WRITE A PROGRAM to show multiple inheritance
using class and interface.
using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication19
{
    class A
    {
       
public virtual void Show()
        {
           
Console.WriteLine("Show A");
        }
       
public void Disp() { }
    }
   
interface Z
    {    void Call();
    }
    class B
: A, Z
    {
       
public override void Show()
        {
           
Console.WriteLine("Show B");
        }
       
public void Call()
        {
           
Console.WriteLine("Call B");
        }
    }
      class
Demo
      {
       
static void Main(string[] args)
        {
           
B b = new B();
           
Console.WriteLine("----B---");
           
b.Show(); // will call show() of B class
           
b.Call(); // will call call() of B class
           
A a = b;
           
Console.WriteLine("---(A=B)--");
           
a.Show(); // will call show() of B class
           
Console.ReadLine();
        }
    }
}