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Classes and objects are separate but related concepts.
Every object belongs to a class and every class contains
one or more related objects.1)A Class is static. All of the
attributes of a class are fixed before,during, and after
the execution of a program.
The attributes of a class don't change.The class to which
an object belongs is also (usually) static. If a particular
object belongs to a certain class at the time that it is
created then it almost certainly will still belong to that
class right up until the time that it is destroyed.
2)An Object on the other hand has a limited lifespan.
Objects are created and eventually destroyed. Also during
that lifetime, the attributes of the object may undergo
significant change.So basically the difference between a
class and an object is that a class is a general
concept while objects are the specific and real instances
that embody that concept. When creating an object oriented
program we define the classes and the relationships between
the classes . We then execute the program to create,
update, and destroy the objects which are the specific
realization of these classes.
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