Oop c# labs

C# Labs 2 semester/6Lab_Programming_Polimorphism-master/Classes.cpp

@@ -0,0 +1,64 @@
+#include "Header.h"
+Symbols::Symbols(string _str)
+{
+	str = _str;
+}
+
+int Symbols::Length()
+{
+	return str.length();
+}
+
+void Symbols::Decrement()
+{
+    string NewStr = "";
+    int count = 1;
+    while (str[count] != '\0')
+    {
+        NewStr += str[count];
+        ++count;
+        if (str[count] == '\0')
+        {
+            break;
+        }
+        ++count;
+    }
+    str = NewStr;
+}
+
+string Symbols::GetData()
+{
+	return str;
+}
+
+Numbers::Numbers(string _str)
+{
+	str = _str;
+}
+
+int Numbers::Length()
+{
+	return str.length();
+}
+
+void Numbers::Decrement()
+{
+    string NewStr = "";
+    int count = 0;
+    while (str[count] != '\0')
+    {
+        NewStr += str[count];
+        ++count;
+        if (str[count] == '\0')
+        {
+            break;
+        }
+        ++count;
+    }
+    str = NewStr;
+}
+
+string Numbers::GetData()
+{
+	return str;
+}

C# Labs 2 semester/6Lab_Programming_Polimorphism-master/Classes.cs

@@ -0,0 +1,66 @@
+using System;
+
+namespace Lab6Polymorphism
+{
+    abstract public class Lines
+    {
+        abstract public int Length();
+        abstract public void Decrement();
+    }
+    public class Symbols : Lines
+    {
+        private string str;
+        public Symbols(string _str)
+        {
+            str = _str;
+        }
+        public override int Length()
+        {
+            return str.Length;
+        }
+        public override void Decrement()
+        {
+            string NewStr = "";
+            int count = 1;
+            while (count < str.Length)
+            {
+                NewStr += str[count];
+                count += 2;
+            }
+            str = NewStr;
+        }
+        public string GetData()
+        {
+            return str;
+        }
+    }
+
+    public class Numbers : Lines
+    {
+        private string str;
+        public Numbers(string _str)
+        {
+            str = _str;
+        }
+        public override int Length()
+        {
+            return str.Length;
+        }
+        public override void Decrement()
+        {
+            string NewStr = "";
+            int count = 0;
+            while (count < str.Length)
+            {
+                NewStr += str[count];
+                count += 2;
+            }
+            str = NewStr;
+        }
+        public string GetData()
+        {
+            return str;
+        }
+    }
+
+}

C# Labs 2 semester/6Lab_Programming_Polimorphism-master/Header.h

@@ -0,0 +1,32 @@
+#include <string>
+#include <iostream>
+using namespace std;
+
+class Lines
+{
+public:
+	virtual int Length() = 0;
+	virtual void Decrement() = 0;
+};
+
+class Symbols : Lines
+{
+private:
+	string str;
+public:
+	Symbols(string _str);
+	virtual int Length();
+	virtual void Decrement();
+	string GetData();
+};
+
+class Numbers : Lines
+{
+private:
+	string str;
+public:
+	Numbers(string _str);
+	virtual int Length();
+	virtual void Decrement();
+	string GetData();
+};

C# Labs 2 semester/6Lab_Programming_Polimorphism-master/Lab6Programming.cpp

@@ -0,0 +1,19 @@
+#include "Header.h"
+
+int main()
+{
+	string Str = "MilkShakeIt";
+	Symbols First(Str);
+	cout << Str << endl;
+	cout << First.Length() << endl;
+	First.Decrement();
+	cout << First.GetData() << "\n\n";
+
+	Str = "Amsterdam";
+	Numbers Second(Str);
+	cout << Str << endl;
+	cout << Second.Length() << endl;
+	Second.Decrement();
+	cout << Second.GetData() << "\n\n";
+}
+

C# Labs 2 semester/6Lab_Programming_Polimorphism-master/Program.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Lab6Polymorphism
+{
+    class Program
+    {
+        static void Main()
+        {
+            string Str = "Strawberry";
+            Symbols First = new Symbols(Str);
+            Console.WriteLine(Str);
+            Console.WriteLine(First.Length());
+            First.Decrement();
+            Console.WriteLine(First.GetData());
+
+            Str = "Banana";
+            Numbers Second = new Numbers(Str);
+            Console.WriteLine(Str);
+            Console.WriteLine(Second.Length());
+            Second.Decrement();
+            Console.WriteLine(Second.GetData());
+        }
+    }
+}

