WHEN WE MAKE METHOD AS FINAL, ABSTRACT AND VIRTUAL IN APEX?

Q. When We Make Method As Final, Abstract And Virtual In Apex?

ANS: 
 Final:
       If the implementation is perfect and does not requires any further modification then make that method is  final.

Abstract:
      If we don't know the implementation of method now and can implemented latter then make that method as abstract.

Virtual:
     If method is implemented for a specific purpose and can be modified for any other purpose then make that method as virtual.

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Sfdc Gurukul- All in one place for salesforce and force.com step by step tutorial for beginners: WHEN WE MAKE METHOD AS FINAL, ABSTRACT AND VIRTUAL IN APEX?
WHEN WE MAKE METHOD AS FINAL, ABSTRACT AND VIRTUAL IN APEX?
When We Make Method As Final, Abstract And Virtual In Apex?,when to make method as final?,when to make method as abstract?,when to make method as virtual?when to use final keyword in apex,when to use abstract keyword in apex,when to use virtual keyword in apex
Sfdc Gurukul- All in one place for salesforce and force.com step by step tutorial for beginners
http://sfdcgurukul.blogspot.in/2014/02/when-we-make-method-as-final-abstract.html
http://sfdcgurukul.blogspot.in/
http://sfdcgurukul.blogspot.com/
http://sfdcgurukul.blogspot.com/2014/02/when-we-make-method-as-final-abstract.html
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