Answer Posted / janet

The Reader/Writer class is character-oriented and the
InputStream/OutputStream class is byte-oriented.

What is the difference between a synchronized method and a synchronized block?

607

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Why do we need hashset in java?

504

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Does java isempty check for null?

574

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What are constructors in java?

574

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Why null value is used in string?

531

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Differentiate between postfix and prefix operators in java.

646

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What is java command?

574

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What is use of super keyword in java?

600

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Is object a data type?

562

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Why should we use singleton pattern instead of static class?

463

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Why Do I Get A "permission Denied" Error After Downloading The .jnlp Java Launcher For The Vkvm?

634

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Can sleep() method causes another thread to sleep?

569

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What is the relationship between clipping and repainting under awt?

616

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What is nested loop? What is dangling else condition in it?

574

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Explain the transient field modifier?

566

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