冒泡排序数组

            int[] a = new int[] { 4, 8, 23, 12, 6, 28, 46, 9, 78, 54, 0 };

            int b;

            for (int i = 0; i < a.Length; i++)

            {

                for (int j = i + 1; j < a.Length; j++)

                {

                    if (a[i] > a[j])

                    {

                        b = a[j];

                        a[j] = a[i];

                        a[i] = b;

                    }

                }

            }

            foreach (var item in a)

            {

                Console.Write(item + "  ");

            }