《C／C++程序员实用大全》配套代码,适用初学C++的人员。

				#include 
				
				class base 
				{
				 protected:
				   int i;
				 public:
				   base(int x) 
				   {
				     i=x;
				     cout 				   }
				   ~base(void) {cout 				 };
				
				class derived : public base 
				{
				   int j;
				 public:
				   // derived uses x; base uses y.
				   derived(int x, int y): base(y)
				     {
					   j=x; 
					   cout 				   }
				   ~derived(void) {cout 				   void show(void) {cout 				 };
				
				void main(void)
				 {
				   derived object(3,4);
				
				   object.show();                // Displays 4, 3
				 }