if―else语句，switch语句，循环结构，do

实用程序，一个ejb调用另一个ejb的例子。-Utility, a ejb call another ejb example.

规则引擎的详细介绍，包含规则引擎的工作原理和规则引擎API-A detailed description of the rules engine, including the working principle of the rules engine and rules engine API

一个风扇，可以正转，倒转，并可由滚动条控制速度-a fan, one can turn, reversed and can control the speed of the rolling

采用java技术开发的日历控件，方便开发人员使用该控件，简化日期的操作。-Technology development using java calendar control, facilitate the development of staff to use the controls to simplify the date of operation.

磁盘监控。使用java监控磁盘容量，在磁盘容量高于指定大小时自动删除较老的文件以腾出跟多的磁盘空间来存储新的文件。-Disk Monitor. Using java monitor disk capacity, disk capacity above the designated size automatically delete older files to free up disk with more space to store the new file.

这是一个用java开发的图形化计算器。功能很强大，对于想了解java GUI的编程爱好者很有帮助。-it is a calculator developing by java.it is very helpful for these wanting to have a knowledge of java GUI

利用JAVA语言实现，提供医学知识的查询，前台和后台管理，界面美观。需要设置环境变量，具体设置已经在文件中说明。-JAVA language use, providing medical knowledge of the inquiries, front and back-office management, and interface aesthetic. Need to set up environment variables, the specific settings have been described in the document.

Gmail API for Java 一个gmail信箱的客户端，直接访问gmail信箱，不用登陆gmail网站。-Gmail API for Java a gmail mail client, direct access gmail mailbox, not gmail landing site.

J2ME的教程,包含概念解析、MIDP2.0编程、访问网络服务和数据-About J2ME

一个java计算器。-a calculator.