Answer Posted / geetha

The reader/writer is character oriented, and the
input/output stream is byte oriented.

How many threads does a core java have?

503

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Explain the difference between jvm and jre?

552

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Can memory leak happen java?

586

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Is 0 an irrational number?

590

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Can list be null in java?

568

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What is the difference between static class and normal class?

479

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What is use of map in java?

503

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

530

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List some important features of java 10 release?

505

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What is the difference between compile-time polymorphism and runtime polymorphism?

555

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What is meant by class loader? How many types are there? When will we use them?

497

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What is the difference between inheritance and encapsulation?

582

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What is backdrop?

587

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Difference between abstract and concrete class ?

575

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What is an array in java?

632

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