Answer Posted / greeshma

answer 1 is exactly right

Can arraylist contain null?

466

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Why do we need linked lists?

518

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What is space complexity of a program?

465

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What is the basic of data structure?

494

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Define a path in a tree?

524

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What is a data structure definition?

541

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What is meant by heap sort?

494

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Explain exception filter?

540

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Define heap?

593

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What is a binary search tree? Explain with example?

505

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What do u mean by data type?

430

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Is treeset synchronized?

452

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How do you declare An array of three pointers to chars

506

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What are different types of sorting techniques?

511

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Where is insertion sort used?

495

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