Book클래스와 메인함수 사이를 채워서 결과는 도출 되는데 this없이 동일한 결과를 낼수 있을까요?
#include <iostream>
#include <cstring>
using namespace std;
class Book {
char* title;
int price;
public:
Book(const char* title, int price);
Book(const Book& b);
~Book();
void set(const char* title, int price);
void show() { cout << title << ' ' << price << "원" << endl; }
};
// 작성한 내용 : start
Book::Book(const char* title, int price) {
this->price = price;
int size = strlen(title) + 1;
this->title = new char[size];
strcpy(this->title, title);
}
Book::Book(const Book& b) {
this->price = b.price;
int size = strlen(b.title) + 1;
this->title = new char[size];
strcpy(this->title, b.title);
}
Book::~Book() {
delete[] title;
}
void Book::set(const char* title, int price) {
if (this->title) delete[] this->title;
this->price = price;
int size = strlen(title) + 1;
this->title = new char[size];
strcpy(this->title, title);
}
// 작성한 내용 : end
int main() {
Book cpp("C++", 10000);
Book java(cpp);
java.set("자바", 12000);
cpp.show();
java.show();
}
