/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static class Book {
		public Book(String name, String author, String isbn) {
			this.name = name;
			this.author = author;
			this.isbn = isbn;
		}
		
		protected String name, author, isbn;
		
		@Override
		public String toString() {
			return name + "," + author + "," + isbn;
		}
	}
	
	private static ArrayList<Book> books = new ArrayList<>();
	public static void fillArrayListOfBooks() {
    	for (int i = 0; i < 10; i++) {
	        books.add(new Book("Book" + i, "Author" + i, "isbn" + i));
	    }
	}
	
	public static void main (String[] args) throws java.lang.Exception
	{
		fillArrayListOfBooks();
		for (Book b : books) {
			System.out.println(b);
		}
	}
}