泛型方法

 public static int Find<T>(T[] items,T item)
       {
           for (int i = 0; i < items.Length; i++)
           {
               if (items[i].Equals(item))
               {
                   return i;
               }
           }
           return -1;
       }
    }

 

 

int i = Family.Find<int>(new int[] { 1, 2, 3, 4, 5, 6, 8, 9 }, 6);
            Console.WriteLine("6数组中的位置：" + i.ToString());
            Console.ReadLine();