It is a simple work reminder system
Store data from the database. Store data from the client (form submission), intermediary role of storing data
The main thing to do is to add, delete, and modify a single table in the database. It may be a multi-table management query.
Corresponding to the operations on the interface, adding, deleting, modifying and checking, as for this business involving several DAO, just call several DAO
C3P0 is a Java library that provides a convenient way for managing database connections.
