SE-Radio Episode 295: Michael Feathers on Legacy Code

Code Quality

Evaluating code quality is crucial for identifying potential improvements and risks within a codebase. Michael Feathers suggests using visual tools like color coding or numeric grading to assess different areas of code, allowing teams to track changes over time and communicate effectively with business stakeholders 1. This approach helps in making informed decisions about feature development and addressing technical debt. Feathers emphasizes the importance of subjective judgment in assessing code quality, as metrics alone may not capture the ease of modification 2.

   

Communication

Transparent communication about code quality and technical debt is vital for informed decision-making. Feathers highlights the need for businesses to understand the software's architecture to make better choices regarding feature additions 3. By providing a health grade for components, developers can convey the readiness for change and prevent suboptimal decisions. He also notes the value of using version control history to identify hotspots and areas needing improvement 4.