Is null a string?


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More Core Java Interview Questions

What does += mean in java?

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What classes of exceptions may be thrown by a throw statement?

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In the below example, how many string objects are created?

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Explain working of call by reference function invoking.

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Can we use string in switch case in java?

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What are the two environment variables that must be set in order to run any java programs?

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Write a function to print Fibonacci series and Tribonacci series?

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What is thread synchronization in java?

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Are true and false keywords?

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how to open and edit XML file in Weblogic???

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What is difference between call by value and call by reference?

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What is used of static keyword in java?

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