J++类库参考手册

用jsp编写的网上投票系统，希望大家有用。-Jsp prepared using online voting system, hope that useful.

配置文件，用于开发java程序。 配置文件，用于开发java程序。-Configuration file, the procedures for the development of java. Configuration file, the procedures for the development of java.

本程序为StreamTokenizer类的示例，对输入的文件test.txt进行令牌化，统计其中的单数和数字数以及符号数-StreamTokenizer procedures for the kind of example, the importation of the paper test.txt for token, statistics on the number of single figures and the number of symbols

文件显示上传进度条 -Documents show upload progress bar

Tomcat 是一个小型的轻量级应用服务器，在中小型系统和并发访问用户不是很多的场合下被普遍使用，是开发和调试JSP 程序的首选。对于一个初学者来说，可以这样认为，当在一台机器上配置好Apache 服务器，可利用它响应对HTML 页面的访问请求。实际上Tomcat 部分是Apache 服务器的扩展，但它是独立运行的，所以当你运行tomcat 时，它实际上作为一个与Apache 独立的进程单独运行的-Tomcat is a small, lightweight application server, in the small and medium systems and concurrent access to the user is not a lot of occasions to be widely used, is to develop and debug JSP program of choice. For a beginner, it can be that when a machine configured Apache server, can use it to respond to access requests on the HTML page. Tomcat is the Apache server is in fact part of the expansion, but it is run independently, so when you run tomcat, it in fact as a separate process with Apache running on separate

这是我自己用JAVA编写的计算器，它能实现计算器的基本功能，比如加减乘除等，很容易就能看明白-This is for my own use Java to prepare the calculator, calculator can achieve the basic functions, such as arithmetic, it is very easy to Naikanmengbai

该系统是一套强大的bbs论坛系统，适合大中型网站进行套用。-祭敖包

jsp表单验证的代码，覆盖很全的表单内容。正则语言编写，方便操作使用-jsp form validation code, covering a very wide form content. Regular languages to facilitate the operational use

java写的多功能文件编辑器-multifunctional document editor

alter table tbl_name add col_name type 例如,给表增加一列weight mysql>alter table pet add weight int 删除列 alter table tbl_name drop col_name 例如，删除列weight： mysql>alter table pet drop weight 改变列 alter table tbl_name modify col_name type 例如，改变weight的类型： mysql> alter table pet modify weight samllint 另一种方法是： alter table tbl_name change old_col_name col_name type 例如： mysql> alter table pet change weight weight samllint 给列更名 mysql>alter table pet change weight wei 给表更名 alter table tbl_name rename new_tbl 例如，把pet表更名为animal mysql>alter table pet rename animal -alter table tbl_name add col_name type for example, to form an increase in weight mysql> alter table pet add weight int Remove Columns alter table tbl_name drop col_name For example, the deletion of column weight: mysql> alter table pet drop weight change out alter table tbl_name modify col_name type for example, the type of weight change: mysql> alter table pet modify w