Java Collection Quiz 2 - Java Online Test | Java Question and Answers
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Question 1 of 20
1. Question
Which of the following is not true for the IdentityHashMap?
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Question 2 of 20
2. Question
What is the default value of load factor in a hashing based collection?
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Question 3 of 20
3. Question
Which of the following is a correct difference between ArrayList and LinkedList?
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Question 4 of 20
4. Question
Which of the following is not true for a generic collection?
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Question 5 of 20
5. Question
What do you understand of hash-collision in a Hashtable?
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Question 6 of 20
6. Question
Which of the following is a correct difference between HashMap and Hashtable?
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Question 7 of 20
7. Question
What is the design pattern followed by Iterator?
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Question 8 of 20
8. Question
What is the correct difference between HashSet and HashMap?
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Question 9 of 20
9. Question
What is the correct difference between HashMap and TreeMap?
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Question 10 of 20
10. Question
Which of the following is a correct difference between ArrayList and Vector?
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Question 11 of 20
11. Question
When would you choose to use LinkedList over ArrayList in an application?
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Question 12 of 20
12. Question
When would you choose to use ArrayList over LinkedList in an application?
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Question 13 of 20
13. Question
Which of the following is a correct method to convert the array of strings into a list?
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Question 14 of 20
14. Question
Is it possible to define a Set as readOnly, if yes then how?
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Question 15 of 20
15. Question
Which of the following is a valid difference between Set and Map?
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Question 16 of 20
16. Question
Which of the following is a correct difference between HashMap and ConcurrentHashMap?
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Question 17 of 20
17. Question
Which of the following method you need to override for using an object as key in a Hash Map?
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Question 18 of 20
18. Question
Which of the following is a correct difference between List and Set?
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Question 19 of 20
19. Question
Which of the following is not true in case of a Weak Hash Map?
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Question 20 of 20
20. Question
Which of the following is not true for the Unsupported Operation Exception?
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