摘要：
class Program { static void Main(string[] args) { //Single s1 = new Single(); Single s1 = Single.Default(); Console.WriteLine(s1.Num); s1.Num = 100; Single s2 = Single.Default(); Console.WriteLine(s2.Num); ... 阅读全文
摘要：
class Program { static void Main(string[] args) { int num = 10; //下边是装箱,是在堆中开辟一个空间存储num,不是简单的赋值 object o = num; //下边是拆箱,就是从堆中把数据取出来,在转化赋值给栈中的num2 int num2 = (int)o; Mys s=new Mys(); Myc c=new Myc(); ... 阅读全文