ArrayList 练习

  ArrayList list = new ArrayList();
            Random rd = new Random();

            for (int i = 0; i <10; i++)
            {
                int rNumber = rd.Next(0, 10);
                //是否包含当前数字
                if (!list.Contains(rNumber))
                {
                    list.Add(rNumber);
                }
                else {
                    i--;
                }
                
            }

            for (int i = 0; i < list.Count; i++)
            {
                Console.WriteLine(list[i]);
            }
            Console.ReadKey();