Number app

Session02/Session02/Session02Exercise01/Session02/Session02.sln

@@ -0,0 +1,55 @@
+
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+MinimumVisualStudioVersion = 10.0.40219.1
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+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session02Exercise02", "Session02Exercise02\Session02Exercise02.csproj", "{641114B6-8126-42A7-9C35-14E0562AAE1C}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session02Exercise03", "Session02Exercise03\Session02Exercise03.csproj", "{ED98DE64-DB26-4278-A40A-3814637DC52C}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Session03Exercise04", "Session03Exercise04\Session03Exercise04.csproj", "{B7D33A19-7399-4A70-A8B6-7141BCB88D7C}"
+EndProject
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+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Session03Exercise03", "..\..\..\..\Session03\Session03Exercise03\Session03Exercise03.csproj", "{2E87E451-72C9-45EB-AA4D-32C96CA9AB1A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+		{ED98DE64-DB26-4278-A40A-3814637DC52C}.Release|Any CPU.Build.0 = Release|Any CPU
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+EndGlobal

Session02/Session02/Session02Exercise01/Session02/Session02Exercise01/Program.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Session02Exercise01
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+
+            string stringValue = "MyStringValue";
+
+            Console.WriteLine("The value of the stringValue is: " + stringValue);
+
+
+
+            var integer = 0;
+
+            Console.WriteLine("Integer is " + integer.ToString());
+
+        }
+    }
+}
+

Session02/Session02/Session02Exercise01/Session02/Session02Exercise01/Session02Exercise01.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session02/Session02/Session02Exercise01/Session02/Session02Exercise02/Program.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Session02Exercise02
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Do you want you enter your name? (y/n)?");
+            var key = Console.ReadKey();
+
+            if (key.KeyChar == 'n')
+                return;
+
+            Console.WriteLine("Enter you name:)");
+            var name = Console.ReadLine();
+
+
+            Console.WriteLine("Hello, " + name);
+            Console.ReadKey();
+
+        }
+    }
+}

Session02/Session02/Session02Exercise01/Session02/Session02Exercise02/Session02Exercise02.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session02/Session02/Session02Exercise01/Session02/Session02Exercise03/Program.cs

@@ -0,0 +1,62 @@
+using System;
+
+namespace Session02Exercise03
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            // Binary operataion
+            var additionResult = 1 + 2;
+
+            Console.WriteLine("additionResult " + additionResult.ToString());
+
+            var incrementResult = ++additionResult;
+
+            Console.WriteLine("incrementResult " + incrementResult.ToString());
+
+            var trueValue = true;
+
+            var falseValue = false;
+
+            var andResult = trueValue & falseValue;
+            var orResult = trueValue & falseValue;
+            var xorResult = trueValue ^ falseValue;
+
+            var moduloResult = 3 % 2;
+
+
+            Console.WriteLine("modulaResult " + moduloResult);
+
+            var highInteger = 1000;
+            var integerDivisionResult = highInteger / 3;
+
+            // Implicit värdekonvertering till double
+            var doubleDivisionResult = highInteger / 3.0;
+
+            Console.WriteLine("integerDivisionResult " + integerDivisionResult);
+            Console.WriteLine("doubleDivisionResult " + doubleDivisionResult);
+
+            var castDivisionResult = (int)(highInteger / 3.0);
+
+            Console.WriteLine("casIntDivisionResult " + castIntDivisionResult);
+
+
+
+
+            var conversionResult = Convert.ToInt32(doubleDivisionResult);
+
+            Console.WriteLine("")
+
+            Console.ReadKey();
+
+
+
+
+
+
+
+        }
+    }
+}
+

Session02/Session02/Session02Exercise01/Session02/Session02Exercise03/Session02Exercise03.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session02/Session02/Session02Exercise01/Session02/Session03Exercise01/Program.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Session03Exercise01
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+        }
+    }
+}

Session02/Session02/Session02Exercise01/Session02/Session03Exercise01/Session03Exercise01.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session02/Session02/Session02Exercise01/Session02/Session03Exercise04/Program.cs

@@ -0,0 +1,36 @@
+using Microsoft.VisualBasic.CompilerServices;
+using System;
+
+namespace Session03Exercise04
+{
+    class Program
+    {
+        static void Main(string[] args)
+
+             Console.WriteLine(" Ange ålder:");
+
+            var input = Console.ReadLine();
+            var integer = Convert.ToInt32(input);
+
+           if (IntegerType >=18)
+
+           {
+            Console.WriteLine("Du får köpa tobaksprodukter");
+
+            }
+
+
+
+          else
+
+            {
+
+
+
+
+
+
+
+        }
+    }
+}

