Answer Posted / qamrun nisa

java.io.InputStream
java.io.OutputStream
java.io.Reader
java.io.Writer

Is java a pure object oriented language?

542

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Explain what pure virtual function is?

603

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What is final modifier?

560

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What are the important methods of java exception class?

576

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which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?

9249

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Is arraylist ordered?

567

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How does varargs work in java?

615

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What are keywords give examples?

586

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How do you write a good declaration?

499

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Where will it be used?

1510

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Can a static class implement an interface?

562

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How do you convert an int to a string in java?

548

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What is difference between static and final?

561

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What is initial size of arraylist in java?

539

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What is class and its types?

546

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