> For the complete documentation index, see [llms.txt](https://cs61b-2.gitbook.io/cs61b-textbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cs61b-2.gitbook.io/cs61b-textbook/12.-inheritance-iv-iterators-object-methods.md).

# 12. Inheritance IV: Iterators, Object Methods

This section covers Lists and Sets, how to throw informative exceptions, iterations, and object methods. Its contents correspond to Lecture 11.