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What is a arraylist in java?


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More Core Java Interview Questions

strings in java are objects.why?

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Hai friends I am MCA 2006 passout. Spend time in 1 yr for teacing and 5 months in small s/w firm. worked in 4 or 5 months in few places. Presently I am writing bank exams. I want to get back to IT sector. Are there any possibilities. any growth prospects?. I am having some knowledge in core and advanced java. I am so desperate. Any suggestions thanks in advance. u can write to my mail mahidestiny@gmail.com

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What is your platform’s default character encoding?

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What happens if a try-catch-finally statement does not have a catch clause to handle an exception that is thrown within the body of the try statement?

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Can we assign integer value to char in java?

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Can bool be null?

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What is singleton math?

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How does varargs work in java?

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What is the difference between a constructor and a method?

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What is the function of http?

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What is a dynamic array java?

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Suppose there is a System A which gives some output. This output is used as input by system B. The rate at which System A produces is faster than the rate at which system B consumes it. How can you improve this?

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