Answer Posted / narasimha rao

System is a class
out is static object
println() is a method

how we can make a write-only class in java?

555

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What is the type of lambda expression?

536

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What is a functional interface?

543

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What is the purpose of static keyword in java?

510

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Can we overload final method in java?

544

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What are the core java topics?

561

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What is advantage of java?

538

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What are structs in java?

567

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What is type inference in java8?

573

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What is join () in java?

526

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What is the difference between length and length () in java?

523

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What is exception handling in java?

570

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What is default switch case? Give example.

574

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Which package is used for pattern matching with regular expressions?

639

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Explain wait(), notify() and notifyall() methods of object class ?

587

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