use of static,final variable Static : Move the
variable/methods/class during HDD to RAM. ie; they are available
without instantiating the class, by creating an object of that
class nd access its methods,members.Final : for Preventing the
inheritance further ie; the class with final word as prefix
cannot be extend further! static variable allocates the memory
as globally.It won't reallocate the memory while running.It
initializes the memory for the variable only once.final variable
tells the variable is final means ... what is the difference
between abstract class & interface. Clone interface is marker
interface which doest contains abstract methods. I want to say
an empty interface. Features of an Abstract Class1. Abstract
Class cannot be instantiated.2. An Abstract Class must be
inherited.3. It may have Concrete Methods.4. It may have
Abstract Methods.5. An Abstract Method of an... what is the
difference between == & .Equals The "==" operator can be used to
test primitive values for equality, and can also be