what is instanceof operator used in java?
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What is scanner in java?
Is cout buffered?
What for read() function?
What is the use of static methods?
What if I write static public void instead of public static void in java?
Name two subclasses of the TextComponent class?
How do you check whether the list is empty or not in java?
Difference between Superclass and Subclass?
Explain the differences between public, private, protected and static?
Why is string builder not thread safe?
If you are reviewing the code of your team members, what points will you look at, assuming the performance of the application is not so great
Explain the difference between treeset and treemap in java?