├── PolymorphismCpp
    ├── PolymorphismCpp.vcxproj.user
    ├── PolymorphismCpp.vcxproj.filters
    ├── PolymorphismCpp.cpp
    └── PolymorphismCpp.vcxproj
└── PolymorphismCpp.sln


/PolymorphismCpp/PolymorphismCpp.vcxproj.user:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
3 |   <PropertyGroup />
4 | </Project>


--------------------------------------------------------------------------------
/PolymorphismCpp/PolymorphismCpp.vcxproj.filters:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 3 |   <ItemGroup>
 4 |     <Filter Include="Source Files">
 5 |       <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
 6 |       <Extensions>cpp;c;cc;cxx;c++;def;odl;idl;hpj;bat;asm;asmx</Extensions>
 7 |     </Filter>
 8 |     <Filter Include="Header Files">
 9 |       <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
10 |       <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
11 |     </Filter>
12 |     <Filter Include="Resource Files">
13 |       <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
14 |       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
15 |     </Filter>
16 |   </ItemGroup>
17 |   <ItemGroup>
18 |     <ClCompile Include="PolymorphismCpp.cpp">
19 |       <Filter>Source Files</Filter>
20 |     </ClCompile>
21 |   </ItemGroup>
22 | </Project>


--------------------------------------------------------------------------------
/PolymorphismCpp/PolymorphismCpp.cpp:
--------------------------------------------------------------------------------
 1 | #include <iostream>
 2 | #include <list>
 3 | using namespace std;
 4 | 
 5 | class YouTubeChannel {
 6 | private:
 7 | 	string Name;
 8 | 	int SubscribersCount;
 9 | 	list<string> PublishedVideoTitles;
10 | protected:
11 | 	string OwnerName;
12 | public:
13 | 	YouTubeChannel(string name, string ownerName) {
14 | 		Name = name;
15 | 		OwnerName = ownerName;
16 | 		SubscribersCount = 0;
17 | 	}
18 | 	void GetInfo() {
19 | 		cout << "Name: " << Name << endl;
20 | 		cout << "OwnerName: " << OwnerName << endl;
21 | 		cout << "SubscribersCount: " << SubscribersCount << endl;
22 | 		cout << "Videos: " << endl;
23 | 		for (string videoTitle : PublishedVideoTitles) {
24 | 			cout << videoTitle << endl;
25 | 		}
26 | 	}
27 | 	void Subscribe() {
28 | 		SubscribersCount++;
29 | 	}
30 | 	void Unsubscribe() {
31 | 		if (SubscribersCount > 0)
32 | 			SubscribersCount--;
33 | 	}
34 | 	void PublishVideo(string title) {
35 | 		PublishedVideoTitles.push_back(title);
36 | 	}
37 | };
38 | 
39 | class CookingYouTubeChannel :public YouTubeChannel {
40 | public:
41 | 	CookingYouTubeChannel(string name, string ownerName):YouTubeChannel(name, ownerName) {
42 | 
43 | 	}
44 | 	void Practice() {
45 | 		cout << OwnerName << " is practicing cooking, learning new recipes, experimenting with spices..." << endl;
46 | 	}
47 | };
48 |  
49 | int main()
50 | {
51 | 	CookingYouTubeChannel cookingYouTubeChannel("Amy's Kitchen", "Amy");
52 | 
53 | 	system("pause>0");
54 | }


