Answer Posted / arun kumar rout

hashtable is Synchronised where as hashmap is not.

Tell me about your ability to work under pressure

1772

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What is an immutable object? How do you create one in java?

608

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What are keywords in programming?

570

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Do we need to manually write Copy Constructor?

610

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What is a container in a gui?

554

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What are the different data types in java?

536

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What is null object in java?

577

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Can we rethrow the same exception from catch handler?

571

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Is empty list java?

529

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What is a parameter in simple terms?

566

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What is variable in java?

530

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Do loops java?

560

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Write a program in java to create a doubly linked list containing n nodes.

563

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what is the swingutilities.invokelater(runnable) method for? : Java thread

559

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What is a for loop in java?

605

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