namespace Delegate
{
    delegate void DGSayiHi(string name);//聲明委托
    delegate void DGDo(string name);
    class Program
    {
        static void Main(string[] args)
        {
            DGSayiHi sayhi = new DGSayiHi(SayChineseHi);
            DGSayiHi sayhi2 = new DGSayiHi(SayEnglishHi);
            sayhi += sayhi2;//實際上+=相當于Delegate.Combine, -=相當于Delegate.Remove

            sayhi("春曉");
            Console.ReadLine();
        }
        static void SayChineseHi(string name)
        {
            Console.WriteLine("你好:" + name);
        }

        static void SayEnglishHi(string name)
        {
            Console.WriteLine("Hello:" + name);
        }

    }
}

public void BubbleSort(int[] array)
        {
            int length = array.Length;
            for (int i = 0; i < length - 1; i++)
            {
                for (int j = length - 1; j > i; j--)
                {
                    // 對兩個元素進行交換
                    if (array[j] < array[j - 1])
                    {
                        int temp = array[j];
                        array[j] = array[j - 1];
                        array[j - 1] = temp;
                    }
                }
            }
        }