随机把数组内的元素打乱,重新排列
public static void Shuffle<T>(T[] array)
{
Random random = new Random();
for (int i = 0; i < 10; i++)
{
int idx = random.Next(i, 10);
//swap elements
T tmp = array[i];
array[i] = array[idx];
array[idx] = tmp;
}
}
