What is static variable and static method?
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Answer Posted / nagina
static variable:
It is a variable which belongs to the class and not to
object(instance).Static variables are initialized only
once , at the start of the execution . These variables will
be initialized first, before the initialization of any
instance variables. A single copy to be shared by all
instances of the class. A static variable can be accessed
directly by the class name and doesn’t need any object
Syntax : <class-name>.<variable-name>
static method:
It is a method which belongs to the class and not to
the object(instance). A static method can access only
static data. It can not access non-static data (instance
variables). A static method can call only other static
methods and can not call a non-static method from it.
A static method can be accessed directly by the class name
and doesn’t need any object
Syntax : <class-name>.<method-name>
A static method cannot refer to "this" or "super" keywords
in anyway
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