# Library.java

    /*
     * Copyright (c) 2008, Rickard Öberg. All Rights Reserved.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     *
     */

    package org.qi4j.tutorials.services.step1;

    /**
     * Simple POJO service
     */
    public class Library
    {
        public Book borrowBook( String author, String title )
        {
            Book book = new Book( title, author );
            System.out.println( "Book borrowed: " + book.getTitle() + " by " + book.getAuthor() );
            return book;
        }

        public void returnBook( Book book )
        {
            System.out.println( "Book returned: " + book.getTitle() + " by " + book.getAuthor() );
        }
    }