testadd.h

C++编成数据结构与程序设计方法 D.S.Malk编著

//header file testadd.h

#ifndef H_testAdd
#define H_testAdd

class testAddress
{
public:
    void setX(int);
    void printX() const;
    int& addressOfX();   //this function returns the address 
                         //of the private data member
private:
    int x;
};

#endif