JPA 实现模式翻译
Basic patterns（基本模式）
- Data Access Objects（数据访问对象）
- Saving (detached) entities
- Retrieving entities
- Removing entities
- Service Facades and Data Transfers Objects
Advanced patterns
- Bidirectional assocations
- Lazy loading
- Bidirectional associations vs. lazy loading
- Using UUIDs as primary keys (guest blog by Albert Sikkema)
- Field access vs. property access
- Mapping inheritance hierarchies
- Testing