Write a C# Sharp program to reverse a given string in uppercase

using System;
using System.Linq;
namespace exercises
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Original string: php");
            Console.WriteLine("Said string in uppercase: " + test("php"));
            Console.WriteLine("Original string: java");
            Console.WriteLine("Said string in uppercase: " + test("java"));
            Console.WriteLine("Original string: abcd");
            Console.WriteLine("Said string in uppercase: " + test("abcd"));
        }
        public static string test(string text)
        {
            return new string(text.ToCharArray().Reverse().ToArray()).ToUpper();
        }
    }
}