명품 C++ Programming 실습문제 5장 8번

#include <iostream>
#include <string>
using namespace std;
 
class Book {
    char *title;
    int price;
public:
    Book(const char* title, int price) {
        this->price = price;
        int size = strlen(title);
        this->title = new char[size + 1];
        strcpy(this->title, title);
    }
    Book(Book &b) {
        this->price = b.price;
        int size = strlen(b.title);
        this->title = new char[size + 1];
        strcpy(this->title, b.title);
    }
    ~Book() { delete[]title; }
    /* (2) 디폴트 복사생성자 
    Book(Book &b){
        this->title = title;
        this->price = price;
    } */
    void set(const char* title, int price) {
        this->price = price;
        int size = strlen(title);
        this->title = new char[size + 1];
        strcpy(this->title, title);
    }
    void show() { cout << title << ' ' << price << "원" << endl; }
};
 
int main() {
    Book cpp("명품 C++", 10000);
    Book java = cpp;
    java.set("명품자바", 12000);
    cpp.show();
    java.show();
}