Which of these class object uses the key to store value?
(a) Dictionary
(b) Map
(c) Hashtable
(d) All of the mentioned
(a) Dictionary
(b) Map
(c) Hashtable
(d) All of the mentioned
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Right choice is (d) All of the mentioned
To explain I would say: Dictionary, Map & Hashtable all implement Map interface hence all of them uses keys to store value in the object.