diff --git a/BalkenDiagramm/BalkenDiagramm.cs b/BalkenDiagramm/BalkenDiagramm.cs
new file mode 100644
index 0000000000000000000000000000000000000000..16c35931da85b802567fccbddad7272f04330b65
--- /dev/null
+++ b/BalkenDiagramm/BalkenDiagramm.cs
@@ -0,0 +1,27 @@
+namespace Uebung;
+
+class BalkenDiagramm
+{
+ // Zeichnet ein BalkenDiagramm mit den Werten des Feldes f
+ static void ZeichneBalkenDiagramm(int[] feld)
+ {
+ for (int i = 0; i < feld.Length; i++)
+ {
+ Console.Write("{0,2} ", feld[i]);
+ for (int j = 0; j < feld[i]; j++)
+ Console.Write('\u2584'); // Zeichen "Halbblock unten"
+ Console.WriteLine();
+ }
+ }
+
+ static void Main(string[] args)
+ {
+ Console.OutputEncoding = System.Text.Encoding.UTF8;
+
+ int[] f = { 10, 20, 15, 18, 2, 6 };
+
+ ZeichneBalkenDiagramm(f);
+
+ Console.WriteLine("\n\n\n");
+ }
+}
diff --git a/BalkenDiagramm/BalkenDiagramm.csproj b/BalkenDiagramm/BalkenDiagramm.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..206b89a9a8b9320db4b017a262b565f104489193
--- /dev/null
+++ b/BalkenDiagramm/BalkenDiagramm.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>
diff --git a/FeldUebung/FeldUebung.cs b/FeldUebung/FeldUebung.cs
new file mode 100644
index 0000000000000000000000000000000000000000..968a9e2d8a69d90088711d5081cd72e1798afa7d
--- /dev/null
+++ b/FeldUebung/FeldUebung.cs
@@ -0,0 +1,65 @@
+namespace Uebung;
+
+class Program
+{
+ // Ausgabe Feld f
+ static void Ausgabe(int[] f)
+ {
+ Console.Write("f = [");
+ for (int i = 0; i < f.Length; i++)
+ Console.Write((i != 0 ? ", " : "") + f[i]); // Trick für das Komma erspart ein "if"
+ Console.WriteLine("]\n");
+ }
+
+ // Statistik, berechnet summe, durchschnitt, min, max
+ static void FeldStatistik(int[] f, out int summe, out double durchschnitt, out int min, out int max)
+ {
+ summe = 0;
+ min = f[0];
+ max = f[0];
+
+ for (int i = 0; i < f.Length; i++)
+ {
+ summe += f[i];
+ if (f[i] < min)
+ min = f[i];
+ if (f[i] > max)
+ max = f[i];
+ }
+
+ // Type-Cast zur Vermeidung von Integer-Division
+ durchschnitt = (double)summe / f.Length;
+ }
+
+ static void Main()
+ {
+ int[] f = { 5, 8, 6, 4, 3, 5, 9, 2, 6, 9 };
+
+ Ausgabe(f);
+
+ FeldStatistik(f, out int summe, out double durchschnitt, out int min, out int max);
+ Console.WriteLine("Summe: " + summe);
+ Console.WriteLine("Durchschnitt: " + durchschnitt);
+ Console.WriteLine("Maximum: " + max);
+ Console.WriteLine("Minimum: " + min);
+
+ // Zahl einlesen
+ Console.Write("Zahl eingeben: ");
+ int zahl = Convert.ToInt32(Console.ReadLine());
+
+ Console.Write("Größer sind: ");
+
+ for (int i = 0; i < f.Length; i++)
+ {
+ if (f[i] > zahl)
+ Console.Write(f[i] + " ");
+ }
+ Console.WriteLine("\n");
+
+ // C#-Standard-Funktionalität mit Linq
+ Console.WriteLine($"Summe durch Linq: {f.Sum()}");
+ Console.WriteLine();
+ Console.WriteLine("Maximum durch Linq: " + f.Max());
+ Console.WriteLine("Minimum durch Linq: " + f.Min());
+ }
+}
diff --git a/FeldUebung/FeldUebung.csproj b/FeldUebung/FeldUebung.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..206b89a9a8b9320db4b017a262b565f104489193
--- /dev/null
+++ b/FeldUebung/FeldUebung.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+ <PropertyGroup>
+ <OutputType>Exe</OutputType>
+ <TargetFramework>net8.0</TargetFramework>
