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Which of these is the interface of legacy is implemented by Hashtable and Dictionary classes?

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Which of these is the interface of legacy is implemented by Hashtable and Dictionary classes?

(a) Map

(b) Enumeration

(c) HashMap

(d) Hashtable

I have been asked this question in an interview.

My question comes from Java.util in portion java.util – The Collections Framework of Java

1 Answer

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Best answer
Right choice is (a) Map

For explanation: Dictionary, Map & Hashtable all implement Map interface hence all of them uses keys to store value in the object.

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