test1

C#核心/C#核心.sln

@@ -11,6 +11,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson10_封装-运算符
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson11_内部类和分部类", "Lesson11_内部类和分部类\Lesson11_内部类和分部类.csproj", "{51A60C77-3609-42BD-B0D9-83E1B61B6E69}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lesson12_继承-继承的基本概念练习", "Lesson12_继承_继承的基本概念练习\Lesson12_继承-继承的基本概念练习.csproj", "{DD7B30CE-773B-4752-9703-D0D5E6E4F376}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -33,6 +35,10 @@ Global
 		{51A60C77-3609-42BD-B0D9-83E1B61B6E69}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{51A60C77-3609-42BD-B0D9-83E1B61B6E69}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{51A60C77-3609-42BD-B0D9-83E1B61B6E69}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DD7B30CE-773B-4752-9703-D0D5E6E4F376}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DD7B30CE-773B-4752-9703-D0D5E6E4F376}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DD7B30CE-773B-4752-9703-D0D5E6E4F376}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DD7B30CE-773B-4752-9703-D0D5E6E4F376}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

C#核心/Lesson12_继承-继承的基本概念练习/Lesson12_继承-继承的基本概念练习.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Lesson12_继承_继承的基本概念练习</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

C#核心/Lesson12_继承-继承的基本概念练习/Program.cs

@@ -0,0 +1,34 @@
+namespace Lesson12_继承_继承的基本概念练习
+{
+    class Human
+    {
+        public string name;
+        public int age;
+        public void Speak()
+        {
+            Console.WriteLine("说话");
+        }
+    }
+    class Warrior : Human
+    {
+        public int atk;
+        public void Attack()
+        {
+            Console.WriteLine("攻击");
+        }
+    }
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello, World!");
+            Warrior w = new Warrior();
+            w.name = "HK";
+            w.age = 18;
+            w.Speak();
+            w.atk = 5;
+            w.Attack();
+
+        }
+    }
+}

C#核心/Lesson12_继承_继承的基本概念练习/Lesson12_继承-继承的基本概念练习.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

C#核心/Lesson12_继承_继承的基本概念练习/Program.cs

@@ -0,0 +1,34 @@
+namespace Lesson12_继承_继承的基本概念练习
+{
+    class Human
+    {
+        public string name;
+        public int age;
+        public void Speak()
+        {
+            Console.WriteLine("说话");
+        }
+    }
+    class Warrior : Human
+    {
+        public int atk;
+        public void Attack()
+        {
+            Console.WriteLine("攻击");
+        }
+    }
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello, World!");
+            Warrior w = new Warrior();
+            w.name = "HK";
+            w.age = 18;
+            w.Speak();
+            w.atk = 5;
+            w.Attack();
+
+        }
+    }
+}