Answer Posted / durgesh singh

Object class is the root class in java

Explain what access modifiers can be used for variables?

595

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Is null a string in java?

562

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Is java a digit method?

527

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Can we call the constructor of a class more than once for an object?

639

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What is the epoch date?

577

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Is null an object in java?

580

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How to obtain a performance profile of java program

547

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What are the escape sequences in java?

569

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How do you achieve polymorphism in java?

532

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How will you calculate the depth of a binary tree if the tree contains 15 nodes?

602

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How to sort array in descending order in java?

525

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What is hash in java?

527

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Describe different states of a thread.

586

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What are the characteristics of java?

530

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what is session in java?

760

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