@@ -0,0 +1,193 @@
+package vo;%0D%0A%0D%0Apublic class Book extends Document %7B%0D%0A%09private String isbn;%0D%0A%0D%0A%09public String getIsbn() %7B%0D%0A%09%09return isbn;%0D%0A%09%7D%0D%0A%0D%0A%09public void setIsbn(String isbn) %7B%0D%0A%09%09this.isbn = isbn;%0D%0A%09%7D%0D%0A%7D%0D%0A

Add and Finish VO - Book