问题:
Given:
Which statement is true?()
A . Compilation fails because the hashCode method is not overridden.
B . A HashSet could contain multiple Person objects with the same name.
C . All Person objects will have the same hash code because the hashCode method is not overridden.
D . If a HashSet contains more than one Person object with name="Fred", then removing another Person,also with name="Fred", will remove them all.
Given:
Which statement is true?()
● 参考解析
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