How many java versions are there?

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What is a variable simple definition?

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Is vector thread safe in java?

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1.) if we use "private" in place of "public" in public static void main()... 2.) if we use "int" in place of "void".... 3.) can we ommit "static" keyword from that statement.... 4.) also can we give the command line arguments type as int type or float,etc.(.i.e (string args[]))

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Define inheritance?

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Can you explain the private protected field modifier?

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What is a default constructor and also define copy contrucyor?

0 Answers   Global Logic,

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Variable of the boolean type is automatically initialized as?

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Is arraylist zero based?

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Is 0 true or false?

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my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??

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What is ResourceBundle class?

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