深度学习

摘要： http://docs.oracle.com/javase/tutorial/ 阅读全文

摘要： what is JavaBean?JavaBean分类POJO: Plain Old Java Object,普通的JavaBean,只有属性和getter,setter方法。不能定义任何的业务逻辑和Connection之类的逻辑。实体类是一种简单的传统 Java 对象 (POJO),专用于表示数据库数据，专用于持久性。EJB: EJB规范.EJB是一个封装有某个应用程序之业务逻辑服务器端组件，也使用POJO来自维基百科：EJB种类EJB容器可以接受三类EJB会话Bean（Session Beans）无状态会话Bean（Stateless Session Beans）有状态会话Bean（Sta 阅读全文

摘要： form use to collect user input and send user input to another file usually a jsp pagein form body we can use control below to collect user input.输入控件1. 输入的文本框 2. 输入密码框 3. 单选框（互斥，只能选一个） 4. 多选框 提交控件2. form method属性get: 默认是get，用户输入通过key-value方式 附在url上面，一次传输完成post: ... 阅读全文

摘要： Q：if you want to tomcat in netbean instead of grassfish,how to do that?A: First we must download tomcat in tomcat website. and install it. Second,netbean- tools -server , add the server you have installed. Finally when new project, in step-server and set, choose tomcat server. 阅读全文

摘要： j2ee use to develop server program which will deply into web server in java world.It is a set ofprotocol(Interface) like jsp protocal,serlvet protocal,javabean protocol,jpa protocal.web server offer the implement of j2ee protocal it call j2ee webserver.For example, java language is a set of grammer, 阅读全文