Answer Posted / ravikiran(aptech mumbai)

abstartcion
inheritence
polymorhism
encapsulation

Does sprintf allocate memory?

597

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What does java ide mean?

646

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Can we have any code between try and finally blocks?

565

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What do you mean by data type?

550

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How does system arraycopy work in java?

583

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What is instance example?

527

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What is array and arraylist in java?

535

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When should I use stringbuffer?

573

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Can we cast any other type to boolean type with type casting?

543

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Is namespace same as package in java?

547

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Define the term string pool?

590

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What are the different types of collections in java?

531

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What was java originally called?

514

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Which command from the jdk compiles a java program?

491

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Why string is a class?

548

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