java中用正则表达式来检测IP地址是否合理，简单又好用。

java实现SMTP协议，即简洁有好懂-achieve agreements that are simple to understand

Java数据库编程实例（2）-Java Database Programming Example (2)

Java网络编程的若干源码之No.1-Java Network Programming several source Zhi No.1

pooling.zip的内容介绍了java中的线程池的使用方法。-pooling.zip content introduced in java to use the thread pool.

JAVA中利用 Bean发邮件-to utilize Java Bean mail

华磊物业管理系统源码 (仅供参考)-Hua source property management system (U.S.)

/*_############################################################################ _## _## SNMP4J - Snmp.java _## _## Copyright 2003-2007 Frank Fock and Jochen Katz (SNMP4J.org) _## _## Licensed under the Apache License, Version 2.0 (the "License") _## you may not use this file except in compliance with the License. _## You may obtain a copy of the License at _## _## http://www.apache.org/licenses/LICENSE-2.0 _## _## Unless required by applicable law or agreed to in writing, software _## distributed under the License is distributed on an "AS IS" BASIS, _## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. _## See the License for the specific language governing permissions and _## limitations under the License. _## _##########################################################################*/-/*_############################################################################ _## _## SNMP4J- Snmp.java _## _

用java实现的学生成绩管理系统-used to achieve the student performance management system

用jsp技术制作完成的学生信息管理系统。-Jsp technology produced by students of information management systems.

java 邮件收发的源码。包括中文文件名的附件发送接收的处理。编码格式的转换。-java send main demo