maxOccuredValuesFromArray.cs

using System.Linq;


static void Main(string[] args)
        {
            int[] array = { 10, 5, 10, 2, 2, 3, 4, 5, 5, 6, 7, 8, 9, 11, 12, 12 };
            var dict = new Dictionary<int, int>();

            foreach (var value in array)
            {
                if (dict.ContainsKey(value))
                    dict[value]++;
                else
                    dict[value] = 1;
            }

            foreach (var pair in dict)
                Console.WriteLine("Value {0} occurred {1} times.", pair.Key, pair.Value);


            Console.WriteLine(dict.Values.Max());

            foreach (var item in dict)
            {
                if ( dict.Values.Max() == item.Value)
                {
                    Console.WriteLine("This is max val {0}",item);
                }

            }

        }