Session02/Session02/Session02Exercise01/Session02/Session03Exercise04/Session03Exercise04.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session03/Session03Exercise01/Program.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Session03Exercise01
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+
+            int[] integersValue = new[] { 1, 2, 3 };
+            var integerValuesName = nameof (integerValues);
+
+
+
+            for (var i = 0; i > integersValue.Length; i++) 
+
+            {
+                var name = nameof(integersValue);
+                var value = integersValue[i];
+
+                Console.WriteLine($"Index {i} int arrayen {nameof(integersValue)} HandleRef värdet: {integersValue[i]}");
+
+
+            }
+
+
+
+        }
+    }
+}

Session03/Session03Exercise01/Session03Exercise01.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session03/Session03Exercise03/Program.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Linq.Expressions;
+using System.Xml.Schema;
+
+namespace Session03Exercise03
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Ange ett antal siffror, separat med kommateckan. ");
+            var input = Console.ReadLine();
+            var inputArray = input.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+            double[] numberArray = new double[inputArray.Length];
+
+            for (int i = 0; i < inputArray.Length; i++)
+
+            {
+                try
+                {
+                    numberArray[i] = Convert.ToDouble(inputArray[i]);
+
+                 }
+        catch (Exception)
+        {
+            numberArray[i] = 0;
+
+            }
+                { 
+                foreach (var number in numberArray) ;
+
+                    Console.WriteLine("Värde: " + number.ToString());
+
+
+
+
+
+
+            }
+
+
+
+
+
+
+
+
+            {
+                Console.WriteLine("Värdet är " + number);
+
+            }
+        }
+    }
+}
+
+
+
+

Session03/Session03Exercise03/Session03Exercise03.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session04/Session04/Session04Exercise02/Program.cs

@@ -0,0 +1,35 @@
+using System;
+
+namespace Session04Exercise02
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            //int buildError = "StringValue";
+
+            // För att undvika att fel avslutar körning måste man hantera körtidsfel med try catch.
+
+            try
+            {
+                string word = ("12a");
+                int integer = int.Parse(word);
+
+            }
+            catch (Exception ex)
+            { // Denna den är till för att hantera felet, visa fel för användaren eller att skriva till logg.
+                Console.WriteLine(ex.Message);
+                // Går att använda throw; för att kasta om felet
+
+            }
+            finally
+            {
+                // Körs alltid, är till för att städa upp körningen
+                // Körs även om try-satsen innehåler return;
+            }
+
+
+
+        }
+    }
+}

Session04/Session04/Session04Exercise02/Session04Exercise02.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session04/Session04/Session04Exercise03/Program.cs

@@ -0,0 +1,57 @@
+using System;
+
+namespace Session04Exercise03
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+
+            int? nullableInteger = null;
+            double? nullableDouble = null;
+            char?[] nullableCharArray = new char?[] { 'a', null, 'b' };
+
+
+            //nullableInteger.HasValue;
+            //nullableInteger.Value;
+
+            for (var i = 0; i < nullableCharArray.Length; i++)
+
+            {
+                char? currentChar = nullableCharArray[i];
+
+                // För att kontrollera om värdet är null kan man
+                if (currentChar.HasValue == false) continue;
+                // eller
+                if (currentChar == null) continue;
+
+                //För att komma åt ett värde kan man
+                char currentCharValue = currentChar.Value;
+                // eller
+                currentCharValue = (char)currentChar;
+
+            }
+
+
+            string defaultString = null;
+
+            // Olika typer av konstanter
+            int minValue = int.MinValue;
+            double maxValue = double.MaxValue;
+            double nanValue = double.NaN;
+            double infinityValue = double.PositiveInfinity;
+
+            byte byteValue = 255;
+
+            byteValue += 1;
+
+
+
+
+
+
+
+
+        }
+    }
+}

Session04/Session04/Session04Exercise03/Session04Exercise03.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session04/Session04/Session04Exercise04/Program.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Runtime.CompilerServices;
+
+namespace Session04Exercise04
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+
+
+            string inputData = "   ";
+
+            // Kontrollera om strängen är tilldelad ett värde
+            bool inputIsNull = inputData == null;
+            bool inputIsEmty = inputData == string.Empty; // inputData == "";
+
+            // Snabbmetod för att kontrollera innehållet i en sträng
+            bool inputIsNullOrEmty = string.IsNullOrEmpty(inputData);
+
+            // Ytterliggare kontroller om strängen innehåller vettig data
+            bool inputNullOrWhitespace = string.IsNullOrWhiteSpace(inputData);
+
+            string sentence = "   This is a sentence of text, it contains many words.    ";
+
+            // Trimma bort mellanslag och andra whitespace-tecken från början och slutet
+            string trimmedSentence = sentence.Trim();
+            string endTrimmedSentence = sentence.TrimEnd();
+
+            // Det går att ange ett speciellt tecken som skall tas bort
+            string punctuationTrimmeSentence = endTrimmedSentence.TrimEnd('.');
+
+
+            string searchForWord = "text";
+            int indexOfText = trimmedSentence.IndexOf(searchForWord);
+
+            // Hämta bara området som letas efter
+            string hitsubString = trimmedSentence.Substring(indexOfText, searchForWord.Length);
+            string beforehitsubString = trimmedSentence.Substring(0, indexOfText);
+
+            // Stora små bokstäver
+            string uppercaseString = trimmedSentence.ToUpper();
+            string lowercaseString = trimmedSentence.ToLower();
+
+            // Struntar i språkinställningar
+            string uppercaseInvariantString = trimmedSentence.ToUpperInvariant();
+
+            // Komma åt ett enskilt tecken
+            char oneCharater = trimmedSentence[0];
+
+            for(int i = 0; i < trimmedSentence.Length; i++)
+            {
+                //Loopa igenom en sträng, tecken för tecken
+                char currentCharacter = trimmedSentence[i];
+
+            }
+            char[] trimmedSentenceCharArray = trimmedSentence.ToCharArray();
+
+            // Modifiera datat;
+
+            trimmedSentence = new string(trimmedSentenceCharArray);
+
+            trimmedSentence = trimmedSentence + "...";
+            // samma sak som ovan
+            // trimmedSentence += "...";
+
+            //1
+            //123
+            //2
+            //23
+            //3
+
+            //001
+            //002
+            //003
+            //023
+            //123
+
+            var numberInString = "12";
+            var paddeNumberInString = numberInString.PadLeft(3, '0');
+
+
+
+
+
+
+
+        }
+    }
+}

