What do you understand by the term singleton?
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what is difference between excute query ()and execute update ()?
Can an arraylist be empty?
Can we have try without catch block?
Define interface?
Is simpledateformat safe to use in the multithreaded program?
What is difference between overloading and overriding in java?
How do you generate random numbers in java?
How do you reverse sort a list in java?
Can we serialize static variables in java?
why the wait,notify,notifyall methods are placed in object class?these are the thread concepts why these methods are placed in Object class?
2 Answers Global Logic, Satyam,
What technique is carried out to find out if a particular string is empty?
What is super keyword in java ?