a simple EJB examples of entities MyEJB TestEjbWeb for EJB Session Bean, which i...

Java语言SQL接口 JDBCprogram-Java SQL interface JDBCprogram

求解线形方程组，可参考说明，算法尚不够严谨-solving linear equations, reference note that the algorithm was not strict enough.

一个简单的java模拟电梯逻辑的系统，有需求说明，有源码。-A simple java logic simulation of elevator systems, there is a demand note, there is source code.

一个是图形旋转的例子，包括图形的明暗度的设置。这个可是原创。-is a graphic example of the rotation, including for the purpose of the graphics settings. But the original.

JAVA ATA认证课本，第6章代码-JAVA ATA certification textbook, Chapter 6 code

java课的一个功课，有意读取html里的数据，parsing 一个网站的log file-of a java class homework, read html interested, the data, parsing a web site log file

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

同样是一款留言本。能够实现留言，管理员编辑，管理员删除。管理员恢复。等功能。代码简洁。-Is also a guestbook. Able to achieve a message, administrators edit, delete administrators. Administrator to restore. And other functions. Code is simple.

需要JAVA插件的聊天程序-need Java plug-in chat program

数据库不连接池.用于对数据库连接进行管理.-database connection pool. The database is used to connect management.