How many types of constructors are used in java?

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Is string thread safe in java?

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Does isempty check for null?

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I want to persist data of objects for later use. What’s the best approach to do so?

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Is there a way to increase the size of an array after its declaration?

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How does thread synchronization occurs inside a monitor? What levels of synchronization can you apply?

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How is hashset defined in java?

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if num=687; U have to get num=6+8+7;

4 Answers   CMC,

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Explain an algorithm to find depth of a binary tree.

0 Answers   Akamai Technologies,

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Explain the difference between an object-oriented programming language and object-based programming language?

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Does java initialize arrays to zero?

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What is the function of java?

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