21天学通c++之第二周 指针 8.6 访问自由存储区中对象的成员数据

#include<iostream>

using namespace std;

class simplecat

{

public:

simplecat(){itsage=2;}

~simplecat(){}

int getage() const {return itsage;}

void setage(int age){itsage=age;}

private:

int itsage;

};

int main()

{

simplecat *frisky=new simplecat;

cout<<"frsky is "<<frisky->getage()<<"years old."<<endl;

frisky->setage(5);

cout<<"frsky is "<<frisky->getage()<<"year old."<<endl;

delete frisky;

return 0;

}