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CLASS METHOD=
A class method is a method that is bound to the class and not the object of the class.
They have the access to the state of the class as it takes a class parameter that points to the class and not the object instance.
It can modify a class state that would apply across all the instances of the class. For example, it can modify a class variable that will be applicable to all the instances.
STATIC METHOD=
A static method is also a method that is bound to the class and not the object of the class.
A static method can’t access or modify the class state.
It is present in a class because it makes sense for the method to be present in class.