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Thank you for this great course !
I would suggest creating seperate interface for dealing with format, So only interested classes can implement it, and we don't have classes with methods doesn't interest in.
Maybe the same thing for the bonus issue.
Did you violate Open-Close Principle if you change interface?
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Thank you for this great course !
I would suggest creating seperate interface for dealing with format, So only interested classes can implement it, and we don't have classes with methods doesn't interest in.
Maybe the same thing for the bonus issue.
Did you violate Open-Close Principle if you change interface?