Reference one object by multiple interfaces : Object Reference « Class « C# / CSharp Tutorial

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C# / CSharp Tutorial » Class » Object Reference 
7.3.15.Reference one object by multiple interfaces
using System;

interface Interface1 {
      void PrintOut(string s);
}

interface Interface2 {
      void PrintOut(string s);
}

class MyClass : Interface1, Interface2
{
   public void PrintOut(string s)
   {
      Console.WriteLine(s);
   }
}

class MainClass
{
   static void Main()
   {
      MyClass mc = new MyClass();
      Interface1 ifc1 = (Interface1)mc;
      Interface2 ifc2 = (Interface2)mc;

      mc.PrintOut("object.");
      ifc1.PrintOut("interface 1.");
      ifc2.PrintOut("interface 2.");
   }
}
 
object.
interface 1.
interface 2.
7.3.Object Reference
7.3.1.Declare class fields and methods
7.3.2.Declare a House object reference named myHouse
7.3.3.Creating a House object and assigning its memory location to myHouse
7.3.4.Assign values to the House object's fields using object renerence
7.3.5.Display the field values using object reference
7.3.6.Declare another House object reference and create another House object
7.3.7.Change the object referenced by the myHouse object reference to the object referenced by yourHouse
7.3.8.Reference type equals: complex number
7.3.9.Reference equals
7.3.10.Reference a static member function without using the class name
7.3.11.Overridden Equals()
7.3.12.Reference an object by interface and class
7.3.13.Pass reference type variable without 'out' and 'ref'
7.3.14.Use interface as reference
7.3.15.Reference one object by multiple interfaces
7.3.16.Class comparison
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