147.Maps
Authored by ANIL KUMAR
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39 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What are maps in Java?
Geographic representations
Data structures for key-value pairs
Drawing tools
Network protocols
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the difference between map and HashMap in Java?
No difference, they're the same
Map is an interface, HashMap is an implementation
Map is for integers, HashMap is for strings
Map is single-ended, HashMap is double-ended
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Why is a map used in Java?
For sorting elements
For storing key-value pairs
For performing mathematical operations
For printing values
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Is a map a class or an interface?
Class
Interface
Both
Neither
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What are maps and their types?
Navigation tools
Data structures for ordered elements
Data structures for key-value pairs; types include HashMap, TreeMap, and LinkedHashMap
Graphic elements
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the difference between map and list in Java?
Map is for integers, list is for strings
Map stores key-value pairs, list stores single values
Map is always sorted, list is unsorted
There is no difference
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which is faster, Map or HashMap?
Map
HashMap
Both are equally fast
It depends on the context
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