--------------------------------------------------------------------------------
/PolymorphismCpp.sln:
--------------------------------------------------------------------------------
 1 | 
 2 | Microsoft Visual Studio Solution File, Format Version 12.00
 3 | # Visual Studio Version 16
 4 | VisualStudioVersion = 16.0.30309.148
 5 | MinimumVisualStudioVersion = 10.0.40219.1
 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PolymorphismCpp", "PolymorphismCpp\PolymorphismCpp.vcxproj", "{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}"
 7 | EndProject
 8 | Global
 9 | 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
10 | 		Debug|x64 = Debug|x64
11 | 		Debug|x86 = Debug|x86
12 | 		Release|x64 = Release|x64
13 | 		Release|x86 = Release|x86
14 | 	EndGlobalSection
15 | 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
16 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Debug|x64.ActiveCfg = Debug|x64
17 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Debug|x64.Build.0 = Debug|x64
18 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Debug|x86.ActiveCfg = Debug|Win32
19 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Debug|x86.Build.0 = Debug|Win32
20 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Release|x64.ActiveCfg = Release|x64
21 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Release|x64.Build.0 = Release|x64
22 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Release|x86.ActiveCfg = Release|Win32
23 | 		{099A1C17-EAA3-4D30-9CCD-C7C804F810D6}.Release|x86.Build.0 = Release|Win32
24 | 	EndGlobalSection
25 | 	GlobalSection(SolutionProperties) = preSolution
26 | 		HideSolutionNode = FALSE
27 | 	EndGlobalSection
28 | 	GlobalSection(ExtensibilityGlobals) = postSolution
29 | 		SolutionGuid = {B9D38C00-BB46-4E5B-9F5D-AD40A83EAB95}
30 | 	EndGlobalSection
31 | EndGlobal
32 | 


