l7_11.cpp

《C++程序设计教程》电子教案及例题源码

#include <iostream.h>
class CBase0 
{
protected:
	int b0;
public:
	CBase0(int x)
	{
		b0 = x;
		cout << "construct CBase0 " << b0 << endl;
	}
};

class CBase1 : virtual public CBase0 
{
public:
	CBase1(int x=0) : CBase0(x)
	{
		cout << "construct CBase1 " << x << endl;
	}
};

class CBase2 : virtual public CBase0 
{
public:
	CBase2(int x=0) : CBase0(x)
	{
		cout << "construct CBase2 " << x << endl;
	}
};

class CDerived : public CBase1,public CBase2 
{
private:
	CBase0 B0;
	CBase1 B1;
	CBase2 B2;
public:
	CDerived(int x,int y,int z,int a, int b, int c):CBase0(x),CBase1(y),CBase2(z),B0(a),B1(b),B2(c)
	{
		cout << "construct CDerived " << x  <<"," << y << "," << z << endl;
	}
};

void main()
{
	CDerived d1(10,15,20,25,30,35);
}