Answer Posted / ravikiran

abstraction
encapsulation
inheritence
polymorphism

Is namespace same as package in java?

974

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What is meant by oops concept in java?

981

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Do extraneous variables affect validity?

907

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What is off heap memory?

1001

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What is return code?

999

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What is meant by distributed application? Why are we using that in our application?

940

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how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)

2331

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What is oop in java?

1044

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What are class members by default?

1072

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Is set thread safe java?

916

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What is the purpose of final keyword and when to use it?

997

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Can a list be null in java?

1035

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What is finally in Java?

1065

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What is derived datatype?

1209

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Explain the access modifiers for a class, method and variables?

1134

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