What are some examples of interfaces in C#?

What are some examples of interfaces in C#?

In C#, an interface is a contract that defines a set of methods and properties that implementing classes must provide. For example, you might have an interface called IDrawable with a method Draw(). Any class that implements IDrawable must provide its own implementation of the Draw() method.

Can you give me a specific code example?

Sure! Here's a simple example:

public interface IDrawable
{
    void Draw();
}

public class Circle : IDrawable
{
    public void Draw()
    {
        Console.WriteLine("Drawing a circle.");
    }
}

public class Square : IDrawable
{
    public void Draw()
    {
        Console.WriteLine("Drawing a square.");
    }
}

How do I implement multiple interfaces in a class?

You can implement multiple interfaces in a class by separating them with commas. For example:

public interface IShape
{
    void Draw();
}

public interface IColorable
{
    void Color();
}

public class Rectangle : IShape, IColorable
{
    public void Draw()
    {
        Console.WriteLine("Drawing a rectangle.");
    }

    public void Color()
    {
        Console.WriteLine("Coloring the rectangle.");
    }
}

What are the benefits of using interfaces?

Using interfaces promotes a clean separation of concerns, allows for polymorphism, and makes your code more flexible and testable.