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Shotgun Surgery, Divergent Change, and Parallel Inheritance Hierarchies

This generated surface maps a learner-facing curriculum unit to its canonical source routes.

Curriculum surface​

  • Open learner-facing unit
  • Curriculum path: content/curriculum/foundations/semester-03-software-design/module-01-ood-foundations-and-smells/concepts/cluster-05-system-level-smells-and-design-judgment/14-shotgun-surgery-divergent-change-and-parallel-inheritance-hierarchies-supporting.md
  • App: foundations
  • Semester: semester-03-software-design
  • Module: module-01-ood-foundations-and-smells
  • Unit kind: concept
  • Curation level: generated_default

Learning objectives​

  • Explain Shotgun Surgery, Divergent Change, and Parallel Inheritance Hierarchies in the language of the current curriculum, not just the source book.
  • Apply Shotgun Surgery, Divergent Change, and Parallel Inheritance Hierarchies to one concrete learner task or example inside this semester.
  • Use refactoring as a selective source of truth when the learner-facing explanation is not enough.

Prerequisites​

  • The earlier concept pages and practice tasks in the current module.

Source books​

  • refactoring

Source routes​

Refactoring​

  • /books/refactoring via Refactoring: Collapse Hierarchy / Replace Subclass with Delegate, Refactoring: Combine Functions into Class, Refactoring: Divergent Change to Feature Envy, Refactoring: Extract Class, Refactoring: Move Function (Part 1)

Supporting curriculum routes​

No supporting curriculum routes linked yet.

External enrichment​

No curated enrichment resources yet.

AI companion modes​

  • Explain simply
  • Socratic tutor
  • Quiz me
  • Challenge my understanding
  • Diagnose my confusion
  • Generate extra practice
  • Revision mode
  • Connect forward / backward

Source-of-truth note​

This teaching unit is learner-facing guidance. Its canonical source backbone is the referenced book refactoring, and outside material should only clarify or strengthen that backbone.