Anti Patterns Catalog

Software Design Anti-Patterns

Anti-Pattern	Description	Key Drawbacks
God Object	Class that does everything	Violates Single Responsibility Principle
Poltergeists	Classes with limited responsibilities	Short lifecycles, unclear purpose
Boat Anchor	Retaining unused system parts	Maintenance burden, complexity
Golden Hammer	Overreliance on familiar solutions	Suboptimal problem-solving
Lava Flow	Retaining undesirable code	Technical debt accumulation

Object-Oriented Programming Anti-Patterns

Anti-Pattern	Description	Key Drawbacks
Circular Dependency	Mutually dependent classes	Tight coupling, maintainability issues
Constant Interface	Interfaces that define constants	Improper use of interfaces
Yo-Yo Problem	Excessively fragmented structure	Reduced code comprehension

Project Management Anti-Patterns

Anti-Pattern	Description	Key Drawbacks
Analysis Paralysis	Overthinking without action	Delays, missed opportunities
Death March	Overcompressed project parameters	Burnout, failure risk
Scope Creep	Uncontrolled scope changes	Budget/schedule overruns
Mushroom Management	Keeping developers uninformed	Disengagement, poor decisions

Organizational Anti-Patterns

Anti-Pattern	Description	Key Drawbacks
Blame Storming	Finger-pointing instead of problem-solving	Unresolved issues, team conflict
Moral Hazard	Insulating decision-makers from consequences	Misaligned incentives, poor outcomes
Stovepipe or Silos	Isolated groups within organization	Inefficiency, duplicated effort

Methodological Anti-Patterns

Anti-Pattern	Description	Key Drawbacks
Copy-and-Paste Programming	Duplicating code across program	Maintainability issues, bugs
Coding by Exception	Adding code for special cases	Complexity, maintainability issues
Reinventing the Wheel	Creating custom solutions unnecessarily	Wasted effort, missed benefits
Premature Optimization	Optimizing without proven need	Overengineering, wasted resources

Software Architecture Anti-Patterns

Anti-Pattern	Description	Key Drawbacks
Stovepipe System	Poorly integrated components	Limited interoperability, agility
Vendor Lock-In	Overreliance on proprietary tech	Reduced flexibility, cost
Design by Committee	Consensus-based design choices	Suboptimal expertise-driven decisions

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