Why vector is used in java?
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what is mutual exclusion? : Java thread
Explain the importance of import keyword in java?
Explain the protected field modifier?
Can an abstract class be a final class?
Why we use multi threading instead of multiprocessing?
What are the advantages of inner classes?
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??
Explain about sets?
which method is used to know the status of the Thread?
What is meant by null and void?
Can we use String with switch case?
what is the difference between @include page and @include file