What is the difference between variable declaration and variable initialization?
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Java run-time system generates What class of exceptions?
I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?
What is skeleton and stub? What is the purpose of those?
What is the code inside the public void actionPerformed(ActionEvent ae) override method in Applet [ Condition:- you have one TextField and One Button , you have to enter any color name inside the TextField, when you click on Button Your background will change according to your input color name]
explain the life cycle of thread?
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How to do a true java ping from windows?
How can u increase the heap size in the memory?
Is void a data type?
What is the difference between variable & constant?
How many threads can I run java?
Which object oriented concept is achieved by using overloading and overriding?
What is the difference between yielding and sleeping?