Apache Commons/Apache Common Collections MCQ MCQs :- multiple choice questions and answers. e.g Apache Commons MCQS,Apache Commons Mock Tests , Apache Commons Practice Papers ,Apache Commons Sample Test,Apache Commons Sample questions

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Question 1: Which Map is synchronized?

Hashtable

ConcurrentSkipListMap

ConcurrentHashMap

All of these

Total MCQS Questions are 12 in this paper Apache Common Collections MCQ
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