Define in brief an array. What are the types of array operations?

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If we try to add duplicate key to the hashmap, what will happen?

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How dynamic arrays are created?

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Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree (b) Complete Binary Tree.

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What is sorting explain?

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What does sorting an array do?

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Define a queue?

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Are hash tables ordered?

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What is harvesting in agriculture?

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Explain what is the type of the algorithm used in solving the 8 queens problem?

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How is the front of the queue calculated in data structure?

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Can hashset contain null?

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