本代码是《C／C++程序员实用大全》的配套代码。网络转载

				#include 
				
				class sample
				{
				public:
					int who;
					sample(int id);
				} global_obj1(1), global_obj2(2);
				
				sample::sample(int id)
				{
					cout 					who = id;
				}
				
				void main(void)
				{
					sample local_obj(3);
					cout 					sample local_obj2(4);
				}