杭州交通信息网纽约人口2017总人数口:有关JAVA的两句话
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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.
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.