static void Main(string[] args) { string s1 = "A", s2 = "a"; Console.WriteLine(s1.MoreThen(s2)); Console.WriteLine(s1.LessThen(s2)); List<int> arr = new List<int> { 1, 2, 3 }; Console.WriteLine(arr.Implode()); Console.WriteLine(arr.ListToJSON()); Dictionary<int, char> vocabulary = new Dictionary<int, char>(); for (int i = 65; i < 70; i++) { vocabulary.Add(i, Convert.ToChar(i)); } Console.WriteLine(vocabulary.DictionaryToJSON()); Test test = new Test(10, "abc"); Console.WriteLine(test.ClassToJSON()); Console.ReadKey(); }