Read and write in excel files

说明：  学习案例-基于DB的运用MVC开发模式的登录程序 java源代码+数据库(Study case - login procedure based on DB using MVC development mode Java source code + Database)

JSp网上商城代码，有注示说明，可以做为学习参考，不可做为商用，(JSp online store code, Note said instructions, can be used as a reference is not available as a commercial,)

设计模式经典书籍，学习设计模式的入门教程，浅显易懂(Classic design patterns book, Design Patterns Study Guide entry, easy to understand)

This book refer information about java easy form to explain

这是我们的作业，医生患者信息管理系统，用于医院药品患者医生管理(This is our job, Doctor and Patient Information Management System)

JAVA的简单增加，删除 修改，更新语句(JAVA simple to add, delete modify, update statement)

说明：   字符串数组中的某个字符进行替换 统计每个数字出现的个数(A string array of characters in the replacement of Statistics figures for each number of)

用JCreator软件编写的一个水中倒影的小程序，希望对有需要的朋友提供帮助。(JCreator software to prepare a water reflection program, I hope to help a friend in need.)

根据中国天气网，查询城市天气。根据城市编号添加城市，也可根据城市名称查询城市编号(According to Chinese weather site, check the city weather. According to City Code to add the city, can also inquire about the city numbered according to city name)

Java聊天程序服务端和客户端程序,C/S结构,ChatServer 类实现了一个聊天室服务器端， 此类有一个构造器， 在构造器中使用newServerSocket()建立一个Socket 连接。( Java chat server and client service procedures, C/S structure, ChatServer class implements a chat room on the server side, such a constructor, use newServerSocket in the constructor () to create a Socket connection. Java chat server and client service procedures, C/S structure, ChatServer class implements a chat room on the server side, such a constructor, use newServerSocket in the constructor () to create a Socket connection.)