Which two statements are true about the hashCode method?()
- A、 The hashCode method for a given class can be used to test for object equality and object inequality for that class.
- B、 The hashCode method is used by the java.util.SortedSet collection class to order theelements within that set.
- C、 The hashCode method for a given class can be used to test for object inequality, but NOT object equality, for that class.
- D、 The only important characteristic of the values returned by a hashCode method is that the distribution of values must follow a Gaussian distribution.
- E、 The hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.
正确答案:C,E
答案解析:有
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