diff --git a/DesignPattern/DesignPattern.sln b/DesignPattern/DesignPattern.sln
index 22f1228..4dcf93b 100644
--- a/DesignPattern/DesignPattern.sln
+++ b/DesignPattern/DesignPattern.sln
@@ -1,7 +1,7 @@
Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.32630.194
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32811.315
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Singleton", "Singleton\Singleton.csproj", "{37FE4D0C-A213-4EA5-B3EF-DB2DB3971ACE}"
EndProject
@@ -25,6 +25,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Facade", "Facade\Facade.csp
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Proxy", "Proxy\Proxy.csproj", "{F6C67C41-900D-4606-A6D6-BA059D6485A0}"
EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Iterator", "Iterator\Iterator.csproj", "{FB64AA57-5E45-4DD9-B152-8548CFDD235F}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -75,6 +77,10 @@ Global
{F6C67C41-900D-4606-A6D6-BA059D6485A0}.Debug|Any CPU.Build.0 = Debug|Any CPU
{F6C67C41-900D-4606-A6D6-BA059D6485A0}.Release|Any CPU.ActiveCfg = Release|Any CPU
{F6C67C41-900D-4606-A6D6-BA059D6485A0}.Release|Any CPU.Build.0 = Release|Any CPU
+ {FB64AA57-5E45-4DD9-B152-8548CFDD235F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {FB64AA57-5E45-4DD9-B152-8548CFDD235F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {FB64AA57-5E45-4DD9-B152-8548CFDD235F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {FB64AA57-5E45-4DD9-B152-8548CFDD235F}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
diff --git a/DesignPattern/Iterator/App.config b/DesignPattern/Iterator/App.config
new file mode 100644
index 0000000..aee9adf
--- /dev/null
+++ b/DesignPattern/Iterator/App.config
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/DesignPattern/Iterator/Iterator.csproj b/DesignPattern/Iterator/Iterator.csproj
new file mode 100644
index 0000000..e03ce46
--- /dev/null
+++ b/DesignPattern/Iterator/Iterator.csproj
@@ -0,0 +1,53 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {FB64AA57-5E45-4DD9-B152-8548CFDD235F}
+ Exe
+ Iterator
+ Iterator
+ v4.8.1
+ 512
+ true
+ true
+
+
+ AnyCPU
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ AnyCPU
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/DesignPattern/Iterator/Program.cs b/DesignPattern/Iterator/Program.cs
new file mode 100644
index 0000000..2a89267
--- /dev/null
+++ b/DesignPattern/Iterator/Program.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Iterator
+{
+ /*
+ * 카테고리: 행위 패턴
+ * 개요: 컬렉션 혹은 Aggregate 객체의 데이터를 순차적으로 액세스 하기 위해
+ * 별도의 Iterator 객체를 사용하여 컬렉션의 내부구조를 알 필요 없이
+ * Iterator 만으로 쉽게 순차적 액세스를 할 수 있게 함
+ */
+ internal class Program
+ {
+ static void Main(string[] args)
+ {
+ }
+ }
+}
diff --git a/DesignPattern/Iterator/Properties/AssemblyInfo.cs b/DesignPattern/Iterator/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..493e7a1
--- /dev/null
+++ b/DesignPattern/Iterator/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// 어셈블리에 대한 일반 정보는 다음 특성 집합을 통해
+// 제어됩니다. 어셈블리와 관련된 정보를 수정하려면
+// 이러한 특성 값을 변경하세요.
+[assembly: AssemblyTitle("Iterator")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Iterator")]
+[assembly: AssemblyCopyright("Copyright © 2022")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// ComVisible을 false로 설정하면 이 어셈블리의 형식이 COM 구성 요소에
+// 표시되지 않습니다. COM에서 이 어셈블리의 형식에 액세스하려면
+// 해당 형식에 대해 ComVisible 특성을 true로 설정하세요.
+[assembly: ComVisible(false)]
+
+// 이 프로젝트가 COM에 노출되는 경우 다음 GUID는 typelib의 ID를 나타냅니다.
+[assembly: Guid("fb64aa57-5e45-4dd9-b152-8548cfdd235f")]
+
+// 어셈블리의 버전 정보는 다음 네 가지 값으로 구성됩니다.
+//
+// 주 버전
+// 부 버전
+// 빌드 번호
+// 수정 버전
+//
+// 모든 값을 지정하거나 아래와 같이 '*'를 사용하여 빌드 번호 및 수정 번호를
+// 기본값으로 할 수 있습니다.
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]