Repetitive code indicates poor design

Research Findings
What should you look for?
Professional Software Development
Repetitive code indicates poor design

Research Finding:
Copy and Paste is a design error.

IfSQ Defect Indicators based on this finding:

SPM-3—Copy/Paste Programming
An identical or largely similar section of code appears in two or more places in a program or set of programs. Copy and Paste is considered by many industry experts to be a design error.

Source:

Cover of IEEE Software

Why You Should Use Routines, Routinely

Recorded 1998 in IEEE Software, 15, no. 4, July/August
Pages 94-95
Steve McConnell

Copyright © 2005, 2012 by IfSQ, Institute for Software Quality. All Rights Reserved.