Lekcia 18

1. Hra/1. Hra.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>_1._Hra</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

1. Hra/Program.cs

@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");

Example switch/Example switch.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>Example_switch</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Example switch/Program.cs

@@ -0,0 +1,14 @@
+// See https://aka.ms/new-console-template for more information
+
+
+
+int number = 3;
+
+string numberDescription = number switch
+{
+    1 => "jeden",
+    2 => "dva",
+    3 => "tri",
+    _ => "nezname cislo",
+};
+Console.WriteLine(numberDescription); // vypise: tri

Foreach/Foreach.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Foreach/Program.cs

@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");

IDK/Program.cs

@@ -0,0 +1,25 @@
+// See https://aka.ms/new-console-template for more information
+using System.Runtime.ExceptionServices;
+using System.Security.Cryptography;
+
+
+
+for (int i = 1; i <= 1000; i++)
+{ 
+    int modulo = i % 2;
+    if (modulo == 0)
+    {
+        Console.WriteLine(i);
+    }  
+}
+
+
+/*
+int u = 1;
+
+while (u <= 1000)
+{
+    Console.WriteLine(u);
+    u++;
+}
+*/

IDK/Vypisovanie cisel.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Kalkulacka switch/Kalkulacka switch.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>Kalkulacka_switch</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Kalkulacka switch/Program.cs

@@ -0,0 +1,38 @@
+// See https://aka.ms/new-console-template for more information
+
+Console.WriteLine("vyber si prve cislo");
+string? number1Text = Console.ReadLine();
+decimal number1 = decimal.Parse(number1Text);
+
+Console.WriteLine("+, -, /, *, %");
+string? znamienko = Console.ReadLine();
+
+Console.WriteLine("vyber si druhe cislo");
+string? number2Text = Console.ReadLine();
+decimal number2 = decimal.Parse(number2Text);
+
+
+
+switch (znamienko)
+{
+    case "+":
+        Console.WriteLine(number1 + number2);
+        break;
+    case "-":
+        Console.WriteLine(number1 - number2);
+        break;
+    case "*":
+        Console.WriteLine(number1 * number2);
+        break;
+    case "/":
+        if (number2 == 0)
+        {
+            Console.WriteLine("Chyba: nemozes delit nulou");
+            break;
+        }
+        Console.WriteLine(number1 / number2);
+        break;
+    case "%":
+        Console.WriteLine(number1 % number2);
+        break;
+}

Kalkulacka/Kalkulacka.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Kalkulacka/Program.cs

@@ -0,0 +1,40 @@
+// See https://aka.ms/new-console-template for more information
+
+
+Console.WriteLine("vyber si prve cislo");
+string? number1Text = Console.ReadLine();
+decimal number1 = decimal.Parse(number1Text);
+
+Console.WriteLine("+, -, /, *, %");
+string? znamienko = Console.ReadLine();
+
+Console.WriteLine("vyber si druhe cislo");
+string? number2Text = Console.ReadLine();
+decimal number2 = decimal.Parse(number2Text);
+
+
+if (znamienko == "+")
+{
+    decimal sucet = number1 + number2;
+    Console.WriteLine("Je to " + sucet);
+}
+else if (znamienko == "-")
+{
+    decimal rozdiel = number1 - number2;
+    Console.WriteLine("Je to " + rozdiel);
+}
+else if (znamienko == "*")
+{
+    decimal sucin = number1 * number2;
+    Console.WriteLine("Je to " + sucin);
+}
+else if (znamienko == "/")
+{
+    decimal podiel = number1 / number2;
+    Console.WriteLine("Je to " + podiel);
+}
+else if (znamienko == "%")
+{
+    decimal idk = number1 % number2;
+    Console.WriteLine("Je to " + idk);
+}

Name and age/Name and age.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>Name_and_age</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Name and age/Program.cs

