# Page Not Found

The URL `9.-extends-casting-higher-order-functions` does not exist.

You might be looking for one of these pages:
- [10. Inheritance II: Extends, Casting, Higher Order Functions](https://cs61b-2.gitbook.io/cs61b-textbook/10.-inheritance-ii-extends-casting-higher-order-functions.md)
- [10.3 Casting](https://cs61b-2.gitbook.io/cs61b-textbook/10.-inheritance-ii-extends-casting-higher-order-functions/10.3-casting.md)
- [10.5 Exercises](https://cs61b-2.gitbook.io/cs61b-textbook/10.-inheritance-ii-extends-casting-higher-order-functions/10.5-exercises.md)
- [10.2 Encapsulation](https://cs61b-2.gitbook.io/cs61b-textbook/10.-inheritance-ii-extends-casting-higher-order-functions/10.2-encapsulation.md)
- [10.4 Higher Order Functions in Java](https://cs61b-2.gitbook.io/cs61b-textbook/10.-inheritance-ii-extends-casting-higher-order-functions/10.4-higher-order-functions-in-java.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://cs61b-2.gitbook.io/cs61b-textbook/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://cs61b-2.gitbook.io/cs61b-textbook/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/cs61b-textbook/10.-inheritance-ii-extends-casting-higher-order-functions.md`)
- Use `Accept: text/markdown` header for content negotiation