ArrayList 练习

  ArrayList list = new ArrayList();

            Random rd = new Random();

            for (int i = ; i <; i++)

            {

                int rNumber = rd.Next(, );

                //是否包含当前数字

                if (!list.Contains(rNumber))

                {

                    list.Add(rNumber);

                }

                else {

                    i--;

                }

            }

            for (int i = ; i < list.Count; i++)

            {

                Console.WriteLine(list[i]);

            }

            Console.ReadKey();