Answer Posted / ravikiran(aptech mumbai)

polymorphism is utilizing the same interface for multiple
purposes
ex:-overloading,overriding

What is the meaning of nullable?

973

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Which command from the jdk compiles a java program?

922

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Which language is java?

926

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Explain how to force the garbage collection in java.

926

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How do you represent a space in regex java?

959

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Does java isempty check for null?

947

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Explain notifyall() method of object class ?

1048

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I want my class to be developed in such a way that no other class (even derived class) can create its objects. Define how can I do so?

1121

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What is the best way to findout the time/memory consuming process?

975

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How do I stop concurrentmodificationexception?

971

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What is object data type?

949

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What is java util list?

883

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Is 9 a prime number?

833

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What is instance example?

909

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Who developed java?

940

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