DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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YES
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NO
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Either A or B
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None of the above
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Detailed explanation-1: -Using ListIterator which extends Iterator, can traverse in both directions. Both read and remove operations can be performed by the iterator interface.
Detailed explanation-2: -There are three common ways to iterate through a Collection in Java using either while(), for() or for-each().
Detailed explanation-3: -6) What is the difference between Iterator and ListIterator? Iterator traverses the elements in the forward direction only whereas ListIterator traverses the elements into forward and backward direction.
Detailed explanation-4: -SortedSet. A sorted set is a set that further guarantees that its iterator will traverse the set in ascending element order, sorted according to the natural ordering of its elements, or by a comparator provided at sorted set creation time.