Answer Posted / prachi

ans 23

Define root?

558

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Is hashtable better than dictionary?

530

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What is a comparator function?

526

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Is treeset sorted?

527

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Can we null keys in treemap?

571

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What is meant by hashing?

473

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What is a dequeue?

547

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What is doubly linked list?

553

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Describe the level term in a tree.

538

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What is difference between hashset and linkedhashset?

565

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Explain singly linked list in short.

552

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What is collision in data structure?

507

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Describe linear probing with an example.

606

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We know that Arrays are objects so why cannot we write strArray.length()?

1109

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Which sort is stable?

545

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