Advanced Topics 5. Sorting Numbers

// Write a program that reads a number n and a sequence of n integers, sorts them and prints them.

namespace _05.SortingNumbers
{
    using System;

    public class SortingNumbers
    {
        public static void Main(string[] args)
        {
            checked
            {
                int countN;
                do
                {
                    Console.Write("Enter a non-negative Integer number, for Count of elements: ");
                }
                while (!int.TryParse(Console.ReadLine(), out countN) || countN < 0);

                int[] sequenceNums = ReadFromInputSequenceOfNumbersAndCreateArray(countN);
                Array.Sort(sequenceNums);
                PrintSortedArrayOfNumbers(sequenceNums);
            }
        }

        private static void PrintSortedArrayOfNumbers(int[] sortArr)
        {
            checked
            {
                if (sortArr.Length == 0)
                {
                    Console.WriteLine("The Sequence of Numbers is Empty!!!");
                }
                else
                {
                    Console.WriteLine("The Sorted Sequence of Numbers is:");
                    foreach (int num in sortArr)
                    {
                        Console.WriteLine(num);
                    }
                }
            }
        }

        private static int[] ReadFromInputSequenceOfNumbersAndCreateArray(int countN)
        {
            checked
            {
                int[] nums = new int[countN];
                for (int i = 0; i < nums.Length; i++)
                {
                    Console.Write("Enter the next Integer: ");
                    nums[i] = int.Parse(Console.ReadLine());
                }

                return nums;
            }
        }
    }
}