添加Lesson17

This commit is contained in:
2025-09-11 15:07:37 +08:00
parent aca44bc248
commit d6767da6da
6 changed files with 325 additions and 2 deletions
@@ -0,0 +1,11 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>Lesson17_多态_vob练习</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>