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Explain Which of these classes provide implementation of map interface?

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Which of these classes provide implementation of map interface? (a) ArrayList (b) HashMap (c) LinkedList (d) DynamicList The question was asked in a national level competition. This intriguing question comes from Java.util in chapter java.util – The Collections Framework of Java Select the correct answer from above options

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Correct answer is (b) HashMap The explanation: AbstractMap, WeakHashMap, HashMap and TreeMap provide implementation of map interface.

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