一个新特性允许以图形方式对比两个模块或库中的业务对象，显示添加、删除或修改的项。

A new feature enables you to visually compare business objects in two different modules or libraries, detecting items that were added, removed, or changed. To compare two business items.

youdao

jpa缓存有一个很好的特性，即使用时不需要任何代码更改；仅需在persistence . xml文件中修改一些配置属性(比如缓存的大小和对象类型)。

A great feature of the JPA cache is that no coding change is necessary to use them; you just need some configuration properties (like size and object types to cache) in your persistence.xml file.

youdao