高校问答柯达胶卷倒闭:SCJP题库上的一个选项这样写道
来源：百度文库 编辑：高校问答 时间：2024/05/15 11:48:28
B)The instanceof operator can be used to determine if a referance is an intance of a particular primitive wrapper class.
C)The instanceof operator will only determine if a referance is an instance of a class immediately above in the hierarchy but no further up the inheritance chain.
这两句话都是什么意思？
C)The instanceof operator will only determine if a referance is an instance of a class immediately above in the hierarchy but no further up the inheritance chain.
这两句话都是什么意思？