是的,类型ex是双方的最具体的超类型
CharacterCodingException和
UnknownServiceException,这将是
IOException。
编辑:直接从
Informally, the lub (least upper bound) is the most specific supertype of
the types in question.

是的,类型ex是双方的最具体的超类型
CharacterCodingException和
UnknownServiceException,这将是
IOException。
编辑:直接从
Informally, the lub (least upper bound) is the most specific supertype of
the types in question.