Answer Posted / rajender

i agree with 3,4,5,6,7 answers .hashmap is not syncronized

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529

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Why we used vector class?

632

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What is adapter in java?

521

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What are the two environment variables that must be set in order to run any java programs?

533

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Explain heap sort?

701

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How to make a non daemon thread as daemon?

554

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What are the main uses of this keyword?

602

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Can constructor return value?

512

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What is identifier with example?

578

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What is mvc in java?

560

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How would you dynamically allocate memory to an array?

597

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560

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564

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555

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627

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