/// <summary>
/// Below the multiplication table method validates the input making sure what
/// is put in is not null, and that it can be converted to an int then it takes the iput and
/// runs it in a nested for loop that does the multiplication
/// </summary>
internal static void MultiplicationTables()
{
//Validates the input and ensures that it is an int.
#region ValidateInput and make sure it is an Int
while (string.IsNullOrWhiteSpace(userInput))
{
Console.WriteLine("Please Enter an Integer you would like see Muliplication Tables for");
userInput = Console.ReadLine();
}
//try catch block that checks whether the input is valid by attempting to convert it to an int
try
{
numCheck = Convert.ToInt32(userInput);
}
// catch format exception when the user types anything other than an int
catch (FormatException e)
{
Console.WriteLine(userInput + " is not a valid integer", e);
userInput = null;
MultiplicationTables();
}
#endregion
/// for loop that runs for every number lower than or equal to the user input number
/// it then takes the local variables computes a multiplication for them and prints out the
/// results with the console writeline
for (int i = 1; i <= numCheck; i++)
{
for (int j = 0; j <= numCheck; j++)
{
Console.WriteLine("{0}x{1} = {2}", i, j, i * j);
}
}
//run app again to go back to main menu
RunApplication.RunApp();
}
/// <summary>
/// Validate that the user input information is not empty
/// accept input from the user and assign the correlating arrays
/// combine the arrays at the indexes into a list that alternates between each list
/// </summary>
internal void ShuffleInfo()
{
// Do- while runs while the each lists is less than the target number
// does this for each list until each list is full of the customer provided input
#region Validate that input is not null and add input to first list
do
{
userInput = null;
while (string.IsNullOrWhiteSpace(userInput))
{
Console.WriteLine("Enter an item for the first list \n List item number : " + listOneItems);
userInput = Console.ReadLine();
listOne[listOneItems] = userInput;
listOneItems++;
Console.Clear();
}
} while (listOneItems <= 4);
#endregion
#region Validate that input is not null and add input to Second list
do
{
userInput = null;
while (string.IsNullOrWhiteSpace(userInput))
{
Console.WriteLine("Enter an item for the Second list\n List item number :" + listTwoItems);
userInput = Console.ReadLine();
listTwo[listTwoItems] = userInput;
listTwoItems++;
Console.Clear();
}
} while (listTwoItems <= 4);
#endregion
// run a for loop that adds the list one item at the index to the combined
//list and the list 2 item at that same index, this will alternate the results
for (int i = 0; i < listOne.Length; i++)
{
combinedList.Add(listOne[i]);
combinedList.Add(listTwo[i]);
}
// For each loop to read out each item saved in the combined list
foreach (string listItem in combinedList)
{
Console.WriteLine(listItem);
}
//run application again to start it all over
RunApplication.RunApp();
}
/// <summary>
/// Is even checks to see if the number input is divisable by 2 and
/// therefore even after trying to covert the userInput to int, if
/// it can't convert the user input to int it will catch a format exception
/// </summary>
internal static void IsEven()
{
ConsoleKeyInfo esc;
Console.WriteLine("Press the Escape (Esc) at any time to quit: \n");
#region Validate Input
// while check to make sure the user didn't put nothing
while (string.IsNullOrWhiteSpace(userInput))
{
Console.WriteLine("Please Enter an Integer you would like to check");
userInput = Console.ReadLine();
}
//try catch block that checks whether the input is valid by attempting to convert it to an int
try
{
numCheck = Convert.ToInt32(userInput);
}
// catch format exception when the user types anything other than an int
catch (FormatException e)
{
Console.WriteLine(userInput + " is not a valid integer", e);
userInput = null;
IsEven();
}
#endregion
#region Check Results
// check to see if the number is divisable by 2
if (numCheck % 2 == 0)
{
Console.WriteLine(userInput + " is Even");
userInput = null;
}
// if it is not divisable by 2 notify the user
else
{
Console.WriteLine(userInput + " is not Even");
userInput = null;
}
#endregion
// run applicaiton from the main menu again since this task has been completed.
RunApplication.RunApp();
}
static void Main(string[] args)
{
RunApplication.RunApp();
}