Finished Solution, Throwing & Catching Exceptions, repo at 9f4de32

gradebook/src/GradeBook/Book.cs

@@ -15,8 +15,14 @@ namespace GradeBook
         }
 
         public void AddGrade(double grade)
+        {
+            if (grade <= 100 && grade >= 0)
             {
                 this.grades.Add(grade);
+            } else
+            {
+                throw new ArgumentException($"Invalid {nameof(grade)}");
+            }
         }
 
         public void AddLetterGrade(char letter)

gradebook/src/GradeBook/Program.cs

@@ -16,8 +16,7 @@ namespace GradeBook
             var book = new Book("Jason's Grade Book");
             string input;
 
-            bool if_continue = true;
+            while (true)
-            while (if_continue)
             {
                 Console.WriteLine("Give input: ");
                 input = Console.ReadLine();
@@ -26,10 +25,26 @@ namespace GradeBook
                     Console.WriteLine("Receiving termination signal; Termiate program");
                     break;
                 } else
+                {
+                    try
                     {
                         Console.WriteLine($"Received: {input}");
                         book.AddGrade(Convert.ToDouble(input));   
                     }
+                    catch (ArgumentException ex)
+                    {
+                        Console.WriteLine(ex.Message);
+                    }
+                    catch (FormatException ex)
+                    {
+                        Console.WriteLine(ex.Message);
+                    }
+                    finally
+                    {
+                        // Will always run for all catch scenario
+                        Console.WriteLine("Always Done");
+                    }
+                }
             }
 
             var stats = book.GetStatistics();