C#排序方法

//冒泡排序法
        static void BubbleSort(int[] w)  
        { 
              int hang=w.Length ;
              int temp;
              for(int i=0;i<hang-1;i++)
            {
                for (int j = i + 1; j < hang;j++ )

                    if ( w[i] > w[j])
                    {
                        temp = w[j];
                        w[j] = w[i];
                        w[i] = temp;
                    }
            }
        }

        //選擇排序法
        public static void selectionSort(int[] list)
        {
            int min;
            for (int i = 0; i < list.Length - 1; i++)
            {
                min = i;
                for (int j = i + 1; j < list.Length; j++)
                {
                    if (list[j] < list[min]) min = j;
                }
                int t = list[min];
                list[min] = list[i];
                list[i] = t;
            }
        }

        //插入排序法
        public static void insertSort(int[] list)
        {
            for (int i = 1; i < list.Length; ++i)
            {
                int t = list[i];
                int j = i;
                while ((j > 0) && (list[j - 1] > t))
                {
                    list[j] = list[j - 1];
                    j--;
                    list[j] = t;
                
                }
            }
        }

        static void Main(string[] args)
        {
            //int[][] arr = new int[2][];
            //arr[0] = new int[5] { 1, 3, 5, 7, 9 };
            //arr[1] = new int[4] { 2, 4, 6, 8 };
            //for (int i = 0; i < arr.Length; i++)
            //{
            //    System.Console.Write("Element({0}):", i);
            //    for (int j = 0; j < arr[i].Length; j++)
            //    {
            //        System.Console.Write("{0}{1}", arr[i][j],"  ");
            //    }
            //    System.Console.WriteLine();
            //}
            //    Console.ReadLine();

            int[] iArray = { 1, 5, 3, 6, 10, 55, 9, 2, 87 };
            Console.WriteLine("排序前：");
            foreach (int x in iArray) Console.Write("{0}", x);
            Console.WriteLine();
            Console.WriteLine("排序后：");
            selectionSort(iArray);
            foreach (int x in iArray) Console.Write("{0}", x);
            Console.ReadLine();

        }