What is the difference between arraylist and hashmap?


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More Data Structures Interview Questions

Can arraylist have null values?

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Can we use ordered set for performing binary search?

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Is array a data type?

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Are linked lists considered linear or non-linear data structures?

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How does a binary search work?

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Describe avl tree or height balanced binary search tree.

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Which data structure is applied when dealing with a recursive function?

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How is bubble sort done?

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Is selection sort greedy?

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What is mean by selection sort?

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Explain Stack

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What do you mean by the term “percolate down”?

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