1.cpp

一、教学目的： 能理解C++中运算符重载的需要性

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

class Student
{
public:
      Student(char*pName="no name",int ssId=0)
	  {
		  id=ssId;
		  strcpy(name,pName);
		  cout<<"Constructing new student "<<pName<<endl;
	  }
	  Student(Student& s)//拷贝构造函数
	  {
		  cout<<"Constructing copy of "<<s.name<<endl;
		  strcpy(name,"copy of ");
		  strcat(name,s.name);
		  id=s.id;
	  }
	  ~Student()
	  {
		  cout<<"Destructing "<<name<<endl;
	  }
protected:
	char name[40];
	int id;
};
void fn(Student s)
{
	cout<<"In function fn()\n";
}
void main()
{
	Student randy("Randy",1234);
	cout<<"Calling fn() \n";
	fn(randy);
	cout<<"Returned from fn()\n";
}