using System;

namespace Samples
{
    class StringLength
    {
        public static void Sample()
        {
            string[] words = new string[]
            {
                "Apple",
                "Banana",
                "Cherry",
                "Pear",
            };

            CalculateStringLength(words, PrintStingLength);
        }

        private static void CalculateStringLength(string[] words, Action<int[]> callback)
        {
            int[] lengths = new int[words.Length];
            for (int i = 0; i < words.Length; i++)
            {
                lengths[i] = words[i].Length;
            }

            if (callback != null)
                callback(lengths);
        }

        private static void PrintStingLength(int[] lengths)
        {
            foreach (int length in lengths)
            {
                Console.WriteLine(length);
            }
        }
    }
}