Answer Posted / sachin bathri

15 is right

Explain the priority queue?

521

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How do you find the space complexity of a bubble sort?

490

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Will hashmap allow null keys?

504

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What is collections singletonmap?

471

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How do you empty an arraylist?

497

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Why do we use dynamic arrays?

466

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Can a hashset contain duplicates?

480

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What is adt in data structure with example?

511

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Differentiate bfs and dfs?

561

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Does concat mutate array?

500

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What is linked list in data structure?

537

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Why linked list is required?

440

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List the limitations of linear probing?

532

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Can we remove element from arraylist while iterating?

495

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What are trees in data structures?

484

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