using System;
using System.Collections.Generic;
using System.Text;
namespace IndirectInjection
{
class Program
{
static void Main(string[] args)
{
IMaths im = new Maths();
Console.WriteLine(im.add(3, 2).ToString());
Console.ReadLine();
}
}
public interface IMaths
{
int add(int a, int b);
int sub(int a, int b);
}
public class Maths : IMaths
{
public int add(int a, int b)
{
return (a + b);
}
public int sub(int a, int b)
{
return (a - b);
}
}
}