What is Abstraction in java with example, java Abstract class with
example | जावा में एब्स्ट्रैक्शन क्या है उदाहरण के साथ, जावा एब्सट्रैक्ट क्लास उदाहरण के साथ
Main purpose of abstraction is to hide information for user
and showing the data to user which is recurred to user. That is not
relevant or rather shows only relevant information, to simplify it by
comparing it to something similar in the real world.
Some Points of abstraction in java:-
Hiding
internal details and showing functionality is known as abstraction.
·
It shows only required things to the user and hides all the
internal functionality details.
·
It can be achieved with either abstract-classes or interfaces
·
It is a process of hiding the implementation functionality details
from the user interface.
·
When a method that is declared as abstract class and does not have
implementation is known as abstract method.
·
Two way to achieve abstraction firstly is Abstract class and
secondly is Interface
For Example
Polymorphism
in java with example
Phone
call, we don’t know the internal processing. But when we sending a message then
we do not know about the internal functionality what is the going on internal
process. Only we can show the message is sending or not…
It
can be overrides with his characters and behaviours like his sounds
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