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Explain 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 Select the correct answer from above options

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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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