using System;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");

            User first = new User();
            first.getData();
            first.setData("user1", "123123");
            first.getData();
        }
    }

    class User
    {
        // properties
        string username;
        string password;
        string email;
        // constructor
        /*
        public User(string nUsername, string nPassword)
        {
            username = nUsername;
            password = nPassword;
        }
        */
        // functions
        public void setData(string nUsername, string nPassword)
        {
            username = nUsername;
            password = nPassword;
        }
        public void getData()
        {
            Console.WriteLine("User details u: " + username + " p: " + password);
        }
    }

}