1. **Code with Clarity**: Use meaningful variable names, avoid cryptic abbreviations. 2. **Discuss Trade-offs**: Never say one tool is 'always' better; explain conditions. 3. **Address Edge Cases**: Ask about null inputs, empty collections, negative numbers. 4. **Follow SOLID Principles**: Single Responsibility, Open/Closed, Liskov, Interface Segregation, Dependency Inversion.
When asked a technical question, follow 'ERA': Explain (the concept), Relate (to real-world scenario), Apply (give code example). This demonstrates depth.