Information Technology Reference
In-Depth Information
Example with a Simple Interface
The following code declares an interface named
IIfc1
, which contains a single method named
PrintOut
. Class
MyClass
implements interface
IIfc1
by listing it in its base class list and supply-
ing a method named
PrintOut
that matches the signature and return type of the interface
member.
Main
creates an object of the class and calls the method from the object.
interface IIfc1
Semicolon in place of body
// Declare interface
{
↓
void PrintOut(string s);
}
Implement interface
↓
class MyClass : IIfc1 // Declare class
{
public void PrintOut(string s) // Implementation
{
Console.WriteLine("Calling through: {0}", s);
}
}
class Program
{
static void Main()
{
MyClass mc = new MyClass(); // Create instance
mc.PrintOut("object."); // Call method
}
}
This code produces the following output:
Calling through: object.
