继承中的特殊关系隐藏

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#include<iostream>
using namespace std;
class person
{
protected:
	int age;
public:
	void print()
	{cout<<age<<endl;}
/*	person()
	{age=18;}
	*/


};
class worker:public person
{
private:
	int age;
public:
	void print()
	{cout<<age<<endl;}
	worker()
	{age=20;person::age=18;}
};
void main()
{
	worker A;
	A.print();//调用类子类函数
	A.person::print();//调用父类函数
}