using System;

public class Program

{

    public static void Main()

    {

        var propClassObj = new PropertyClass();

        Console.WriteLine(propClassObj.CapitalString);

    }

}

​

public class PropertyClass

{

    // private backing field

    private string internalString = "hello world";

​

    // public property

    public string CapitalString 

    {

        get 

        {

            return internalString.ToUpper();

        }

    }

}