?? ch14_4.cpp
字號:
//**********************
//** ch14_4.cpp **
//**********************
#include <iostream.h>
#include <string.h>
class Person{
public:
Person(char* pN);
Person(Person& p);
~Person();
protected:
char* pName;
};
Person::Person(char* pN)
{
cout <<"Constructing " <<pN <<endl;
pName=new char[strlen(pN)+1];
if(pName!=0)
strcpy(pName,pN);
}
Person::Person(Person& p)
{
cout <<"Copying " <<p.pName <<" into its own block\n";
pName=new char[strlen(p.pName)+1];
if(pName!=0)
strcpy(pName,p.pName);
}
Person::~Person()
{
cout <<"Destructing " <<pName <<endl;
pName[0]='\0';
delete pName;
}
void main()
{
Person p1("Randy");
Person p2=p1; //即Person p2(p1);
}
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