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What is difference in class extension and class category ?

Elena Glibart109307-Jan-2017
iosiphone ios 
Updated on 17-Sep-2020
Elena Glibart

Elena Glibart

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Elena Glibart

Elena Glibart

07-Jan-2017
Class extension is similar to a category but it can added to in a class that have source code at compile time but for class category you can implement it without source code of original class.

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