Refactored using only methods in Main

Author: hduns

Calculator/Calculator/Program.cs

@@ -4,76 +4,98 @@ class Program
 {
     static void Main(string[] args)
     {
-       
+        PrintWelcomeMessage();
+        
+        string operatorSymbol = ChooseOperatorSymbol();
+
+        int numberOfNumbers = ChooseNumberOfNumbers(operatorSymbol);
+
+        double calculationResult = PerformOneCalculation(numberOfNumbers, operatorSymbol);
+
+        Console.WriteLine($"The answer to your calculation is: {calculationResult}");
+        
+    }
+
+    private static void PrintWelcomeMessage()
+    {
         Console.WriteLine("Welcome to C# Calculator!");
+    }
+
+    private static string ChooseOperatorSymbol()
+    {
         bool operatorEntered = false;
         string[] operatorArray = new string[] { "+", "-", "x", "/" };
 
         Console.WriteLine("Please enter a operator (choose from +, -, x, /): ");
-        string operatorSymbol = Console.ReadLine();
+        string userInputOperator = Console.ReadLine();
 
-        if (operatorArray.Contains(operatorSymbol))
+        if (operatorArray.Contains(userInputOperator))
         {
             operatorEntered = true;
         }
 
         while (!operatorEntered)
         {   
             Console.WriteLine("Please enter a operator (+, -, x, /)");
-            operatorSymbol = Console.ReadLine();
-            if (operatorArray.Contains(operatorSymbol))
+            userInputOperator = Console.ReadLine();
+            if (operatorArray.Contains(userInputOperator))
             {
                 operatorEntered = true;
             }
             else
                 operatorEntered = false;
         }
-        
+
+        return userInputOperator;
+    }
+
+    public static int ChooseNumberOfNumbers(string operatorSymbol)
+    {
         Console.WriteLine($"How many numbers do you want to {operatorSymbol}?");
         string userInput1 = Console.ReadLine();
-        int numberOfNumbers = int.Parse(userInput1);
+        return int.Parse(userInput1);
+    }
 
-        if (operatorEntered == true)
-        {
-            double[] numbers = new double[numberOfNumbers];
+    public static double PerformOneCalculation(int numberOfNumbers, string operatorSymbol)
+    {
+        double[] numbers = new double[numberOfNumbers];
 
-            for (int i = 0; i < numberOfNumbers; i++)
-            {
-                Console.WriteLine("Enter a number: ");
-                string userInput2 = Console.ReadLine();
-                double number = double.Parse(userInput2);
-                numbers[i] = number;
-            }
+        for (int i = 0; i < numberOfNumbers; i++)
+        {
+            Console.WriteLine("Enter a number: ");
+            string userInput2 = Console.ReadLine();
+            double number = double.Parse(userInput2);
+            numbers[i] = number;
+        }
 
-            foreach (double number in numbers)
-            {
-                Console.WriteLine(number);
-            }
+        foreach (double number in numbers)
+        {
+            Console.WriteLine(number);
+        }
 
-            double result = numbers[0];
+        double result = numbers[0];
 
-            for (int i = 1; i < numberOfNumbers; i++)
+        for (int i = 1; i < numberOfNumbers; i++)
+        {
+            switch (operatorSymbol)
             {
-                switch (operatorSymbol)
-                {
-                    case "+":
-                        result += numbers[i];
-                        break;
-                    case "-":
-                        result -= numbers[i];
-                        break;
-                    case "x":
-                        result *= numbers[i];
-                        break;
-                    case "/":
-                        result /= numbers[i];
-                        break;
-                    default:
-                        break;
-                }
+                case "+":
+                    result += numbers[i];
+                    break;
+                case "-":
+                    result -= numbers[i];
+                    break;
+                case "x":
+                    result *= numbers[i];
+                    break;
+                case "/":
+                    result /= numbers[i];
+                    break;
+                default:
+                    break;
             }
-
-            Console.WriteLine($"The answer to your calculation is: {result}");
-        } 
+        }
+        return result;
     }
+    
 }

Calculator/Calculator/bin/Debug/net9.0/Calculator.dll

@@ -13,7 +13,7 @@
 [assembly: System.Reflection.AssemblyCompanyAttribute("Calculator")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+094fcfecfa2da4ab481ecea93f3a43e7a6418141")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+bb4e777b8a43630b6516f125529cc943c7c6beee")]
 [assembly: System.Reflection.AssemblyProductAttribute("Calculator")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Calculator")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

Calculator/Calculator/bin/Debug/net9.0/Calculator.exe

@@ -1 +1 @@
-63ea61418fc7743c32e039b2b1f2d58cc02c7d915e763e42beba601f9ff96eab
+247bd62b5b49426f8260c35398dc348a3e92c9a9ed26c3ff6dccc522779b2eee

Calculator/Calculator/bin/Debug/net9.0/Calculator.pdb

@@ -1 +1 @@
-{"documents":{"C:\\Users\\hanna\\RiderProjects\\CSharpPreReading\\*":"https://raw.githubusercontent.com/hduns/CSharpPreReading/094fcfecfa2da4ab481ecea93f3a43e7a6418141/*"}}
+{"documents":{"C:\\Users\\hanna\\RiderProjects\\CSharpPreReading\\*":"https://raw.githubusercontent.com/hduns/CSharpPreReading/bb4e777b8a43630b6516f125529cc943c7c6beee/*"}}