What do you know about the garbate collector?

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What is a singleton class? Give a practical example of its usage.

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Is the milky way in a void?

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How to prevent a field from serialization ?

2 Answers  

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What is space character in java?

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Give the hierarchy of inputstream and outputstream classes.

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What is general methodology?

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Difference between hashCode() & equals()?

3 Answers   HCL,

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Why are there no global variables in java?

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can u handle an error if u write Thowable in the catch class lise try { some errorneous code }catch(Throwable e){ ...}

4 Answers  

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What is data type in java?

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What is a boolean output?

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