l7_8_1.cpp

《C++程序设计教程》电子教案及例题源码

#include <iostream.h>
class CBase1 
{
protected:
	int b;
public:
	CBase1(int x=0)
	{
		b=x;
	}
	int GetB()
	{
		return b;
	}
};

class CBase2 
{
protected:
	int b;
public:
	CBase2(int x=0)
	{
		b=x;
	}
	int GetB()
	{
		return b;
	}
};

class CDerived : public CBase1,private CBase2 
{
protected:
	int d;
public:
	CDerived(int x,int y, int z):CBase1(x),CBase2(y)
	{
		d=z;
	}
	void Output()
	{
		cout << d << "," << CBase1::b << "," << CBase2::b << endl;  
	}
};

void main()
{
	CDerived d1(1,2,3);
	int x = d1.CBase1::GetB();  //CDerived::GetB' is ambiguous
	d1.Output();
}