+ <ImplicitUsings>enable</ImplicitUsings>
+ <Nullable>enable</Nullable>
+ </PropertyGroup>
+
+</Project>
diff --git a/QuersummeRekursiv/QuersummeRekursiv.cs b/QuersummeRekursiv/QuersummeRekursiv.cs
new file mode 100644
index 0000000000000000000000000000000000000000..ba58d0e9e6c2fd63314bb1dd1b9f27e3f9ca1291
--- /dev/null
+++ b/QuersummeRekursiv/QuersummeRekursiv.cs
@@ -0,0 +1,36 @@
+namespace Uebung;
+
+class Program
+{
+ // Zum Vergleich nochmal iterativ
+ static int QuerSumme(int zahl)
+ {
+ int q = 0;
+
+ while (zahl > 0)
+ {
+ q += zahl % 10;
+ zahl /= 10;
+ }
+
+ return q;
+ }
+
+ // Jetzt rekursiv. Elegant, oder?
+ static int QuerSummeRek(int zahl)
+ {
+ if (zahl < 10)
+ return zahl;
+ else
+ return zahl % 10 + QuerSummeRek(zahl / 10);
+ }
+
+ static void Main(string[] args)
+ {
+ Console.Write("Zahl eingeben: ");
+ int zahl = Convert.ToInt32(Console.ReadLine());
+
+ Console.WriteLine($"QuerSumme({zahl}) = {QuerSumme(zahl)}");
+ Console.WriteLine($"QuerSummeRek({zahl}) = {QuerSummeRek(zahl)}");
+ }
+}
diff --git a/QuersummeRekursiv/QuersummeRekursiv.csproj b/QuersummeRekursiv/QuersummeRekursiv.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..206b89a9a8b9320db4b017a262b565f104489193
--- /dev/null
+++ b/QuersummeRekursiv/QuersummeRekursiv.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>
diff --git a/Reverse/Reverse.cs b/Reverse/Reverse.cs
new file mode 100644
index 0000000000000000000000000000000000000000..a87f3e61503de8a1ef1b3c5b1831d47e42dedfcf
--- /dev/null
+++ b/Reverse/Reverse.cs
@@ -0,0 +1,33 @@
+namespace Uebung;
+
+class Program
+{
+ // Dreht den Feld-Inhalt um
+ static void Reverse(int[] a)
+ {
+ for (int i = 0; i < a.Length / 2; i++)
+ {
+ int temp = a[i];
+ a[i] = a[a.Length - 1 - i]; // oder a[^(1+i)]
+ a[a.Length - 1 - i] = temp;
+ }
+ }
+
+ static void Main()
+ {
+ int[] f = { 6, 7, 4, 3, 2, 5, 9 };
+
+ Reverse(f);
+
+ // jetzt sollte f = { 9, 5, 2, 3, 4, 7, 6 } sein
+ for (int i = 0; i < f.Length; i++)
+ Console.Write(f[i] + " ");
+ Console.WriteLine();
+
+ // Original-Reihenfolge mit Standard-Funktion wieder herstellen
+ Array.Reverse(f);
+ for (int i = 0; i < f.Length; i++)
+ Console.Write(f[i] + " ");
+ Console.WriteLine();
+ }
+}
\ No newline at end of file
diff --git a/Reverse/Reverse.csproj b/Reverse/Reverse.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..206b89a9a8b9320db4b017a262b565f104489193
--- /dev/null
+++ b/Reverse/Reverse.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>
diff --git a/SelectionSort/SelectionSort.cs b/SelectionSort/SelectionSort.cs
new file mode 100644
index 0000000000000000000000000000000000000000..9d079cdbdf3c92d79a63c040e2f8dff052f61faf
--- /dev/null
+++ b/SelectionSort/SelectionSort.cs
@@ -0,0 +1,36 @@
+namespace Uebung;
+
+class Program
+{
+ // Selection Sort
+ static void Sort(int[] f)
+ {
+ for (int i = 0; i < f.Length; i++)
+ {
+ // Suche Index der nächstkleinsten Zahl
+ int minIdx = i;
+ for (int j = i + 1; j < f.Length; j++)
+ {
+ if (f[j] < f[minIdx])
+ minIdx = j;
+ }
+
+ // tausche Feldwert mit nächstkleinster Zahl
+ int tmp = f[i];
+ f[i] = f[minIdx];
+ f[minIdx] = tmp;
+ }
+ }
+
+ // Hauptprogramm
+ static void Main()
+ {
+ int[] a = { 5, 8, 3, 2, 9, 8 };
+
+ Sort(a);
+
+ for (int i = 0; i < a.Length; i++)
