Method Overloading

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

    public class Program : abc              \\Main class
    {
        public static void Main(string[] args)
        {
            System.Console.WriteLine("I m main class");
            abc x = new abc();
            x.add(7, 9);
            x.add("hello ", "world");
        }
    }
    public class abc                                   \\ inheritted class for Method overloading
    {
        public void add(int a, int b)
        {
            int c = a + b;
            System.Console.WriteLine(c);
        }
        public void add(string a, string b)         \\ Overloaded method(add())
        {
            string c = a + b;
            System.Console.WriteLine(c);
        }
    }