Added everything from Neumann

20230925/ConsoleApp1/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

20230925/ConsoleApp1/ConsoleApp1.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{D9C6D66B-B867-4E06-B0EF-31C531ADA779}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>ConsoleApp1</RootNamespace>
+    <AssemblyName>ConsoleApp1</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

20230925/ConsoleApp1/ConsoleApp1.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.33529.622
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleApp1", "ConsoleApp1.csproj", "{D9C6D66B-B867-4E06-B0EF-31C531ADA779}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{D9C6D66B-B867-4E06-B0EF-31C531ADA779}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D9C6D66B-B867-4E06-B0EF-31C531ADA779}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D9C6D66B-B867-4E06-B0EF-31C531ADA779}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D9C6D66B-B867-4E06-B0EF-31C531ADA779}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B5D67275-86C5-4833-8AF0-2906915C859E}
+	EndGlobalSection
+EndGlobal

20230925/ConsoleApp1/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Collections;
+
+namespace ConsoleApp1
+{
+    class Program
+    {
+        static void Feladat1()
+        {
+            ArrayList arlist = new ArrayList();
+            Random random = new Random();
+            for (int i = 0; i < 100; ++i)
+            {
+                int x = random.Next(100, 500);
+                arlist.Add(x);
+            }
+
+            foreach (int i in arlist)
+            {
+                Console.WriteLine(i);
+            }
+
+            int a = arlist.Count;
+            int b = arlist.Capacity;
+            bool c = arlist.Contains(125);
+            arlist.Sort();
+            Console.WriteLine("");
+            Console.WriteLine(a);
+            Console.WriteLine(b);
+            Console.WriteLine(c);
+            Console.WriteLine("");
+
+            foreach (int i in arlist)
+            {
+                Console.WriteLine(i);
+            }
+            arlist.Clear();
+
+            foreach (int i in arlist)
+            {
+                Console.WriteLine(i);
+            }
+
+            
+        }
+
+        static void Feladat2()
+        {
+            string maidatum = "";
+            ArrayList date_0 = new ArrayList();
+            ArrayList date_1 = new ArrayList();
+            ArrayList date_2 = new ArrayList();
+            ArrayList date_3 = new ArrayList();
+            ArrayList date_4 = new ArrayList();
+            maidatum = Console.ReadLine();
+            do
+            {
+                string[] date = maidatum.Split('.');
+                date_0.Add(date[0]);
+                date_1.Add(date[1]);
+                date_2.Add(date[2]);
+                date_3.Add(date[3]);
+                date_4.Add(date[4]);
+                maidatum = Console.ReadLine();
+            } while (maidatum != "0");
+
+            for (int i = 0; i <  date_0.Count; i++)
+            {
+                Console.WriteLine($"{date_0[i]}.{date_1[i]}.{date_2[i]} {date_3[i]}:{date_4[i]}");
+            }
+
+            
+        }
+        static void Main(string[] args)
+        {
+            Feladat2();
+            Console.ReadLine();
+        }
+    }
+}

20230925/ConsoleApp1/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("ConsoleApp1")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("ConsoleApp1")]
+[assembly: AssemblyCopyright("Copyright ©  2023")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("d9c6d66b-b867-4e06-b0ef-31c531ada779")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

20230925/ConsoleApp1/bin/Debug/ConsoleApp1.exe.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

20230925/ConsoleApp1/obj/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs

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+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]

20230925/ConsoleApp1/obj/Debug/ConsoleApp1.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+7f4b213b428f4c013f19137338418ee1f5525793

20230925/ConsoleApp1/obj/Debug/ConsoleApp1.csproj.FileListAbsolute.txt

@@ -0,0 +1,7 @@
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\bin\Debug\ConsoleApp1.exe.config
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\bin\Debug\ConsoleApp1.exe
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\bin\Debug\ConsoleApp1.pdb
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\obj\Debug\ConsoleApp1.csproj.AssemblyReference.cache
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\obj\Debug\ConsoleApp1.csproj.CoreCompileInputs.cache
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\obj\Debug\ConsoleApp1.exe
+C:\Users\szabomarton\Desktop\C#\20230925\ConsoleApp1\obj\Debug\ConsoleApp1.pdb