public static void Main(string[] args)
{
Power power = new Power();
// initialise variables for use in while loops that
// ensure user enters correct input
int number = 0, pwr = -1;
bool validInteger = false; // if user enters invalid integer value
bool validPower = false; // if user enters invalid power value
int result;
// while user doesn't enter valid / integer value make them re-enter input
while (number < 1 || !validInteger)
{
System.Console.Write("Enter a whole to number: ");
try
{
number = int.Parse(System.Console.ReadLine());
validInteger = true;
}
catch
{
System.Console.WriteLine("Enter a valid integer!");
validInteger = false;
}
}
// run this loop until user enters a power in the correct range
while (pwr < 0 || !validPower)
{
try
{
System.Console.Write("Enter a power (>=0) to raise the number to: ");
pwr = int.Parse(System.Console.ReadLine());
validPower = true;
}
catch
{
System.Console.WriteLine("You entered an invalid power!");
validPower = false;
}
}
// calculate result using power objects method 'raisePower'
result = power.raisePower(number, pwr);
System.Console.WriteLine("The result is " + result);
}