--------------------------------------------------------------------------------
/PolymorphismCpp/PolymorphismCpp.vcxproj:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  3 |   <ItemGroup Label="ProjectConfigurations">
  4 |     <ProjectConfiguration Include="Debug|Win32">
  5 |       <Configuration>Debug</Configuration>
  6 |       <Platform>Win32</Platform>
  7 |     </ProjectConfiguration>
  8 |     <ProjectConfiguration Include="Release|Win32">
  9 |       <Configuration>Release</Configuration>
 10 |       <Platform>Win32</Platform>
 11 |     </ProjectConfiguration>
 12 |     <ProjectConfiguration Include="Debug|x64">
 13 |       <Configuration>Debug</Configuration>
 14 |       <Platform>x64</Platform>
 15 |     </ProjectConfiguration>
 16 |     <ProjectConfiguration Include="Release|x64">
 17 |       <Configuration>Release</Configuration>
 18 |       <Platform>x64</Platform>
 19 |     </ProjectConfiguration>
 20 |   </ItemGroup>
 21 |   <PropertyGroup Label="Globals">
 22 |     <VCProjectVersion>16.0</VCProjectVersion>
 23 |     <Keyword>Win32Proj</Keyword>
 24 |     <ProjectGuid>{099a1c17-eaa3-4d30-9ccd-c7c804f810d6}</ProjectGuid>
 25 |     <RootNamespace>PolymorphismCpp</RootNamespace>
 26 |     <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
 27 |   </PropertyGroup>
 28 |   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
 29 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
 30 |     <ConfigurationType>Application</ConfigurationType>
 31 |     <UseDebugLibraries>true</UseDebugLibraries>
 32 |     <PlatformToolset>v142</PlatformToolset>
 33 |     <CharacterSet>Unicode</CharacterSet>
 34 |   </PropertyGroup>
 35 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
 36 |     <ConfigurationType>Application</ConfigurationType>
 37 |     <UseDebugLibraries>false</UseDebugLibraries>
 38 |     <PlatformToolset>v142</PlatformToolset>
 39 |     <WholeProgramOptimization>true</WholeProgramOptimization>
 40 |     <CharacterSet>Unicode</CharacterSet>
 41 |   </PropertyGroup>
 42 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
 43 |     <ConfigurationType>Application</ConfigurationType>
 44 |     <UseDebugLibraries>true</UseDebugLibraries>
 45 |     <PlatformToolset>v142</PlatformToolset>
 46 |     <CharacterSet>Unicode</CharacterSet>
 47 |   </PropertyGroup>
 48 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
 49 |     <ConfigurationType>Application</ConfigurationType>
 50 |     <UseDebugLibraries>false</UseDebugLibraries>
 51 |     <PlatformToolset>v142</PlatformToolset>
 52 |     <WholeProgramOptimization>true</WholeProgramOptimization>
 53 |     <CharacterSet>Unicode</CharacterSet>
 54 |   </PropertyGroup>
 55 |   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
 56 |   <ImportGroup Label="ExtensionSettings">
 57 |   </ImportGroup>
 58 |   <ImportGroup Label="Shared">
 59 |   </ImportGroup>
 60 |   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
 61 |     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
 62 |   </ImportGroup>
 63 |   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
 64 |     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
 65 |   </ImportGroup>
 66 |   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
 67 |     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
 68 |   </ImportGroup>
 69 |   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
 70 |     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
 71 |   </ImportGroup>
 72 |   <PropertyGroup Label="UserMacros" />
 73 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
 74 |     <LinkIncremental>true</LinkIncremental>
 75 |   </PropertyGroup>
 76 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
 77 |     <LinkIncremental>false</LinkIncremental>
 78 |   </PropertyGroup>
 79 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
 80 |     <LinkIncremental>true</LinkIncremental>
 81 |   </PropertyGroup>
 82 |   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
 83 |     <LinkIncremental>false</LinkIncremental>
 84 |   </PropertyGroup>
 85 |   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
 86 |     <ClCompile>
 87 |       <WarningLevel>Level3</WarningLevel>
 88 |       <SDLCheck>true</SDLCheck>
 89 |       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
 90 |       <ConformanceMode>true</ConformanceMode>
 91 |     </ClCompile>
 92 |     <Link>
 93 |       <SubSystem>Console</SubSystem>
 94 |       <GenerateDebugInformation>true</GenerateDebugInformation>
 95 |     </Link>
 96 |   </ItemDefinitionGroup>
 97 |   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
 98 |     <ClCompile>
 99 |       <WarningLevel>Level3</WarningLevel>
100 |       <FunctionLevelLinking>true</FunctionLevelLinking>
101 |       <IntrinsicFunctions>true</IntrinsicFunctions>
102 |       <SDLCheck>true</SDLCheck>
103 |       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
104 |       <ConformanceMode>true</ConformanceMode>
105 |     </ClCompile>
106 |     <Link>
107 |       <SubSystem>Console</SubSystem>
108 |       <EnableCOMDATFolding>true</EnableCOMDATFolding>
109 |       <OptimizeReferences>true</OptimizeReferences>
110 |       <GenerateDebugInformation>true</GenerateDebugInformation>
111 |     </Link>
112 |   </ItemDefinitionGroup>
113 |   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
114 |     <ClCompile>
115 |       <WarningLevel>Level3</WarningLevel>
116 |       <SDLCheck>true</SDLCheck>
117 |       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
118 |       <ConformanceMode>true</ConformanceMode>
119 |     </ClCompile>
120 |     <Link>
121 |       <SubSystem>Console</SubSystem>
122 |       <GenerateDebugInformation>true</GenerateDebugInformation>
123 |     </Link>
124 |   </ItemDefinitionGroup>
125 |   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
126 |     <ClCompile>
127 |       <WarningLevel>Level3</WarningLevel>
128 |       <FunctionLevelLinking>true</FunctionLevelLinking>
129 |       <IntrinsicFunctions>true</IntrinsicFunctions>
130 |       <SDLCheck>true</SDLCheck>
131 |       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
132 |       <ConformanceMode>true</ConformanceMode>
133 |     </ClCompile>
134 |     <Link>
135 |       <SubSystem>Console</SubSystem>
136 |       <EnableCOMDATFolding>true</EnableCOMDATFolding>
137 |       <OptimizeReferences>true</OptimizeReferences>
138 |       <GenerateDebugInformation>true</GenerateDebugInformation>
139 |     </Link>
140 |   </ItemDefinitionGroup>
141 |   <ItemGroup>
142 |     <ClCompile Include="PolymorphismCpp.cpp" />
143 |   </ItemGroup>
144 |   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
145 |   <ImportGroup Label="ExtensionTargets">
146 |   </ImportGroup>
147 | </Project>


--------------------------------------------------------------------------------