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| 1 | +// FizzBuzz |
| 2 | +// by Steven Partlow |
| 3 | +// DATE: 01/06/2023 |
| 4 | + |
| 5 | +/* A C# version of the FizzBuzz problem, uses a TRY / CATCH block to exceptions, check that the number entered is a whole number with no |
| 6 | + decimal places , then checks for FizzBuzz (divisable by 3 and 5), Fizz (divisable by 3) and Buzz (divisable by 5) before a general message |
| 7 | +if none of those three apply, then the program ends */ |
| 8 | + |
| 9 | +using System; |
| 10 | + |
| 11 | +namespace FizzBuzz |
| 12 | +{ |
| 13 | + |
| 14 | + class Program |
| 15 | + { |
| 16 | + |
| 17 | + static void Main(string[] args) |
| 18 | + { |
| 19 | + while (true) |
| 20 | + { |
| 21 | + |
| 22 | + double userNum; // Define variable userNum as a double data type |
| 23 | + try // Try this code, get the user to enter a whole number and catch any errors |
| 24 | + { |
| 25 | + // Output the following text to the console |
| 26 | + Console.WriteLine("FizzBuzz"); |
| 27 | + Console.WriteLine("--------\n"); |
| 28 | + |
| 29 | + Console.Write("Please enter a WHOLE number: "); // Ask the user to enter a whole number |
| 30 | + userNum = Convert.ToDouble(Console.ReadLine()); // Take the inputted user string, convert to type int and store in variable userNum |
| 31 | + |
| 32 | + bool isInt = userNum == (int)userNum; // Check if the number entered is a whole number with no decimal places |
| 33 | + if (isInt == false) // If it is not a whole number |
| 34 | + { |
| 35 | + Console.WriteLine("\nPlease enter a WHOLE, no decimal places, Please try again!.\n"); // Output this text to the console |
| 36 | + continue; // Restart the loop and get the user enter a number again |
| 37 | + } // End IF |
| 38 | + else if (userNum == 0) |
| 39 | + { |
| 40 | + Console.WriteLine("\nPlease do not enter a ZERO, Thank You!.\n"); // Output this text to the console |
| 41 | + continue; // Restart the loop and get the user enter a number again |
| 42 | + } // End ELSE IF |
| 43 | + |
| 44 | + } // End TRY |
| 45 | + |
| 46 | + catch (FormatException ex) // Catch the user attempting to enter a string instead of a number |
| 47 | + { |
| 48 | + Console.WriteLine("\nPlease enter a WHOLE number, no text, Thank You!.\n"); // Output this text to the console |
| 49 | + continue; // Restart the loop and get the user enter a number again |
| 50 | + } // End CATCH Format Exception |
| 51 | + |
| 52 | + catch (DivideByZeroException ex) // Catch the user attempting to divide by zero |
| 53 | + { |
| 54 | + Console.WriteLine("\nPlease do not enter ZERO, Thank You!\n."); // Output this text to the console |
| 55 | + continue; // Restart the loop and get the user enter a number again |
| 56 | + } // End CATCH Divide by Zero Exception |
| 57 | + |
| 58 | + catch (Exception ex) // Catch any other type of error |
| 59 | + { |
| 60 | + Console.WriteLine("\nThere was an error, please try again, Thank You!.\n"); // Output this text to the console |
| 61 | + continue; // Restart the loop and get the user enter a number again |
| 62 | + } // End CATCH General Exception |
| 63 | + |
| 64 | + // End of CATCH Block |
| 65 | + |
| 66 | + // FizzBuzz LOGIC |
| 67 | + if (userNum % 3 == 0 && userNum % 5 == 0) // If the the value the user entered is divisable by three and five then |
| 68 | + { |
| 69 | + Console.WriteLine("\nFizzBuzz"); // Output 'FizzBuzz' to the console |
| 70 | + Console.WriteLine("\nThe application will now exit, Press any KEY to continue.\n"); // Output this text to the console |
| 71 | + Console.ReadKey(); // Peuse the application until the user presses a key |
| 72 | + break; // Break the WHILE loop |
| 73 | + } // End IF |
| 74 | + else if (userNum % 3 == 0) // If the the value the user entered is divisable by three then |
| 75 | + { |
| 76 | + Console.WriteLine("\nFizz"); // Output 'Fizz' to the console |
| 77 | + Console.WriteLine("\nThe application will now exit, Press any KEY to continue.\n"); // Output this text to the console |
| 78 | + Console.ReadKey(); // Peuse the application until the user presses a key |
| 79 | + break; // Break the WHILE loop |
| 80 | + } // End ELSE IF |
| 81 | + else if (userNum % 5 == 0) // If the the value the user entered is divisable by five then |
| 82 | + { |
| 83 | + Console.WriteLine("\nBuzz"); // Output 'Buzz' to the console |
| 84 | + Console.WriteLine("\nThe application will now exit, Press any KEY to continue.\n"); // Output this text to the console |
| 85 | + Console.ReadKey(); // Peuse the application until the user presses a key |
| 86 | + break; // Break the WHILE loop |
| 87 | + } // End ELSE IF |
| 88 | + else // If none of the the three condition above are met |
| 89 | + { |
| 90 | + Console.WriteLine("\nSorry not Fizz or Buzz :("); // Output this text to the console |
| 91 | + Console.WriteLine("\nThe application will now exit, Press any KEY to continue.\n"); // Output this text to the console |
| 92 | + Console.ReadKey(); // Peuse the application until the user presses a key |
| 93 | + break; // Break the WHILE loop |
| 94 | + } // End ELSE |
| 95 | + |
| 96 | + } //End WHILE |
| 97 | + |
| 98 | + } // End MAIN Program |
| 99 | + |
| 100 | + } // END Program CLASS |
| 101 | + |
| 102 | +} // END FizzBuzz NAMESPACE |
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