How to prevent changes done in class

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some one ask me in interview for c# developer for job question

But i cannot answer him .

This question is :

IF you create class and do some changes in this class and you dont need this changes

happen .

what the ways that prevent this changes happen

tell us two way to prevent changes from doing in this class .

I work in as developer c# .

can you tell me how i can answer this question if possible

What I have tried:

How to prevent changes done in class

Posted 9-Dec-16 1:46am

ahmed_sa

Updated 9-Dec-16 5:38am

Leo Chapiro

v2

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CPallini 9-Dec-16 7:56am

I'm pretty sure that wasn't exactly the question.

ZurdoDev 9-Dec-16 9:26am

I agree, that question does not make much sense. Perhaps they meant how to keep someone from overriding the methods?

Nathan Minier 9-Dec-16 10:40am

If I even remotely understand:
Declare immutable properties and methods as private OR declare the class as sealed.

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Mehdi Gholam · Answer 1 · 2016-12-09T05:38:00

Solution 1

1) You use source control and rollback your changes on the file.
2) With no source control you can use undo or ctrl+z in the editor and if you haven't closed the editor.

Posted 9-Dec-16 5:38am

Mehdi Gholam