Java Programming for Complete Beginners - Java 16 - Step 24 - Map Interface - Basic Operations

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Information Technology (IT), Architecture, Geography, Science
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University
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the two types that need to be specified when creating a map?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What happens if you try to insert a value into a map created with a dot operator?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you retrieve the value for a specific key in a map?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What method would you use to check if a specific key exists in a map?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What does the method 'map.values()' return?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to add elements to a hash map.
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the difference between a hash map and a tree map?
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