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Mark J Price 2023-04-13 07:47:05 +01:00
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If you find any mistakes in the seventh edition, *C# 11 and .NET 7 - Modern Cross-Platform Development Fundamentals*, or if you have suggestions for improvements, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
[**Errata** (41 items)](errata.md): Typos, tool user interface changes, or mistakes in code that would cause a compilation error that prevents a successful build.
[**Errata** (42 items)](errata.md): Typos, tool user interface changes, or mistakes in code that would cause a compilation error that prevents a successful build.
[**Improvements** (29 items)](improvements.md): Changes to text or code that would improve the content. These are optional.

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**Errata** (41 items)
**Errata** (42 items)
If you find any mistakes, then please [raise an issue in this repository](https://github.com/markjprice/cs11dotnet7/issues) or email me at markjprice (at) gmail.com.
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- [Page 185 - Creating a class library that needs testing](#page-185---creating-a-class-library-that-needs-testing)
- [Page 188 - Running unit tests using Visual Studio Code](#page-188---running-unit-tests-using-visual-studio-code)
- [Page 231 - Requiring properties to be set during instantiation](#page-231---requiring-properties-to-be-set-during-instantiation)
- [Page 235 - More about methods](#page-235---more-about-methods)
- [Page 244 - Init-only properties](#page-244---init-only-properties)
- [Page 258 - Defining and handling events](#page-258---defining-and-handling-events)
- [Page 263 - Comparing objects using a separate class](#page-263---comparing-objects-using-a-separate-class)
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- Build the `PeopleApp` project.
# Page 235 - More about methods
> Thanks to [cgwid](https://github.com/cgwid) for raising this [issue on 12 April 2023](https://github.com/markjprice/cs11dotnet7/issues/59).
In this section, we define some methods and operators so that two `Person` objects can get married and have babies. The example we model comes from the Bible story of Lamech and his two wives and their children. But the code I tell you to write does not allow Lamech to marry two women so later an exception is thrown when Lamech and his second wife try to make a baby.
cgwid suggested a solution in [the issue they raised](https://github.com/markjprice/cs11dotnet7/issues/59). I want to rethink this code example for the next edition to avoid it becoming overly complex so I will leave it to the reader to decide how they might want to solve it.
# Page 244 - Init-only properties
> Thanks to Bob Molloy for raising this issue via email.