What is the synonym of framework?
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When should we create our own custom exception classes?
What is equlas() and hashcode() contract in java? Where does it used?
Can we have multiple classes in single file ?
What is difference between equal and == in java?
Can a class be protected in java?
what is jms? features of jms
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??
Can we define a package statement after the import statement in java?
What is the difference between normal report & matrix report?
What is the difference between sleep and wait in java?
Is there any case when finally will not be executed?
What are the different conditional statements?