| User Interface Principles in API Design |
| Programmers Are People Too |
| User Interface Design is a Science |
| Fundamental Principles |
| Libraries vs. Applications |
| Remember the People |
| What to put in an API |
| Dependencies |
| Data Encapsulation |
| Constraints |
| Error handling |
| Naming Conventions |
| Avoid Complexity |
| Inheritance |
| Plays well with others (Java): |
| Plays well with others (.NET): |
| Documentation |
| Conformance Testing |
| Maintenance |
| The Last Concern (Performance) |
| Case Study: DOM vs. JDOM |
| Case Study: BoxLayout vs. GridBagLayout |
| Further Reading |