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    [°³¹ß/ÇÁ·Î±×·¥]

    C++ °ü·Ã... this ¾øÀÌ °á°ú µµÃâ °¡´ÉÇÒ±î¿ä?

    rank È«µé¶û 2021-10-06 (¼ö) 23:20 Á¶È¸ : 1095

    BookŬ·¡½º¿Í ¸ÞÀÎÇÔ¼ö »çÀ̸¦ ä¿ö¼­ °á°ú´Â µµÃ⠵Ǵµ¥ this¾øÀÌ µ¿ÀÏÇÑ °á°ú¸¦ ³¾¼ö ÀÖÀ»±î¿ä?


    #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 << "¿ø" << endl; }

       

    };

    // ÀÛ¼ºÇÑ ³»¿ë : 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);

    }


    // ÀÛ¼ºÇÑ ³»¿ë : end


    int main() {

       Book cpp("C++", 10000);

       Book java(cpp);

       java.set("ÀÚ¹Ù", 12000);

       cpp.show();

       java.show();

    }

    ¿äûÀÚ°¡ ÀÚ½ÅÀÇ 500Æ÷ÀÎÆ®¸¦ °É¾ú½À´Ï´Ù. ¿äûÀÌ Ã¤ÅõǸé 250Æ÷ÀÎÆ®¸¦ µå¸³´Ï´Ù.
    ´ñ±Û 4°³ ´ñ±Û¾²±â
    ranklovenall 2021-10-06 (¼ö) 23:42
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    ±×·¯¸é º¯¼ö¸íÀÌ °ãÄ¡Áö ¾Ê°Ô ÇؾßÇÕ´Ï´Ù
         
           
    rankÈ«µé¶û ±Û¾´ÀÌ 2021-10-07 (¸ñ) 00:04
    * ºñ¹Ð±Û ÀÔ´Ï´Ù.
    rank»êµ¹¸¶À» 2021-10-08 (±Ý) 16:42
    * ºñ¹Ð±Û ÀÔ´Ï´Ù.
    rankÀ̳ª¿µ 2021-10-13 (¼ö) 23:24
    * ºñ¹Ð±Û ÀÔ´Ï´Ù.

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