C# Labs 2 semester/7LabProgram-master/7LabProgramC++.cpp

@@ -0,0 +1,30 @@
+#include "Header.h"
+
+int main()
+{
+    double** array = new double* [4];
+    array[0] = new double[4]{ 2.4, 5.5, 3.8, -3 };
+    array[1] = new double[4]{ 0, 2.1, 8.4, 1.0 };
+    array[2] = new double[4]{ -8.6, 0, 5.5, 2 };
+    array[3] = new double[4]{ -1, 3, 2, 4 };
+
+    Expression exp1(array[0]);
+    Expression exp2(array[1]);
+    Expression exp3(array[2]);
+    Expression exp4(array[3]);
+    Expression* Exp = new Expression[4]{ exp1,exp2,exp3,exp4 };
+    double result;
+    for (int i = 0; i < 4; i++)
+    {
+        try
+        {
+            result = Exp[i].Calculation();
+            cout << result << endl;
+        }
+        catch (const char* error)
+        {
+            cout << error << endl;
+        }
+        cout << endl;
+    }
+}

C# Labs 2 semester/7LabProgram-master/Equation.cs

@@ -0,0 +1,47 @@
+using System;
+
+namespace Library
+{
+    class Equation
+    {
+        private double a, b, c, d;
+
+        public Equation(double a, double b, double c, double d)
+        {
+            this.a = a;
+            this.b = b;
+            this.c = c;
+            this.d = d;
+        }
+
+        public double Calculation()
+        {
+            try
+            {
+                double UpPart = 4 * Math.Log(a / b) + 1;
+                double DownPart = c + b - d + a;
+                if(DownPart == 0)
+                {
+                    throw new Exception("Error: The subcortical expression less than 0");
+                }
+                else if (UpPart == 0 && b == 0)
+                {
+                    throw new Exception("Error: Division by zero");
+                }
+                else if (a / b <= 0)
+                {
+                    throw new Exception("Error: Used number in logarithm <= 0");
+                }
+                else
+                {
+                    return UpPart / DownPart;
+                }
+            }
+            catch(Exception error)
+            {
+                Console.WriteLine(error.Message);
+                return 0;
+            }
+        }
+    }
+}

C# Labs 2 semester/7LabProgram-master/Expression.cpp

@@ -0,0 +1,43 @@
+#include "Header.h"
+
+Expression::Expression(double* array)
+{
+  a = array[0];
+  b = array[1];
+  c = array[2];
+  d = array[3];
+}
+
+double Expression::Calculation()
+{
+    try
+    {
+        double UpPart = 4 * log(a / b) + 1;
+        double DownPart = c + b - d + a;
+        if (DownPart == 0)
+        {
+            throw ("Error: The subcortical expression less than 0");
+        }
+        else if (UpPart == 0 && b == 0)
+        {
+            throw ("Error: Division by zero");
+        }
+        else if (a / b <= 0)
+        {
+            throw ("Error: Used number in logarithm <= 0");
+        }
+        else
+        {
+            return UpPart / DownPart;
+        }
+    }
+    catch (const char* error)
+    {
+        cout << error << endl;
+        return 0;
+    }
+}
+
+Expression:: ~Expression()
+{
+}

C# Labs 2 semester/7LabProgram-master/Header.h

@@ -0,0 +1,12 @@
+#include <iostream>
+#include <cmath>
+using namespace std;
+
+class Expression
+{
+private: double a, b, c, d;
+public:
+	Expression(double*);
+	double Calculation();
+	~Expression();
+};

C# Labs 2 semester/7LabProgram-master/Program.cs

@@ -0,0 +1,35 @@
+using System;
+using Library;
+using System.Collections.Generic;
+
+namespace _7LabProgram
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            int n = 4;
+            var Equation = new List<Equation>(n) 
+            {
+                new Equation(0.5, 6, 6, 1),
+                new Equation(0, -4, 9, 3),
+                new Equation(-8, 0, 5, 2),
+                new Equation(-1, 2, 3, 4)
+            };
+
+            for (int i = 0; i < n; i++)
+            {
+                try
+                {
+                    double Result = Equation[i].Calculation();
+                    Console.WriteLine($"{Result}");
+                }
+                catch (Exception error)
+                {
+                    Console.WriteLine(error.Message);
+                }
+                Console.WriteLine();
+            }
+        }
+    }
+}

C# Labs 2 semester/8lab-program-master/8LabProgram/8LabProgram.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RootNamespace>_8LabProgram</RootNamespace>
+  </PropertyGroup>
+
+</Project>