Extends class and implements interface : Class Definition « Class « C# / CSharp Tutorial

Home
C# / CSharp Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statement
5.String
6.struct
7.Class
8.Operator Overload
9.delegate
10.Attribute
11.Data Structure
12.Assembly
13.Date Time
14.Development
15.File Directory Stream
16.Preprocessing Directives
17.Regular Expression
18.Generic
19.Reflection
20.Thread
21.I18N Internationalization
22.LINQ
23.GUI Windows Forms
24.Windows Presentation Foundation
25.Windows Communication Foundation
26.Workflow
27.2D
28.Design Patterns
29.Windows
30.XML
31.XML LINQ
32.ADO.Net
33.Network
34.Directory Services
35.Security
36.unsafe
C# / C Sharp
C# / C Sharp by API
C# / CSharp Open Source
C# / CSharp Tutorial » Class » Class Definition 
7.1.14.Extends class and implements interface
using System;
using System.Collections.Generic;
using System.Text;

interface Talkable
{
   string Table();
}

class Animal { }

class Cat : Animal, Talkable
{
   string Talkable.Table() { 
       return "miao"
   }
}

class Dog : Animal, Talkable
{
   string Talkable.Table(){ 
      return "bulk"
   }
}

class Elephant : Animal
{
    
}

class MainClass
{
   static void Main()
   {
      Animal[] AnimalArray = new Animal[3];

      AnimalArray[0new Cat();
      AnimalArray[1new Elephant();
      AnimalArray[2new Dog();

      foreach (Animal a in AnimalArray)
      {
         Talkable b = a as Talkable;
         if (b != null)
            Console.WriteLine("Baby is called: {0}", b.Table());
      }
   }
}
Baby is called: miao
Baby is called: bulk
7.1.Class Definition
7.1.1.Class Fundamentals
7.1.2.The General Form of a Class
7.1.3.A Simple Class showing class definition syntax
7.1.4.A simple, but complete, C# class.
7.1.5.A Simple Class with member fields and constrctor
7.1.6.Declare an object of type Building
7.1.7.Create two objects for one class
7.1.8.Copy a class
7.1.9.Encapsulation example
7.1.10.Class can contain class
7.1.11.Inherited member methods and fields
7.1.12.Reference to Base Class
7.1.13.Implement multiple interfaces
7.1.14.Extends class and implements interface
7.1.15.C# Accessibility Keywords
7.1.16.The modifiers can be applied to members of types, and have various uses.
7.1.17.Value Types: class vs struct
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.