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Is it a common practice to store it in variable and then use it?
In method onClick(): Why do we store the result from getFact() into variable "fact" when 1 row later we just use it as a parameter in setText() ?
Why not just type right away: mFactTextView.setText(mFactbook.getFact());
Is it like a common practice that we should obey?
Ben DeitchTreehouse Teacher
Nope, you're free to write your code however you like! I usually like this way because I think it makes it a little bit easier to read what's going on with the code.