@@ -0,0 +1,9 @@
+// See https://aka.ms/new-console-template for more information
+
+Console.WriteLine("Name?");
+string? name = Console.ReadLine();
+
+Console.WriteLine("Age?");
+string? age = Console.ReadLine();
+
+Console.WriteLine($"Ahoj {name}. Tvoj vek je {age}");

Projekt bool/Program.cs

@@ -0,0 +1,30 @@
+// See https://aka.ms/new-console-template for more information
+/*bool a = true;
+int b = 74;
+int c = 42;
+
+bool andBool1 = a && (b > c);
+bool andBool2 = a && (b == c);
+bool andBool3 = a && (b == c) || (c < b); */
+
+/*bool a = true;
+int b = 11;
+int c = 9;
+bool d = true;
+int e = 11;
+
+
+bool vysledok = ((c <= b) || !a) && (a == (e == b));
+int o = 5; */
+
+
+
+bool a = false;
+int b = 8;
+int c = 10;
+bool d = false;
+int e = 11;
+
+bool vzsledok = (!(a && d) || (!(b < e) && !vysledok));
+
+int x = 5;

Projekt bool/Projekt bool.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>Projekt_bool</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Projekt if, else/Program.cs

@@ -0,0 +1,61 @@
+// See https://aka.ms/new-console-template for more information
+/*
+Console.WriteLine("Type a number 1-6");
+string s = Console.ReadLine();
+int number = int.Parse(s);
+
+if (number >= 1 && number <= 5)
+{
+    Console.WriteLine("hura mas kocku");
+}
+else if( number == 6 )
+{
+    Console.WriteLine("ides este raz");
+}
+else
+{
+    Console.WriteLine("Nemas kocku :(");
+} */
+
+
+
+
+//nacitam prve cislo
+//nacitam operaciu(+, -, /, *)
+//nacitam druhe cislo
+//vykonam operaciu
+//vypisem vysledok
+
+
+Console.WriteLine("vyber si prve cislo");
+string? number1Text  = Console.ReadLine();
+decimal number1 = decimal.Parse(number1Text);
+
+Console.WriteLine("+, -, /, *");
+string? znamienko  = Console.ReadLine();
+
+Console.WriteLine("vyber si druhe cislo");
+string? number2Text = Console.ReadLine();
+decimal number2 = decimal.Parse(number2Text);
+
+
+if (znamienko == "+")
+{
+    decimal sucet = number1 + number2;
+    Console.WriteLine("Je to " +  sucet);
+}
+else if (znamienko == "-")
+{
+    decimal rozdiel = number1 - number2;
+    Console.WriteLine("Je to " + rozdiel);
+}
+else if (znamienko == "*")
+{
+    decimal sucin = number1 * number2;
+    Console.WriteLine("Je to " + sucin);
+}
+else if (znamienko == "/")
+{
+    decimal podiel = number1 / number2;
+    Console.WriteLine("Je to " + podiel);
+}

Projekt if, else/Projekt if, else.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>Projekt_if__else</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Projekt random/Program.cs

@@ -0,0 +1,16 @@
+// See https://aka.ms/new-console-template for more information
+int a = 5;
+int b = 3;
+
+int sum = a + b;  // 8
+int difference = a - b;  // 2
+int product = a * b;   // 15
+decimal division = a / (decimal)b;  // 1.66666666666667
+int remainder = a % b;   // 2
+
+bool equality = a == b;  // false
+bool inequality = a != b;  // true
+bool greater = a > b;  // true
+bool lesser = a < b;  // false
+bool greaterEqual = a >= b;  // true
+bool lesserEqual = a <= b;  // false

Projekt random/Projekt operacie.csproj

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>Projekt_random</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Random/Program.cs

@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+

Random/Random.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Scitanie cisel/Program.cs

@@ -0,0 +1,10 @@
+// See https://aka.ms/new-console-template for more information
+
+int[] numbers = new int[10] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 54 };
+int vysledok = 0;
+
+for (int i = 0; i < numbers.Length; i++)
+{
+    vysledok += numbers[i];
+}
+Console.WriteLine(vysledok);