Intro Delegates

OOP2024_AMP.sln

@@ -33,9 +33,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P11Mi Vererbung", "P11Mi Ve
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P14 GenericList", "P14 GenericList\P14 GenericList.csproj", "{4C9F3622-88C7-4A7D-8D21-16BBFC70D8FC}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P15 GenericSort", "P15 GenericSort\P15 GenericSort.csproj", "{35FAC883-FC17-4B7B-BA86-93B91B3C9803}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P15 GenericSort", "P15 GenericSort\P15 GenericSort.csproj", "{35FAC883-FC17-4B7B-BA86-93B91B3C9803}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P16 GenericKeyValueList", "P16 GenericKeyValueList\P16 GenericKeyValueList.csproj", "{43F7D344-EBBF-4672-9452-AE59A1C977BF}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "P16 GenericKeyValueList", "P16 GenericKeyValueList\P16 GenericKeyValueList.csproj", "{43F7D344-EBBF-4672-9452-AE59A1C977BF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P17 Intro Delegates", "P17 Intro Delegates\P17 Intro Delegates.csproj", "{8E449A0E-B181-4E03-9BF5-732A32CF7A02}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -111,6 +113,10 @@ Global
 		{43F7D344-EBBF-4672-9452-AE59A1C977BF}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{43F7D344-EBBF-4672-9452-AE59A1C977BF}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{43F7D344-EBBF-4672-9452-AE59A1C977BF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8E449A0E-B181-4E03-9BF5-732A32CF7A02}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8E449A0E-B181-4E03-9BF5-732A32CF7A02}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8E449A0E-B181-4E03-9BF5-732A32CF7A02}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8E449A0E-B181-4E03-9BF5-732A32CF7A02}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

P14 GenericList/DblList.cs

@@ -99,6 +99,12 @@ namespace P14_GenericList
             for (LItem? item = first; item != null; item = item.next)
                 yield return item.data;
         }
+        //public IEnumerable<T?> Filter(testfunktion)
+        //{
+        //    for (LItem? item = first; item != null; item = item.next)
+        //        if (item.data[0] == "S") testfunktion(data)-->bool
+        //            yield return item.data;
+        //}
         public void ReversePrintList()
         {
             for (LItem? item = last; item != null; item = item.prev)

P16 GenericKeyValueList/KeyValueList.cs

@@ -61,5 +61,10 @@ namespace P16_GenericKeyValueList
             for (LItem item = first; item != null; item = item.next)
                 yield return (item.Key, item.Value);
         }
+        public void Print()
+        {
+            for(LItem item = first;item != null; item = item.next)
+                Console.WriteLine($"{item.Key}: {item.Value}");
+        }
     }
 }

