C# Aliasing Types and Namespaces

using System;/*from   ww w .  j a va 2 s .co  m*/
using MyAlias = A;
namespace A{
   class ClassA{
   
   }
   namespace B{
      class classB : ClassA{
      
      }
   }

}

class Program
{
    static void Main(string[] args)
    {
        new MyAlias.ClassA();
    }
}

using ThatConsoleClass = System.Console;
/*from   w  ww .  j  a v  a2s.c  om*/
class MainClass
{
    public static void Main()
    {
        ThatConsoleClass.WriteLine("Hello");
    }
}

using System;  //from  w w  w.jav  a 2  s  .  c  o  m
  
using Counter; 
using AnotherCounter; 
 
// Give Counter an alias called Ctr. 
using Ctr = Counter;  
  
namespace Counter {  
  class MyClass { 
  }  
}  
 
namespace AnotherCounter {  
  class MyClass { 
  } 
} 
 
class MainClass {  
  public static void Main() {  
 
    Ctr::MyClass m = new Ctr::MyClass();  
  }  
}