Practical refactoring

Question

I read about refactoring and probably did it before I even found out about it, however I really don't know much about what it really did and what it really means.

• What do you think refactoring?
• How and when do you do this?

Answer 1

What do you think refactoring?

As a purely academic definition, refactoring is a significant change to existing code that (theoretically) does not affect behavior or outcome.

In terms of practical implications, this can be a lot of things. As a small sample:

• Moving repeating blocks of code to highlighted functions
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