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Ad-hoc development is unstructured, often done without planning or documentation. SDLC provides a systematic alternative.
Comparison Table:
| Aspect | SDLC | Ad-hoc Development |
|---|---|---|
| Planning | Structured, documented | Minimal or none |
| Predictability | High | Low |
| Quality | Standardized | Variable |
| Risk Management | Systematic | Rarely considered |
| Team Collaboration | Clear roles & processes | Informal |
| Maintenance | Easier due to documentation | Difficult |
Key takeaway:
Ad-hoc coding may work for small scripts but SDLC is required for professional, scalable, and maintainable software.