What is the difference between assignment and initialization?
Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???
What are the four corner stones of oop?
What is the difference between the paint() and repaint() methods?
what is inner class?
What is the primitive type byte?
when asub class inherits a super class and overrides a public method of super class in sub class(public method in super class). why these methods needs to be public in sub class. (otherwise compile time error).
What is autoboxing and unboxing?
What is difference between static method and static variable?
Is it possible to write method inside method
What is the concept of multithreading?
Can constructor be inherited?
what is the difference between sleep() and Wait()?