Namespaces prevent name conflicts : Namespace « Language Basics « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Language Basics
3. Namespace

using System;  
  
namespace Counter {  
  class MyClass {  
    public MyClass(){
      Console.WriteLine("Counter1 namespace."); 
    }
  }  
}  
 
namespace Counter2 {  
  class MyClass { 
    public MyClass() { 
      Console.WriteLine("Counter2 namespace."); 
    } 
  } 
} 
 
class MainClass {  
  public static void Main() {  
    // This is CountDown in the Counter namespace. 
    Counter.MyClass m1 = new Counter.MyClass();  
 
    // This is CountDown in the default namespace. 
    Counter2.MyClass m2 = new Counter2.MyClass(); 
 
  }  
}

Counter1 namespace.
Counter2 namespace.