Answer Posted / anand

set

Describe 2 different ways to concatenate two strings.

690

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What data type is a string?

515

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Explain about fail safe iterators in java?

570

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Explain about fail fast iterators in java?

568

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Difference between java and javascript

588

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is there a separate stack for each thread in java? : Java thread

544

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What is jagged array in java?

537

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Can we assign null to double in java?

556

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Where to store local variables?

587

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How we can declare a static variable?

658

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Why is the singleton pattern considered to be an anti pattern?

480

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Why chararray() is preferred over string to store the password?

532

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Describe different states of a thread.

582

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What class of exceptions are generated by the java run-time system?

640

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Which api is provided by java for operations on set of objects?

919

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