• 多继承
  
• 实现这样的例子
  
• 测试程序

#include <stdio.h>
#include <iostream>

using namespace std;

class Sofa{
public:
	void watchTV(void){
		cout<<"watch TV"<<endl;
	}
};

class Bed{
public:
	void sleep(void){
		cout<<"sleep"<<endl;
	}
};

class Sofabed:public Sofa,public Bed{

};

int main()
{
	Sofabed s;
	s.sleep();
	s.watchTV();
	system("pause");
	return 0;
}

• testdemo2
  

#include <stdio.h>
#include <iostream>

using namespace std;
class Furniture{
private:
	int weight;
public:
	void setWeight(int w){this->weight = w;}
	int getWeight(void) const {return weight;}
};
class Sofa:virtual public Furniture{
public:
	void watchTV(void){
		cout<<"watch TV"<<endl;
	}
};

class Bed:virtual public Furniture{
public:
	void sleep(void){
		cout<<"sleep"<<endl;
	}
};

class Sofabed:public Sofa,public Bed{

};

int main()
{
	Sofabed s;
	s.sleep();
	s.watchTV();

	s.setWeight(100);

	system("pause");
	return 0;
}