pomogite( ne rabotaet.......
package com.javarush.task.task15.task1504;
import java.util.LinkedList;
import java.util.List;
/*
ООП - книги
*/
public class Solution {
public static void main(String[] args) {
List<Book> books = new LinkedList<Book>();
books.add(new MarkTwainBook("Tom Sawyer"));
books.add(new AgathaChristieBook("Hercule Poirot"));
System.out.println(books);
}
abstract static class Book {
private String author;
public Book(String author) {
this.author = author;
}
public abstract String getBook();
public abstract String getTitle();
private String getOutputByBookType() {
String markTwainOutput = getBook().getTitle() + " book was written by " +getBook().author;
String agathaChristieOutput = author + ", " + getBook().getTitle() + " is a detective";
String output = null;
if (this instanceof MarkTwainBook ){
output = markTwainOutput;
}
else if (this instanceof MarkTwainBook ){
output = agathaChristieOutput;
}
return output;
}
public String toString() {
return getOutputByBookType();
}
}
public static class MarkTwainBook extends Book {
private String author = "Mark Twain";
private String title;
public MarkTwainBook (String title) {
super("Mark Twain");
this.title = title;
}
public Book getBook()
{
return this;
}
public String getTitle()
{
return title;
}
public String toString()
{
return super.toString();
}
}
public static class AgathaChristieBook extends Book {
private String author= "Agatha Christie";
private String title;
public AgathaChristieBook (String title) {
super("Agatha Christie");
this.title = title;
}
public Book getBook(){
return this;
}
public String getTitle(){
return title;
}
public String toString() {
return super.toString();
}
}
}