这句话的意思是声明了一个叫做Assemble的泛型类，然后T的限制为必须要有一个无参构造器。public class Assemble where T:new(){public string SayHello (T object){T ass=new T();return ass.ToString();}}public class legal{ public legal(){}}public class notlegal{public notlegal(string someting){}}当声明Assemble ass=new ...
