http://books.google.com/books?id=iWPeqljHNcoC&printsec=frontcover&dq=Practical+Java&source=bl&ots=O8LFRGiigN&sig=gOuukhBRVq_DxY3JlFcG5sL0I5g&hl=zh-CN&ei=P8B3TJK6DIS6vQPRzrzDBg&sa=X&oi=book_result&ct=result&resnum=2&ved=0CB8Q6AEwAQ