List four interfaces of the Collections API. Mike Wolf My OCA Mock

Question 3 / 90: List four interfaces of the Collections API.

A ArrayList, Map, Set, Queue

B List, Map, Set, Queue

C List, Map, HashSet, PriorityQueue

D List, HashMap, HashSet, PriorityQueue

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Explanation:

Interfaces of the Collections API include the List, Map, Set, and Queue APIs.

A, C, and D are incorrect. ArrayList, HashMap, HashSet, and PriorityQueue are all concrete classes and are considered to be implementations of their respective interfaces.

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