C#. Multi inheritance of interfaces

123

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

namespace InterfacesMultiInheritance
{
    class Program
    {
        static void Main(string[] args)
        {
        }
    }

    public interface IDrawable { void Draw(); }
    public interface IPrintable { void Draw(); void Print(); } // possible names conflict
    public interface IShape : IDrawable, IPrintable { int GetNumberOfSides(); }

    class Rectangle : IShape // not explicit
    {
        public void Draw()
        {
          //  throw new NotImplementedException();
        }

        public int GetNumberOfSides()
        {
            return 4;
            //   throw new NotImplementedException();
        }

        public void Print()
        {
           // throw new NotImplementedException();
        }
    }

    class Rectangle2 : IShape // not explicit
    {
        void IPrintable.Draw()
        {
         //   throw new NotImplementedException();
        }

        void IDrawable.Draw()
        {
           // throw new NotImplementedException();
        }

        int IShape.GetNumberOfSides()
        {
            return 4;
            //throw new NotImplementedException();
        }

        void IPrintable.Print()
        {
            //throw new NotImplementedException();
        }
    }


}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace InterfacesMultiInheritance

{

class Program

{

static void Main(string[] args)

{

}

public interface IDrawable { void Draw(); }

public interface IPrintable { void Draw(); void Print(); } // possible names conflict

public interface IShape : IDrawable, IPrintable { int GetNumberOfSides(); }

class Rectangle : IShape // not explicit

{

public void Draw()

{