+++++Абстракция данных

++ Создайте класс с именем Книга. Пусть он содержит два разных конструктора
#include
#include

class Book {

public:
Book() {
title = "";
author = "";
year = 0;
}
Book(std::string bookTitle, std::string bookAuthor) {
title = bookTitle;
author = bookAuthor;
year = 0;
}
Book(std::string bookTitle, std::string bookAuthor, int bookYear) {
title = bookTitle;
author = bookAuthor;
year = bookYear;
}
std::string getTitle() {
return title;
}
std::string getAuthor() {
return author;
}
private:
std::string title;
std::string author;
int year;
};
int main() {
Book defaultBook;
Book titleAuthorBook("The Great Gatsby", "F. Scott Fitzgerald");
Book fullBook("The Catcher in the Rye", "J.D. Salinger", 1951);
std::string defaultTitle = defaultBook.getTitle();
std::string defaultAuthor = defaultBook.getAuthor();
std::string titleAuthorTitle = titleAuthorBook.getTitle();
std::string titleAuthorAuthor = titleAuthorBook.getAuthor();
std::string fullTitle = fullBook.getTitle();
std::string fullAuthor = fullBook.getAuthor();
std::cout << "Default Book's Title: " << defaultTitle << ", Author: " << defaultAuthor << std::endl;
std::cout << "Title and Author Book's Title: " << titleAuthorTitle << ", Author: " << titleAuthorAuthor << std::endl;
std::cout << "Full Book's Title: " << fullTitle << ", Author: " << fullAuthor << std::endl;
return 0;
}


++ Создайте класс с именем Книга. Пусть он содержит два разных конструктора.
. Используйте указатель this внутри класса
#include
#include
class Book {
public:
Book() {
this->title = "";
this->author = "";
this->year = 0;
}
Book(std::string title, std::string author) {
this->title = title;
this->author = author;
this->year = 0;
}
Book(std::string title, std::string author, int year) {
this->title = title;
this->author = author;
this->year = year;
}
std::string getTitle() {
return this->title;
}
std::string getAuthor() {
return this->author;
}
private:
std::string title;
std::string author;
int year;
};
int main() {
Book defaultBook;
Book titleAuthorBook("The Great Gatsby", "F. Scott Fitzgerald");
Book fullBook("The Catcher in the Rye", "J.D. Salinger", 1951);

std::string defaultTitle = defaultBook.getTitle();

std::string defaultAuthor = defaultBook.getAuthor();
std::string titleAuthorTitle = titleAuthorBook.getTitle();
std::string titleAuthorAuthor = titleAuthorBook.getAuthor();
std::string fullTitle = fullBook.getTitle();
std::string fullAuthor = fullBook.getAuthor();
std::cout << "Default Book's Title: " << defaultTitle << ", Author: " << defaultAuthor << std::endl;
std::cout << "Title and Author Book's Title: " << titleAuthorTitle << ", Author: " << titleAuthorAuthor << std::endl;
std::cout << "Full Book's Title: " << fullTitle << ", Author: " << fullAuthor << std::endl;
return 0;
}