nullable

Nullable/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

Nullable/Nullable.csproj

@@ -0,0 +1,53 @@
+<?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>{0A107BAE-0E3C-452E-8524-ABB336CFCC1B}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Nullable</RootNamespace>
+    <AssemblyName>Nullable</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>

Nullable/Program.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nullable {
+    internal class Program {
+        public static void n_kiir(int?[,] tömb) {
+            for (int i = 0; i < tömb.GetLength(0); i++) {
+                for (int j = 0; j < tömb.GetLength(1); j++) {
+                    if(tömb[i,j] == null) {
+                        Console.Write("null");
+
+                    }
+                }
+                Console.WriteLine();
+            }
+        }
+
+        static void Main(string[] args) {
+            Console.WriteLine("Adja meg hány soros legyen a mátrixa");
+            int sor = Convert.ToInt32(Console.ReadLine());
+            Console.WriteLine("Adja meg hány oszlopos legyen a mátrixa");
+            int oszlop = Convert.ToInt32(Console.ReadLine());
+
+            int?[,] mátrix = new int?[sor, oszlop];
+            n_kiir(mátrix);
+            
+            string folytatas = "igen";
+            while (folytatas == "igen") {
+                Console.WriteLine("Írja be vesszővel elválasztva, hogy a maga által megadott sor, oszlop, milyen értéket adjon. Formátum: sorszám,oszlopszám,érték");
+                string bekeres = Console.ReadLine();
+                string[] beker = bekeres.Split(',');
+                sor = Convert.ToInt32(beker[0]);
+                oszlop = Convert.ToInt32(beker[1]);
+                int ertek = Convert.ToInt32(Math.Round(Convert.ToDouble(beker[2])));
+
+                if (mátrix[sor, oszlop] == null) {
+                    mátrix[sor, oszlop] = ertek;
+                } else {
+                    Console.WriteLine("Ez a hely már foglalt.");
+
+                }
+
+                Console.WriteLine("Akarod emég folytatni?");
+                folytatas = Console.ReadLine();
+
+            }
+
+
+            for (int i = 0; i < mátrix.GetLength(0); i++) {
+                for (int j = 0; j < mátrix.GetLength(1); j++) {
+                    Console.WriteLine(mátrix[i,j] + " ");
+                }
+                Console.WriteLine();
+            }
+
+
+            Console.ReadKey();
+        }
+    }
+}

Nullable/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+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("Nullable")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Nullable")]
+[assembly: AssemblyCopyright("Copyright ©  2022")]
+[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("0a107bae-0e3c-452e-8524-abb336cfcc1b")]
+
+// 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")]

Nullable/bin/Debug/Nullable.exe.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

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

@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]

Nullable/obj/Debug/Nullable.csproj.CoreCompileInputs.cache

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

Nullable/obj/Debug/Nullable.csproj.FileListAbsolute.txt

@@ -0,0 +1,8 @@
+C:\dev\c#\c-sharp\Nullable\bin\Debug\Nullable.exe.config
+C:\dev\c#\c-sharp\Nullable\bin\Debug\Nullable.exe
+C:\dev\c#\c-sharp\Nullable\bin\Debug\Nullable.pdb
+C:\dev\c#\c-sharp\Nullable\obj\Debug\Nullable.csproj.AssemblyReference.cache
+C:\dev\c#\c-sharp\Nullable\obj\Debug\Nullable.csproj.SuggestedBindingRedirects.cache
+C:\dev\c#\c-sharp\Nullable\obj\Debug\Nullable.csproj.CoreCompileInputs.cache
+C:\dev\c#\c-sharp\Nullable\obj\Debug\Nullable.exe
+C:\dev\c#\c-sharp\Nullable\obj\Debug\Nullable.pdb

c-sharp.sln

@@ -47,6 +47,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ForAndForEach", "ForAndForE
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Fibonacci", "Fibonacci\Fibonacci.csproj", "{FAE7220C-8E06-4D42-B54C-573A60584C51}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nullable", "Nullable\Nullable.csproj", "{0A107BAE-0E3C-452E-8524-ABB336CFCC1B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -141,6 +143,10 @@ Global
 		{FAE7220C-8E06-4D42-B54C-573A60584C51}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FAE7220C-8E06-4D42-B54C-573A60584C51}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{FAE7220C-8E06-4D42-B54C-573A60584C51}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0A107BAE-0E3C-452E-8524-ABB336CFCC1B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0A107BAE-0E3C-452E-8524-ABB336CFCC1B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0A107BAE-0E3C-452E-8524-ABB336CFCC1B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0A107BAE-0E3C-452E-8524-ABB336CFCC1B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE