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Explain Which of these classes implements Set interface?

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Which of these classes implements Set interface? (a) ArrayList (b) HashSet (c) LinkedList (d) DynamicList I had been asked this question in an online quiz. Query is from Java.util in section java.util – The Collections Framework of Java Select the correct answer from above options

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Correct option is (b) HashSet The explanation: HashSet and TreeSet implements Set interface where as LinkedList and ArrayList implements List interface.

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