Answer Posted / pranab dutta

Vector is synchronized
Arraylist is not synchronized.

Why do we need singleton class?

761

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How many days will it take to learn java?

719

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What is byte code and why is it important to java’s use for internet programming?

838

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Can we override constructor?

792

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Is string thread safe in java?

840

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Why are parameters used in functions?

733

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What is the purpose class.forname method?

761

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What is OOP's Terms with explanation?

897

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What does n mean?

727

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Define nashorn in java8.

814

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What are the important methods of java exception class?

765

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Why object class is super class for every class in java?

819

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Write a program in java to establish a connection between client and server?

735

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What are format specifiers in java?

829

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What are the types of arrays in java?

839

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