Is it possible to store null key and null values in a hashmap?


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More Data Structures Interview Questions

What are the applications of linked list?

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What is impact of signed numbers on the memory using data structures?

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Can we sort hashmap?

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How to reverse a singly linked list?

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Is python good for freshers?

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What are the collision resolution methods?

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What is difference between list and set?

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How do you sort an arraylist?

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Can we add duplicate keys in a hashmap? What will happen if we attempt to add duplicate values?

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Which algorithm is used in arrays sort?

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What is the difference between adt and data structure?

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What is the difference between hashmap and arraylist?

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