Because SQLObject always needs this field object, it always creates one.

因为SQLObject总是需要该字段对象，所以它总会创建一个。

youdao

Finally, note that there's no need to create a field object in PhoneNumber for the id field.

最后注意，无需在PhoneNumber中为id字段创建字段对象。

youdao

Returns a field object that reflects the specified declared field of the class or interface represented by this class object.

返回一个Field对象，该对象反映此Class对象所表示的类或接口的指定已声明字段。

youdao

Returns a field object that reflects the specified declared field of the class or interface represented by this class object.

返回一个Field对象，该对象反映此Class对象所表示的类或接口的指定已声明字段。

youdao