Mastering Java: The Ultimate 2025 All-In-One Quiz to Excel in 'Thinking in Java'

Question: 1 / 510

Which statement is true about TreeSet?

TreeSet does not allow duplicate elements

TreeSet is a collection in Java that does not allow duplicate elements to be stored. This is because it implements the Set interface, which does not allow duplicate elements. Option B is incorrect because while TreeSet does allow for rapid removals and insertions, this is not a defining characteristic of the collection. Option C is incorrect as TreeSet maintains elements in a sorted order, not a random order. Option D is incorrect because TreeSet is indeed based on the Set interface in Java.

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TreeSet allows rapid removals and insertions

TreeSet maintains elements in a random order

TreeSet is not based on the Set interface

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