Answer Posted / ravikiran(aptech mumbai)

c++ is a purely object oriented language and java is not due
to non supportal of multiple inheritence

Is a method a function?

545

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What is gc()?

577

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What is the requirement of thread in java?

614

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Do I need to import java.lang package any time? Why?

737

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What is the latest version of java?

577

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Can a singleton class be inherited?

522

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What the difference is between execute, execute Query, execute Update?

372

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how is final different from finally and finalize in java?

603

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How can an exception be thrown manually by a programmer?

507

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List some important features of java 10 release?

511

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What is meant by method overriding?

538

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Difference between arraylist and hashset in java?

537

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How do you make an arraylist empty in java?

473

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What are the three best choices for a development environment?

597

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What does a boolean method return?

623

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