Answer Posted / sdn

i agree with first and tenth answer

What does the @override annotation do?

567

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What do the thread?class methods run() and start() do?

551

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Which is easier .net or java?

656

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Why do we need singleton class?

561

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Where and how can you use a private constructor?

544

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What is the base class of all exception classes?

595

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What is array length in java?

534

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What are instance variables?

619

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What is treeset and treemap in java?

588

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How do generics work?

524

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What are java packages?

588

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Can you extend main method in java?

633

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What is package private scope in java?

542

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How does remove work in java?

528

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Can a string be null?

550

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