unit2.h

描叙一个人的成长过程

//---------------------------------------------------------------------------

#ifndef Unit2H
#define Unit2H
//---------------------------------------------------------------------------
#endif
 class animal
 {
 public:
        void grow();
        int getage();
        int setage();
private:
        int age;
       
 
 } ;
 class person:public animal
 {
 private:
         bool hasmarry;
         bool hasbaby;
         int  babynum;
public:
        void init();
        void marry();
        void babyborn();
       bool getmarry();
        void getbabyborn();
        int getbabynum();
 };
 person ta ;