Answer Posted / dd

Real example of polymorohism--
Ur mobile phone..
one name but many forms..
as phone.
as camera
as mp3 player
as radio..

What is long data type?

473

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Define graph traversals?

532

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What is the difference between a stack and an array?

569

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Why is data structure important?

528

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Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)

957

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What is the order of selection sort?

447

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What is difference between treeset hashset linkedhashset?

430

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How efficient is binary search?

464

---

Can hashmap have same key?

460

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Which is the parent class of deque class?

499

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What are linked lists used for?

527

---

How helpful is abstract data type of data structures?

511

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How would you reverse the characters of an array?

528

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Explain pre-order and in-order tree traversal.

536

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Are lists mutable?

495

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