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Write maintainable code using SOLID principles. Principles: 1. Single Responsibility (class has one reason to change). 2. Open/Closed (open for extension, closed for modification). 3. Liskov Substitution (subclasses should be substitutable for base classes). 4. Interface Segregation (many specific interfaces > one general). 5. Dependency Inversion (depend on abstractions, not concretions). Additional: DRY (Don't Repeat Yourself), KISS (Keep It Simple), YAGNI (You Aren't Gonna Need It). Use meaningful names. Functions should be small (<20 lines). Comments explain why, not what. Refactor regularly. Code is read 10x more than written.
A proven free prompt for Clean code principles SOLID is: "Write maintainable code using SOLID principles. Principles: 1. Single Responsibility (class has one reason to change). 2. Open/Closed (open for extension, closed for modification). 3. Liskov Substitut..." — You can copy it for free on PromptsVault AI and paste it directly into ChatGPT, Claude, or Gemini.
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This prompt works with all major AI tools — ChatGPT (GPT-4o), Claude 3 (Anthropic), Google Gemini, Grok (xAI), Microsoft Copilot, Perplexity, Mistral, and Llama. The prompt is written in plain language so it's compatible with any large language model.