
JAVA FOR DEVELOPERS
Authored by KARTHIKEYAN AP-CSE
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these packages contain all the collection classes?java.awt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these classes is not part of Java’s collection framework?
Maps
Array
Stack
Queue
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of this interface is not a part of Java’s collection framework?
List
Set
SortedMap
SortedList
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is Collection in Java?
A group of objects
A group of classes
A group of interfaces
None of the mentioned
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A List in Java accesses any element from its ___?
key
index
value
position
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which among the following allow duplicate elements?
ArrayList
HashSet
LinkedHashSet
TreeSet
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these interfaces must contain unique elements?
List
Queue
Set
Deque
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