Numbers

Session01/Session01.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 16.0.30406.217
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Session01-Example", "Session01-Example\Session01-Example.csproj", "{2E6C3DA5-47A0-4EE6-86E9-EC9977AA7EDC}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session03Excercise02", "..\Session03\Session03\Session03Excercise02\Session03Excercise02.csproj", "{37E89230-3D50-4984-8580-29DD96390236}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{2E6C3DA5-47A0-4EE6-86E9-EC9977AA7EDC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2E6C3DA5-47A0-4EE6-86E9-EC9977AA7EDC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2E6C3DA5-47A0-4EE6-86E9-EC9977AA7EDC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37E89230-3D50-4984-8580-29DD96390236}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37E89230-3D50-4984-8580-29DD96390236}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37E89230-3D50-4984-8580-29DD96390236}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37E89230-3D50-4984-8580-29DD96390236}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Session03/Session03/Session03Excercise02/Program.cs

@@ -1,20 +1,64 @@
 using System;
+using System.Diagnostics;
+using System.Globalization;
 
 namespace Session03Excercise02
 {
     class Program
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("Ange ett antal siffror, separerat med kommatecken.");
-            var input = Console.ReadLine();
-            var inputArray = input.Split(new [] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+            // Konvertera det inmatade värdena från strängar till siffror
+            // Resultatet skall presentera:
+            // Lägsta värdet
+            // Högsta värdet
+            // Medelvärde (snitt)
+            // Programmet skall vara felhanterat
+            // Felaktiga värden får inte påverka medelvärde, lägsta eller högsta.
 
-            foreach (var number in inputArray)
+            while (true)
             {
-                Console.WriteLine("Värdet är " + number);
-            }
+                Console.WriteLine("Ange ett antal siffror, separerat med mellanslag.");
+                string input = Console.ReadLine();
+                string[] inputArray = input.Split(" ", StringSplitOptions.RemoveEmptyEntries);
+                double sum = 0;
+                double highestValue = 0;
+                double lowestValue = 0;
+                int countOfNumbers = 0;
+                double?[] numberArray = new double?[inputArray.Length];
+
+                for (int i = 0; i < inputArray.Length; i++)
+                {
+                    bool parsed = double.TryParse(inputArray[i], out double parsedValue);
+
+                    if (parsed)
+                    { 
+                        highestValue = parsedValue;
+                        lowestValue = parsedValue;
+                        numberArray[i] = parsedValue;
+                        countOfNumbers++;
+                    }
+                    else numberArray[i] = null;
 
+                }
+
+                foreach (var number in numberArray)
+                {
+                    if (number != null)
+                    {
+                        sum += (double)number;
+                        foreach (var number2 in numberArray)
+                        {
+                            if ((number > number2) && (number > highestValue)) highestValue = (double)number;
+                            if ((number < number2) && (number < lowestValue)) lowestValue = (double)number;
+                        }
+                    }
+                }
+                double average = sum / countOfNumbers;
+                Console.WriteLine("medelvärde är: " + average);
+                Console.WriteLine("högsta värde är: " + highestValue);
+                Console.WriteLine("lägsta värde är: " + lowestValue);
+            }
         }
     }
 }

Session04/Session04/Session04.sln

@@ -0,0 +1,55 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30406.217
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session04Example", "Session04Example\Session04Example.csproj", "{1FFA0433-A8DD-4A58-9C7D-9AB66B2DA6DE}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session04Example02Errors", "Session04Example02Errors\Session04Example02Errors.csproj", "{49964154-D027-42B6-82CD-15CD1A0E0D10}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session04Example03Nullable", "Session04Example03Nullable\Session04Example03Nullable.csproj", "{20610575-7925-4528-B7CB-F4ECA5378418}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session04Example04", "Session04Example04\Session04Example04.csproj", "{BCC55225-BD2F-4552-9DF5-3409E807B98A}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session04Example05", "Session04Example05\Session04Example05.csproj", "{8031DBA2-9DDF-412C-AC7A-DF61697677D3}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session04Example06", "Session04Example06\Session04Example06.csproj", "{EA07DF5C-4E8F-45E7-A999-3C359F88A961}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1FFA0433-A8DD-4A58-9C7D-9AB66B2DA6DE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1FFA0433-A8DD-4A58-9C7D-9AB66B2DA6DE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1FFA0433-A8DD-4A58-9C7D-9AB66B2DA6DE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1FFA0433-A8DD-4A58-9C7D-9AB66B2DA6DE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{49964154-D027-42B6-82CD-15CD1A0E0D10}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{49964154-D027-42B6-82CD-15CD1A0E0D10}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{49964154-D027-42B6-82CD-15CD1A0E0D10}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{49964154-D027-42B6-82CD-15CD1A0E0D10}.Release|Any CPU.Build.0 = Release|Any CPU
+		{20610575-7925-4528-B7CB-F4ECA5378418}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{20610575-7925-4528-B7CB-F4ECA5378418}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{20610575-7925-4528-B7CB-F4ECA5378418}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{20610575-7925-4528-B7CB-F4ECA5378418}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BCC55225-BD2F-4552-9DF5-3409E807B98A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BCC55225-BD2F-4552-9DF5-3409E807B98A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BCC55225-BD2F-4552-9DF5-3409E807B98A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BCC55225-BD2F-4552-9DF5-3409E807B98A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8031DBA2-9DDF-412C-AC7A-DF61697677D3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8031DBA2-9DDF-412C-AC7A-DF61697677D3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8031DBA2-9DDF-412C-AC7A-DF61697677D3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8031DBA2-9DDF-412C-AC7A-DF61697677D3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EA07DF5C-4E8F-45E7-A999-3C359F88A961}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EA07DF5C-4E8F-45E7-A999-3C359F88A961}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EA07DF5C-4E8F-45E7-A999-3C359F88A961}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EA07DF5C-4E8F-45E7-A999-3C359F88A961}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {585CA636-84BF-420C-A80D-2091EB2C292F}
+	EndGlobalSection
+EndGlobal