Understanding Java Collection Framework
Test your knowledge of the Java Collection Framework with this engaging quiz covering key interfaces and their functionalities.
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Quiz Questions & Answers
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Question 1: Which package contains the Collection framework?
java.util
java.io
java.lang
java.awt
Question 2: Which of the following is not part of the Collection framework?
Set
Array
Map
List
Question 3: Which interface is the root of the Collection framework?
Set
Collection
List
Map
Question 4: Which of the following allows duplicate elements?
List
None
Set
Map
Question 5: Which interface allows only unique elements?
Set
List
Map
Queue
Question 6: Which interface maintains insertion order?
List
Map
None
Set
Question 7: Which interface uses key-value pairs?
Map
Queue
Set
List
Question 8: Which interface follows FIFO order?
Stack
Queue
List
Set