Answer / senthil

An Interface is a reference type and it contains only
abstract members. the interface contains only declaration
for its members. Any implementation must be placed in class
that realizes them. Interface's members can be Events,
Methods, Properties and Indexers. But

Answer / krishnaveni.k

An Interface is a reference type. In C# and java not
support the multiple inheritance so i am using interface
concept.A class can implement multiple interfaces and using
interface keyword.It contain only method declaretion. but
not implementaion

Answer / mahesh

It contains only Function Prototype (Function Declaration)

Answer / dharmendra kumar

Interface is a syntactical contract that all the derived
classes should follow.

public interface MotorStateObject
{
int State{ get;}

void Running();

void Stop();

int Speed { set;get; }

}
public class Car : MotorStateObject
{ .....
}

public class Bike : MotorStateObject
{......
}

public class Bus : MotorStateObject
{......
}

public class MotorState()
{
public void applybrake(MotorStateObject Object)

{
MotorStateObject.Stop();
}
}

Answer / srinivasa reddy

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace InterfaceExample
{
interface IA
{
void MethodA();
}
class Program : IA
{
static void Main(string[] args)
{
IA InterfaceA = new Program();
InterfaceA.MethodA();
Console.ReadKey();
}

void IA.MethodA()
{
Console.WriteLine("This is a test");
}

}
}

Answer / radhika

An interface defines a contract for a class.The name of an
interface begins with a capital I.interface doesnot
contains any method implementations.The class that
implements the interface must provide all the
implementation for the members defined in that interface.

Answer / mohit bhandari

An interface is a named set of method signatures.Interfaces
can also define events and properties because all of these
are just syntax shorthands that map to methods anyway.
In C#, interface keyword is used to define an interface,
giving it a name and its set of instance method signatures.
e.g.
public interface IDisposable {
void Dispose();
}

Answer / lakshman

interface is a collection of abstract members i.e semi implementation block..interface is used to implement the of multiple inheritance

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