Java Abstraction with examples

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In this video you will learn what is abstraction in java and how to implement abstraction in java with examples step by step process
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What does it mean by hiding from the user?
We can write the code to withdraw money from atm in a class too and also the user cannot see the code, right?
Can you explain this scenario with and without using abstraction?

akhiladapa
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Class name =any name;
Any name=object name;
System.out.println(any name);
That is abstrac class run

chavdagautam
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Sir don't explain more than 1 class on 1 page
Distribute them on different different pages
After that we can understand batter
Otherwise everything was good and I got

isuryakant
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Small doubt we have to override during extends from one class to another class

jayanthjay
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Your reference type and object type (Honda) is the same then how is abstraction achieved here ? This code will work even without Bike class. Then why define it ? How have u used abstract class Bike to implement abstraction ?

Mohanish
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apki voice sun kar lag rahi hey Daru kha kya class lya rahi ho

subhamkarmakar