ch12_12.cpp

来自「本文档是（作者：钱能）《C＋＋程序设计教程》系列的部分辅助代码。 选题编辑：张」· C++ 代码 · 共 39 行

//***********************
//**    ch12_12.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="no name",int ssID=0):id(ssID)
  {
    cout <<"Constructing student " <<pName <<endl;
    strncpy(name,pName,sizeof(name));
    name[sizeof(name)-1]='\n';
  }
protected:
  char name[20];
  StudentID id;
};

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