Java Programming for Complete Beginners - Java 16 - Step 28 - Java Collections - Conclusion with Three Tips
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of collection allows storing duplicate elements?
Tree
Set
List
Map
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of a set in collections?
Stores data in key-value pairs
Allows duplicate elements
Does not allow duplicate elements
Maintains insertion order
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the keyword 'hash' indicate about a collection?
The collection is linked
The collection maintains insertion order
The collection is unordered and unsorted
The collection is sorted
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the keyword 'linked' suggest about a collection?
The collection is navigable
The collection maintains insertion order
The collection is unordered
The collection is sorted
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional feature do tree-based collections provide?
They do not maintain insertion order
They offer navigable set or map implementations
They are unordered
They allow duplicate elements
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