What is array length in java?
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What will happen if non-synchronized method calls a static synchronized method and what kind of lock it acquires?
What is the return type of a program?s main() method?
Is string is a keyword in java?
what do you mean by classloader?
Which is faster string or stringbuilder?
in a constructor what happen if u call super and this in the same class? i know that it is not possible to call both in the same one? if we call what will happen?
Where import statement is used in a java program?
There are 2 different ways to create an object. a)By using keyword "new" b)By using Class.forName ("className").newInstance(); What is the difference between these 2 methods.
Can we store variables in local blocks?
Can we access instance variables within static methods ?
why HashTable not allow null key and value
What is a null class?