Interface concept using C# Language
Jun 30, 2018
interface,
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This Program is used to demonstrate the Interface concept.
using System;
interface shape
{
void area();
}
public class square : shape
{
public int i;
public void area()
{
Console.Write("\nEnter the Side : ");
i = int.Parse(Console.ReadLine());
Console.WriteLine("\nArea of Square is : {0}",(i*i));
}
}
public class circle : shape
{
public double i;
public void area()
{
Console.Write("\n\nEnter the Radius : ");
i = double.Parse(Console.ReadLine());
Console.WriteLine("\nArea of Circle is : {0}",(3.14*i*i));
}
}
public class exam
{
public static void Main()
{
shape s;
square k = new square();
circle c = new circle();
s=k;
k.area();
s=c;
c.area();
}
} 