ch12_11.cpp

本文档是C＋＋程序设计教程系列的部分辅助代码。

//***********************
//**    ch12_11.cpp    **
//***********************

#include <iostream.h>
#include <string.h>

class StudentID{
public:
  StudentID(int id=0)
  {
    value=id;
    cout <<"Assigning student id " <<value <<endl;
  }
  ~StudentID()
  {
    cout <<"Destructing id " <<value <<endl;
  }
protected:
  int value;
};

class Student{
public:
  Student(char* pName="noName",int ssID=0)
  {
    cout <<"Constructing student " <<pName <<endl;
    strncpy(name,pName,sizeof(name));
    name[sizeof(name)-1]='\0';
    StudentID id(ssID);     //希望将学号传给学号类对象
  }
protected:
  char name[20];
  StudentID id;
};

void main()
{
  Student s("Randy",9818);
}