ch12_10.cpp

本文档是C＋＋程序设计教程系列的部分辅助代码。

//***********************
//**    ch12_10.cpp    **
//***********************

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

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

class Student{
public:
  Student(char* pName="noName")
  {
    cout <<"Constructing student " <<pName <<endl;
    strncpy(name,pName,sizeof(name));
    name[sizeof(name)-1]='\0';
  }
protected:
  char name[20];
  StudentID id;
};

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