Answer Posted / cool_duzz

jspInit() from jspPage interface
_jspService() from httpJspPage Interface
jspDestroy() from jspPage interface

What does system out println () do?

567

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Why do we use threads in java?

573

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How do you declare an empty string?

626

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What is the difference between abstract class and interface1? What is an interface?

568

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Why does abstract class have constructor?

571

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What is the += operator called?

583

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Is it possible to use string in the switch case?

561

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Explain the usage of this with constructors?

536

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What is the formula to calculate percentage?

540

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How do you get length in java?

568

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Explain tree set and its features?

602

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What is abstract class? Explain

602

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What is oops in java?

575

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What are different access specifiers in java? Explain

635

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What is a memory leak in java?

551

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