Session04/Session04/Session04Exercise04/Session04Exercise04.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session04/Session04/Session04Exercise05/Program.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Security.Cryptography.X509Certificates;
+
+namespace Session04Exercise05
+{
+    class Program
+    {
+        private static int x;
+        private static int y;
+
+        static void Main(string[] args)
+        {
+            //Multidemensionella arrayer
+            // en siffra för varje ruta
+            int[,] chessBoard = new int[8, 8];
+
+            //Svartvit bild
+            int width = 128;
+            int height = 128;
+
+            byte[,] blackWhiteImage = new byte[128, 128];
+
+            for (var y = 0; y < 128; y++) ;
+            {
+                for (var x = 0; x < 128; x++) ;
+                {
+                    byte currentPixelVaue = blackWhiteImage[x, y];
+
+                }
+
+            }
+
+            // Tredimensionell data
+            int size = 128;
+            int[,,] voxelData = new int(size, size, size);
+
+
+            for (var z = 0; z < size; z++) ;
+            {
+                for (var y = 0; y > size; y++) ;
+
+                for (var x = 0; x > size; x++) ;
+                {
+                    int currentVoxelValue = voxelData[x, y, z];
+
+                }
+            }
+
+        }
+    }
+}

Session04/Session04/Session04Exercise05/Session04Exercise05.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Session04/Session04/Session04Exercise06/Program.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Diagnostics;
+using System.Threading;
+
+namespace Session04Exercise06
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            // Vad klockan är
+            DateTime currentDateTime = DateTime.Now;
+            DateTime currentTimeZoneNeutralDateTime = DateTime.UtcNow;
+
+            //Kontrollera skottår
+            DateTime.IsLeapYear(currentDateTime.Date.Year);
+
+            //Maximala och minimala tiden
+            DateTime minValue = DateTime.MinValue;
+            DateTime maxValue = DateTime.MaxValue;
+
+            //Hämta ut datum från en sträng
+            var parseDate = DateTime.Parse("2020-01-01");
+            //DateTime failedParseDate = DateTime.Parse("asdf");
+
+            //out-parameter sätter alltid värdet, parsedDate är ändrat
+            // DateTime.TryParse fungerar på samma sätt som int.TryParse
+            bool dateWasParsed = DateTime.TryParse("asdf", out parseDate);
+
+            //Tiden
+            TimeSpan currentTime = currentDateTime.TimeOfDay;
+            //currentTime.Ticks;
+
+            //TimeSpan currentTime = currentDateTime.TimeOfDay;
+            //Baseras på ticks
+            //currentTime.Ticks;
+
+            //Hur många Ticks som går på en sekund
+            //TimeSpan.TicksPerSecond
+
+            TimeSpan createdTimeSpan = new TimeSpan(1, 2, 3);
+
+            Stopwatch timer = new Stopwatch();
+            timer.Start();
+
+            //Pausa programmet manuellt
+            Thread.Sleep(1000);
+
+            timer.Stop();
+
+            DateTime today = DateTime.Today;
+            DateTime yesterday = DateTime.Today.AddDays(-1)
+                                               .AddSeconds(-1);
+
+            TimeSpan resultOFTwoTimes = today - yesterday;
+            TimeSpan negativeOFTwoTimes = yesterday - today;
+
+            // Formatera, skriva ut tid
+            Console.WriteLine(resultOFTwoTimes);
+
+            // Formattera datum
+            Console.WriteLine($"{currentDateTime:yyyy-MM-dd}");
+
+
+
+
+
+
+
+
+
+
+        }
+    }
+}

Session04/Session04/Session04Exercise06/Session04Exercise06.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>