是一个简单的两机通讯程序，用JAVA实现的，

Java code for obtaining a JDBC connection

文本编辑器，可以作为初学者窗口界面设计参考-A text editor, windows interface design can be used as reference for beginners

java socket基础编程实例-based programming examples

Java文件流操作-Java document flow operation

The guide of java spring . it is fit for the java spring developer and beginner .

多线程的程序，可以运行多个同时进行的程序。-multithreaded process, can run multiple concurrent proceedings.

重新上传java素数发生器,原先的压缩包打不开,使用java语言在netbean环境开发,产生一定范围内的素数-Re-upload java prime number generator, the original compressed packets can not be opened, use the java language in the NetBeans development environment, resulting in a range of prime numbers

mapxtreme for java 开发的一个实例程序 只需替换一个mdf文件 即可直接部署运行-mapxtreme for java developers only need to replace an instance of the program can be deployed directly into a mdf file to run

document talkin about peer to peer systems

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