P16 GenericKeyValueList/Program.cs

 namespace P16_GenericKeyValueList
 {
-    internal class Program
+    class Termin
+    {
+        public string was;
+        public string wer;
+        public Termin(string was, string wer) { this.was = was; this.wer = wer; }
+        public override string ToString() => $"Termin: {was} mit {wer}";
+    }
+
+    class ComplexKey : IComparable<ComplexKey>
+    {
+        public int Wert1 { get; set; }
+        public string Wert2 { get; set; }
+        public ComplexKey(int Wert1, string Wert2) { this.Wert1 = Wert1; this.Wert2 = Wert2; }
+        public int CompareTo(ComplexKey other)
+        {
+            int diff = Wert1.CompareTo(other.Wert1);
+            if (diff != 0)
+                return diff;
+            return Wert2.CompareTo(other.Wert2);
+        }
+    }
+    class Program
     {
         static void Main(string[] args)
         {
@@ -13,6 +34,69 @@
             foreach (var item in tel) {
                 Console.WriteLine(  $"{item.Item1}: {item.Item2}");
             }
-        }
+
+                KeyValueList<string, int> kvListe = new KeyValueList<string, int>();
+                kvListe["Wienkop"] = 1614;
+                kvListe["Otsa"] = 1855;
+
+                Console.WriteLine($"Telefonnummer von Wienkop: {kvListe["Wienkop"]}");
+                Console.WriteLine("-----------");
+
+                kvListe.Print();
+                Console.WriteLine("-----------");
+                kvListe["Otsa"] = 9999;
+                kvListe.Print();
+                Console.WriteLine("-----------");
+
+                KeyValueList<string, Termin> termine = new KeyValueList<string, Termin>();
+                termine["Wienkop"] = new Termin("IT-Proj", "Digitale Visitenkarte");
+                termine.Print();
+                //foreach (var item in termine)
+                //{
+                //    Console.WriteLine(item.val);
+                //}
+
+                List<Termin> termineMi = new List<Termin>();
+                termineMi.Add(new Termin("08:00 Prog2-Vorlesung", "Gruppe-Wienkop"));
+                termineMi.Add(new Termin("09:45 Dig Bildbearbeitung", "MA-MIN"));
+
+                List<Termin> termineDi = new List<Termin>();
+                termineDi.Add(new Termin("08:00 Prog2-Übung", "Gruppe-Wienkop"));
+                termineDi.Add(new Termin("09:45 Prog2-Vorlesung", "Gruppe-Wienkop"));
+                termineDi.Add(new Termin("11:30 Mitarbeiterbesprechung", "Jobbörse"));
+
+                KeyValueList<string, List<Termin>> terminverwaltung = new KeyValueList<string, List<Termin>>();
+                terminverwaltung["02.06.2020"] = termineDi;
+                terminverwaltung["03.06.2020"] = termineMi;
+                terminverwaltung["02.06.2020"]?.Add(new Termin("11:30 Teams", "BayernMINT"));
+
+
+                // Pfannkuchen, Zutaten(Mehl, Milch, Eier), Zubereitung (Schritt1, Schritt2, ...)
+                KeyValueList<string, (List<string>, List<string>)> rezepte = new KeyValueList<string, (List<string>, List<string>)>();
+                List<string> zutaten = new List<string>();
+                zutaten.Add("Mehl");
+                zutaten.Add("Milch");
+                zutaten.Add("Eier");
+                List<string> zubereitung = new List<string>();
+                zubereitung.Add("Eier in Schüssel schlagen");
+                zubereitung.Add("mit Mehl und Milch verrühren");
+
+                rezepte["Pfannkuchen"] = (zutaten, zubereitung);
+
+
+                List<string> zutaten2;
+                List<string> zubereitung2;
+                (zutaten2, zubereitung2) = rezepte["Pfannkuchen"];
+                Console.WriteLine("Zutaten: ");
+                foreach (var item in zutaten2)
+                {
+                    Console.WriteLine(item);
+                }
+                Console.WriteLine("Zubereitung:");
+                foreach (var item in zubereitung2)
+                {
+                    Console.WriteLine(item);
+                }
+            }
     }
 }

P17 Intro Delegates/P17 Intro Delegates.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>P17_Intro_Delegates</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

P17 Intro Delegates/Program.cs

+namespace P17_Intro_Delegates
+{
+    internal class Program
+    {
+        static double Square(double x) => x * x;
+        static double Mal2(double x) => 2 * x;
+
+        delegate double ZulaessigeFunktionen(double x);
+        static void Wertetabelle(double von, double bis, 
+            double schrittweite, ZulaessigeFunktionen fkt)
+        {
+            for (double x = von; x <= bis ; x+= schrittweite)
+                Console.WriteLine(  $"{x:f8} | {fkt(x):f8}");
+            Console.WriteLine(  "------------");
+        }
+        static void Main(string[] args)
+        {
+            Wertetabelle(0, 5, 1, Square);
+            Wertetabelle(0, 5, 1, Mal2);
+            Wertetabelle(0, 5, 1, Math.Sin);
+            Wertetabelle(0, 5, 1, delegate (double xxx) { return xxx + 1; });
+            Wertetabelle(0, 5, 1, y => y + 2);
+
+            ZulaessigeFunktionen meineFunktRef;
+            meineFunktRef = Square;
+            Console.WriteLine(meineFunktRef(10));
+            meineFunktRef = z => z + 10;
+            Console.WriteLine(meineFunktRef(10));
+        }
+    }
+}