J2EE基础实例demo
http://www.cnblogs.com/javabin/p/3809954.html
J2EE 数据库JDBC(Java Data Base Connectivity,java数据库连接)
http://blog.csdn.net/jiangwei0910410003/article/details/26164629
J2EE数据库ComboPooledDataSource
http://liuzhijun.iteye.com/blog/1286395
J2EE 数据库Hibernate
应用实例:http://blog.csdn.net/rcfalcon/article/details/5684546
需要的jar:http://blog.chinaunix.net/uid-9554081-id-2000837.html