
        public string Name;     } }

using System;  namespace FunctionsDemo {    
  class Program     {    
         static void Main(string[] args)         {      
     Employee Emp1 = new Employee();    
     Emp1.EmployeeID = 1001;  
          Emp1.Name = 'James'    
       UpdateName(Emp1);   
        Console.WriteLine($'Emp1 Name = {Emp1.Name}');                    Console.ReadKey();         }     
      public static void UpdateName(Employee Emp2)         {                    Emp2.Name = &quotSmith&quot        
      Console.WriteLine($'Emp2 Name = {Emp2.Name}');         }     }             public class Employee     {     
      public int EmployeeID;   
        public string Name;     } }

using System; namespace FunctionsDemo {  
   class Program     {    
     static void Main(string[] args)         {           
  Employee Emp1 = new Employee();    
         Emp1.EmployeeID = 1001;   
          Emp1.Name = 'James'    
          UpdateName(Emp1);   
          Console.WriteLine($'Emp1 Name = {Emp1.Name}');
             Console.ReadKey();         }     
     public static void UpdateName(Employee Emp2)         { 
            Emp2 = null;         }     }      
public class Employee     {     
    public int EmployeeID;
         public string Name;     } }

using System; namespace FunctionsDemo {    
 class Program     {        
 static void Main(string[] args)         {      
       Employee Emp1 = new Employee();    
         Emp1.EmployeeID = 1001;
             Emp1.Name = 'James'  
            UpdateName(ref Emp1);     
        Console.WriteLine($'Emp1 Name = {Emp1.Name}');
             Console.ReadKey();         }          
public static void UpdateName(ref Employee Emp2) { Emp2 = null;}     } 
    public class Employee     {     
    public int EmployeeID;
         public string Name;     } }