Answer Posted / abhilash

String hostname= InetAddress.getByName("portno of tcs
mail").getHostName();

Is java free for commercial?

491

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What are the differences between the constructors and methods?

579

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Explain creating threads by extending thread class ?

580

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Is oracle charging for java?

548

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How we can make copy of a java object?

653

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What is lambda expression in java?

543

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What kind of variables can a class consist?

590

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What is variable and constant explain with example?

532

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Is overriding possible in java?

507

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How do you compare two strings lexicographically?

539

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what is the volatile modifier for? : Java thread

521

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When to use runnable interface vs thread class in java?

526

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What are the fileinputstream and fileoutputstream?

569

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What does 0 mean in boolean?

542

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Is static a keyword in java?

525

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