Why is hashmap used?


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More Data Structures Interview Questions

Can we add heterogeneous elements into treemap?

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What is a simple graph?

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What is the non linear data structure?

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Describe the complexity of Quick Sort

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Explain Queue

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Which is faster array or linked list?

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When should structures be passed by values or by reference?

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What is difference between for loop and foreach?

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an array t[100] which contains numbers between 1..99. Return the duplicated value. Try both O(n) and O(n-square).

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What are the advantages of bubble sort?

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What is the main advantage of a linked list?

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Can a class have a constructor?

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