topic/Collection Classes
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Question No
Title
Type
Marks
703.
How many enumerators will exist if four threads are simultaneously working on anArrayListobject?
MCQ
5
704.
In which of the following collections is the Input/Output index-based?StackQueueBitArrayArrayListHashTable
MCQ
5
706.
In aHashTableKey cannot be null, but Value can be.
MCQ
5
702.
Which of the following statements are correct about anArrayListcollection that implements theIEnumerableinterface?TheArrayListclass contains an inner class that implements theIEnumeratorinterface.AnArrayListCollection cannot be accessed simultaneously by different threads.The inner class ofArrayListcan accessArrayListclass's members.To access members ofArrayListfrom the inner class, it is necessary to passArrayListclass's reference to it.Enumerator's ofArrayListCollection can manipulate the array.
MCQ
5
705.
In which of the following collections is the Input/Output based on a key?MapStackBitArrayHashTableSortedList
MCQ
5