What is the purpose of static methods and static variables?
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What is jagged array in java?
can we take more than one null values for Unique constraints.
Give example to differentiate between call by value and call by reference.
How do you empty a list in java?
what is mean by overriding in which situation we wil use?
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can u handle an error if u write Thowable in the catch class lise try { some errorneous code }catch(Throwable e){ ...}
Is there any limitation of using inheritance?
Explain the difference between jvm and jre?
What is the difference between I ++ and ++ I in java?
what do you understand by synchronization? Or what is synchronization and why is it important? Or describe synchronization in respect to multithreading? Or what is synchronization? : Java thread
What are methods of a class?
Explain the difference between scrollbar and scrollpane?