elitepvpers - Was habt ihr als letztes kopiert?

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Sido feat Mario Barth - Ick Liebe Dir.

Code:

int rating = 0;



    Map<IBook, Integer> books = new HashMap<IBook, Integer>();



    /**

     * Add a rated book to the shelf.

     * 

     * @param book

     *            the book to add

     * @param rating

     *            how much did you like this book?

     * @throws NullPointerException

     *             if book is null

     */



    @Override

    public void addBook(IBook book, int rating) {



        if (book.getYear() < 1900) {



            throw new IllegalArgumentException("release date < 1900");



        }



        if (book.getTitle().isEmpty()) {



            throw new IllegalArgumentException("kein Buchtitel gebeben");



        }



        if (book.getAuthors() == null || book.getAuthors().isEmpty()) {



            throw new IllegalArgumentException("keine Authoren vorhanden");



        }



        if (books.containsKey(book)) {



            throw new IllegalArgumentException(

                    "Das selbe Buch ist schon Vorhanden");



        }



        for (Map.Entry<IBook, Integer> e : books.entrySet()) {



            if (book.getAuthors().equals(e.getKey().getAuthors())

                    && book.getTitle().equals(e.getKey().getTitle())

                    && book.getYear() == e.getKey().getYear()) {



                throw new IllegalArgumentException();



            }



        }

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Code:

    /**

     * Add a rated book to the shelf.

     * 

     * @param book

     *            the book to add

     * @param rating

     *            how much did you like this book?

     * @throws NullPointerException

     *             if book is null

     */

[11:36:25] Emir / iGotTnT: Immernoch bei 303 !

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