Why java strings are immutable in nature?
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Explain covariant method overriding in java.
Can u write constructor in abstract.If yes den when it will be invoked.
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[]))
What is the final keyword in java?
What is illegal identifier in java?
Variable of the boolean type is automatically initialized as?
What is a module function?
what is main purpose of abstract class?
How to prevent to create multiple objects of a java class?
What is a arraylist in java?
Explain throw keyword in java?
What is java instanceof operator?