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What happens if two threads simultaneously modify TreeSet?

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What happens if two threads simultaneously modify TreeSet? (a) ConcurrentModificationException is thrown (b) Both threads can perform action successfully (c) FailFastException is thrown (d) IteratorModificationException is thrown The question was posed to me in homework. Query is from Data Structures-Set in portion java.util – The Collections Framework of Java Select the correct answer from above options Java questions and answers, Java questions pdf, Java question bank, Java questions and answers pdf, mcq on Java pdf, Java questions and solutions, Java mcq Test , Interview Java questions, Java Questions for Interview, Java MCQ (Multiple Choice Questions),Core Java Questions, Core Java MCQ,core java interview questions for experiencedcore java interview questions for 3 years experience,java programming questions,core java interview questions for freshers,java interview questions and answers for freshers, java programming questions and answers pdf, java interview questions for beginners

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Correct choice is (a) ConcurrentModificationException is thrown Best explanation: TreeSet provides fail-fast iterator. Hence when concurrently modifying TreeSet it throws ConcurrentModificationException.

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