main.cpp

this a good book.

#include<iostream.h>

class C0
{
public:
	C0(int i,int j)
	{
		a = i;
		b = j;
	}
/**********found**********/
	virtual void move(int x;int y)
	{
		a+=x;
		b+=y; 
	}
	void print()
	{
		cout<<"("<<a<<","<<b<<")"<<endl;
	}
public:
	int a,b;
};
class C1: public C0
{
public:
	/**********found**********/
	C1(int i,int j,int k,int l):(i,j)
	{
		x= k;
		y= l;
	}
	void print()
	{
		cout<<x<<","<<y<<endl;
	}
	void fun()
	{
		move(3,5);
	}
	/**********found**********/
	void f1()
	{
		print();
	}
private:
	int x,y;
};


void main()
{
	C0 obj(1,2);
	obj.print();

	C1 obj1(3,4,5,6);
	obj1.fun();
	obj1.print();
	obj1.f1();

	
}