What is null data type?


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More Core Java Interview Questions

What is hypertext?

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Explain scope or life time of local variables in java?

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List the different types of classloaders in java.

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Which class is the superclass for all the classes?

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Where are the card layouts used?

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what is main purpose of abstract class?

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If there are two notepad opened and working on it . is this a process or thread? computer based Live Example to differentiate between Thread , Process , and Multi tasking ?

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Highest level event class of the event-delegation model?

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How are variables stored in memory?

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What is a variable declaration?

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What is pre increment and post increment in java?

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