+ Console.Write(a[i] + " ");
+ Console.WriteLine();
+ }
+}
diff --git a/SelectionSort/SelectionSort.csproj b/SelectionSort/SelectionSort.csproj
new file mode 100644
index 0000000000000000000000000000000000000000..206b89a9a8b9320db4b017a262b565f104489193
--- /dev/null
+++ b/SelectionSort/SelectionSort.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>
diff --git a/Uebung07.sln b/Uebung07.sln
new file mode 100644
index 0000000000000000000000000000000000000000..6487b2bc434112df527ba95a1ae7a031b1bbcb58
--- /dev/null
+++ b/Uebung07.sln
@@ -0,0 +1,49 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34616.47
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FeldUebung", "FeldUebung\FeldUebung.csproj", "{859CF903-14E3-479E-844D-E9EBBFADCA71}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Reverse", "Reverse\Reverse.csproj", "{E122E1CB-44BC-4E4B-AA9E-1DC9CAD50E9F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BalkenDiagramm", "BalkenDiagramm\BalkenDiagramm.csproj", "{BC9C48C1-69EA-43D9-BAB0-C528DDC06484}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SelectionSort", "SelectionSort\SelectionSort.csproj", "{0A0E6444-24E7-4AB1-84F8-F8D539009DE1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuersummeRekursiv", "QuersummeRekursiv\QuersummeRekursiv.csproj", "{70BC7F95-242F-4839-8D1D-7BE15FC787D5}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {859CF903-14E3-479E-844D-E9EBBFADCA71}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {859CF903-14E3-479E-844D-E9EBBFADCA71}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {859CF903-14E3-479E-844D-E9EBBFADCA71}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {859CF903-14E3-479E-844D-E9EBBFADCA71}.Release|Any CPU.Build.0 = Release|Any CPU
+ {E122E1CB-44BC-4E4B-AA9E-1DC9CAD50E9F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {E122E1CB-44BC-4E4B-AA9E-1DC9CAD50E9F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {E122E1CB-44BC-4E4B-AA9E-1DC9CAD50E9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {E122E1CB-44BC-4E4B-AA9E-1DC9CAD50E9F}.Release|Any CPU.Build.0 = Release|Any CPU
+ {BC9C48C1-69EA-43D9-BAB0-C528DDC06484}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {BC9C48C1-69EA-43D9-BAB0-C528DDC06484}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {BC9C48C1-69EA-43D9-BAB0-C528DDC06484}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {BC9C48C1-69EA-43D9-BAB0-C528DDC06484}.Release|Any CPU.Build.0 = Release|Any CPU
+ {0A0E6444-24E7-4AB1-84F8-F8D539009DE1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {0A0E6444-24E7-4AB1-84F8-F8D539009DE1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {0A0E6444-24E7-4AB1-84F8-F8D539009DE1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {0A0E6444-24E7-4AB1-84F8-F8D539009DE1}.Release|Any CPU.Build.0 = Release|Any CPU
+ {70BC7F95-242F-4839-8D1D-7BE15FC787D5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {70BC7F95-242F-4839-8D1D-7BE15FC787D5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {70BC7F95-242F-4839-8D1D-7BE15FC787D5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {70BC7F95-242F-4839-8D1D-7BE15FC787D5}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {234FECDE-169F-4E44-B22F-4EA84C8F2E7D}
+ EndGlobalSection
+EndGlobal