Whenever there is an application to write, breaking it up to small pieces is a great idea. The smallest piece of any application would probably be a data object, or a simple Bean in Java. Java Beans are simple Java classes that have a distinctive loo

改文件是基于java的网上书店销售系统，功能齐全，非常值得参考(The document modification is based on the java online bookstore sales system, which has complete functions and is worth referencing.)

文件是基于java的网上书店销售系统，功能齐全，非常值得参考(The document modification is based on the java online bookstore sales system, which has complete functions and is worth referencing.)