I have this enumerated value that I need to store. Its essentially a lookup code. However, each of the enumarated values has tacit (if that is the right word) properties based on its values.

You’ll also get started with JPA Query Language (JPQL) and use it to execute a few simple database operations on the example application. The complete source code for the example application can be ...

Every JPA entity has a primary key, but some entities have more than one value as their primary key. In this case, you need to use a composite key. This Java tip introduces you to using composite keys ...