What does null mean in java?


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More Core Java Interview Questions

Explain about automatic type conversion in java?

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Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?

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What is the use of static import ?

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difference between byte stream class and character stream class?

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Explain the difference between scrollbar and scrollpane?

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What is difference between printf and scanf?

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Is java still necessary?

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What are the topics in advance java?

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Is linkedlist thread safe in java?

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What advantage do java's layout managers provide over traditional windowing systems?

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What is difference between array and vector?

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Why null interfaces are used in Java?

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