The system is a simple student information management system, realized the log, add, query, modify and other functions! When to add and modify sex with a (female) and 0 (M) said that the query results, gender showed the male or female. The realization of such a simple digital recording features. Are the shortcomings of anything I hope we can give advice.

StudentMessage
..............\bak
..............\...\studentmessage
..............\...\..............\Add.java~78~
..............\...\..............\Add.java~79~
..............\...\..............\Add.java~80~
..............\...\..............\Add.java~81~
..............\...\..............\Add.java~82~
..............\...\..............\Add.java~83~
..............\...\..............\Add.java~84~
..............\...\..............\Add.java~85~
..............\...\..............\Add.java~86~
..............\...\..............\Add.java~87~
..............\...\..............\Delete.java~1~
..............\...\..............\Delete.java~2~
..............\...\..............\Delete.java~3~
..............\...\..............\Delete.java~4~
..............\...\..............\Delete.java~5~
..............\...\..............\Delete.java~6~
..............\...\..............\IndexInt.java~164~
..............\...\..............\IndexInt.java~165~
..............\...\..............\IndexInt.java~166~
..............\...\..............\IndexInt.java~167~
..............\...\..............\IndexInt.java~168~
..............\...\..............\IndexInt.java~169~
..............\...\..............\IndexInt.java~170~
..............\...\..............\IndexInt.java~171~
..............\...\..............\IndexInt.java~172~
..............\...\..............\IndexInt.java~173~
..............\...\..............\Message.java~59~
..............\...\..............\Message.java~60~
..............\...\..............\Message.java~61~
..............\...\..............\Message.java~62~
..............\...\..............\Message.java~63~
..............\...\..............\Message.java~64~
..............\...\..............\Message.java~65~
..............\...\..............\Message.java~66~
..............\...\..............\Message.java~67~
..............\...\..............\Msg.java~1~
..............\...\..............\StudentMessage.java~154~
..............\...\..............\StudentMessage.java~155~
..............\...\..............\StudentMessage.java~156~
..............\...\..............\StudentMessage.java~157~
..............\...\..............\StudentMessage.java~158~
..............\...\..............\StudentMessage.java~159~
..............\...\..............\StudentMessage.java~160~
..............\...\..............\StudentMessage.java~161~
..............\...\..............\StudentMessage.java~162~
..............\...\..............\StudentMessage.java~163~
..............\...\..............\Systemreg.java~36~
..............\...\..............\Systemreg.java~37~
..............\...\..............\Systemreg.java~38~
..............\...\..............\Systemreg.java~39~
..............\...\..............\Systemreg.java~40~
..............\...\..............\Systemreg.java~41~
..............\...\..............\Systemreg.java~42~
..............\...\..............\Systemreg.java~43~
..............\...\..............\Systemreg.java~44~
..............\...\..............\Systemreg.java~45~
..............\classes
..............\.......\package cache
..............\.......\.............\studentmessage.dep2
..............\.......\studentmessage
..............\.......\..............\Add$AddInf.class
..............\.......\..............\Add.class
..............\.......\..............\Delete$Del.class
..............\.......\..............\Delete.class
..............\.......\..............\IndexInt$Query.class
..............\.......\..............\IndexInt.class
..............\.......\..............\StudentMessage$Login.class
..............\.......\..............\StudentMessage.class
..............\.......\..............\Systemreg$Reg.class
..............\.......\..............\Systemreg.class
..............\doc
..............\...\studentmessage
..............\...\..............\IndexInt.html
..............\hs_err_pid1040.log
..............\hs_err_pid2984.log
..............\hs_err_pid3604.log

..............\SDB.ldb
..............\SDB.mdb
..............\src
..............\...\studentmessage
..............\...\..............\Add.java
..............\...\..............\Delete.java
.....

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