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MCQ Tutorial - JAVA->Collection

                        
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16.) What is Collection in Java?
Options are:
A.) A group of objects
B.) A group of interfaces
C.) A group of data types
D.) A group of classes
17.) Which of these methods deletes all the elements from invoking collection?
Options are:
A.) delete()
B.) clear()
C.) refresh()
D.) reset()
18.) Which of these interface is not a part of Java’s collection framework?
Options are:
A.) List
B.) SortedList
C.) Set
D.) SortedMap
19.) Which of these classes is not part of Java’s collection framework?
Options are:
A.) Stack
B.) Map
C.) Array
D.) Queue
                        
20.) Which of these packages contain all the collection classes?
Options are:
A.) java.awt
B.) java.net
C.) java.util
D.) java.lang
                        
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