static void Main(string[] args)
{
int option = 0;
do
{
ChooseOption(ref option);
switch (option)
{
case 1:
float circleRadius = 0;
UserInputValidation.ValidateUserInputRadius(ref circleRadius, "Enter the radius of the circle");
Area(circleRadius);
break;
case 2:
float widthOfTheRectangle = 0;
UserInputValidation.ValidateUserInput(ref widthOfTheRectangle, "Enter the width of the rectangle");
float heightOfTheRectangle = 0;
UserInputValidation.ValidateUserInput(ref heightOfTheRectangle, "Enter the height of the rectangle");
AreaRectangle(widthOfTheRectangle, heightOfTheRectangle);
break;
case 3:
float cylinderRadius = 0;
UserInputValidation.ValidateUserInputRadius(ref cylinderRadius, "Enter the radius of the cylinder");
float cylinderHeight = 0;
UserInputValidation.ValidateUserInput(ref cylinderHeight, "Enter the height of the cylinder");
Area(cylinderRadius, cylinderHeight);
break;
}
} while (option != 4);
}
///<summary>
//Calculating the surface of a circle based on the given radius
///</summary>
public static void CalculateSurface()
{
double circleRadius = 0;
UserInputValidation.ValidateUserInput(ref circleRadius, "Enter the radius of the circle");
double surface = Math.PI * Math.Pow(circleRadius, 2);
Console.WriteLine("The surface of the circle is, {0:F2}", surface);
}
///<summary>
///Function that read in and validates the option of the user
///</summary>
public static void ChooseOption(ref int option)
{
do
{
Console.WriteLine("1. Calculate the area of a circle");
Console.WriteLine("2. Calculate the area of a rectangle");
Console.WriteLine("3. Calculate the area of a cylinder");
Console.WriteLine("4. Exit");
UserInputValidation.ValidateUserInput(ref option, "Choose an option");
} while (!(option == 1 || option == 2 || option == 3 || option == 4));
}
///<summary>
//Convert celsius to fahrenheit and kelvin and vice-versa
///</summary>
public static void CalculateTemperature()
{
float temperatureInCelsiusDegree = 0, temperatureInKelvin = 0, temperatureInFahrenheit = 0;
UserInputValidation.ValidateUserInput(ref temperatureInCelsiusDegree, "Enter the temperature in Celsius");
UserInputValidation.ValidateUserInput(ref temperatureInKelvin, "Enter the temperature in Kelvin");
UserInputValidation.ValidateUserInput(ref temperatureInFahrenheit, "Enter the temperature in Fahrenheit");
float temperatureConversionCelsiusToKelvin = (float)temperatureInCelsiusDegree + (float)273.15;
double temperatureConversionCelsiusToFahrenheit = temperatureInCelsiusDegree * 9 / 5 + 32;
double temperatureConversionKelvinsToCelsius = temperatureInKelvin - 273.15;
double temperatureConversionFahrenheitToCelsius = (temperatureInFahrenheit - 32) * 5 / 9;
Console.WriteLine("{0} °C in Kelvin is {1}K ", temperatureInCelsiusDegree, temperatureConversionCelsiusToKelvin);
Console.WriteLine($"{temperatureInCelsiusDegree} °C celsius in fahrenheit is {temperatureConversionCelsiusToFahrenheit:F2}");
Console.WriteLine("{0} Kelvin in celsius is {1}", temperatureInKelvin, temperatureConversionKelvinsToCelsius);
Console.WriteLine($"{temperatureInFahrenheit} °F in celsius is {temperatureConversionFahrenheitToCelsius}");
}
static void Main(string[] args)
{
int number = 0;
UserInputValidation.ValidateUserInput(ref number, "Enter a number");
OddAndEvenNumbers(number);
Console.WriteLine();
int grade = 0;
UserInputValidation.ValidateUserInput(ref grade, "Enter your grade");
SpecifyGrade(grade);
Console.WriteLine();
string userInput = string.Empty;
UserInputValidation.ValidateUserInput(ref userInput, "Enter your string ");
char symbolToFindInUserInput = ' ';
UserInputValidation.ValidateUserInput(ref symbolToFindInUserInput, "Enter the symbol you want to find ");
FindOccurencesOfSymbolInString(userInput, symbolToFindInUserInput);
string userInput1 = string.Empty;
UserInputValidation.ValidateUserInput(ref userInput1, "Enter your string ");
if (isStringPalindrome(userInput1))
{
Console.WriteLine($"{userInput1} is Palindrom");
}
else
{
Console.WriteLine($"{userInput1} is NOT Palindrom");
}
RecursiveIsStringPalindrome(userInput1);
}
static void Main(string[] args)
{
int year = 0;
UserInputValidation.ValidateUserInput(ref year, "Enter a year");
bool IsLeapYear = (year % 4 == 0) && (year % 100 != 0 || year % 400 == 0);
List <int> DaysInMonths = IsLeapYear ?
new List <int> {
31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
} :
new List <int> {
31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
};
int dayNumber = 0;
string month = string.Empty;
int day = 0;
if (IsLeapYear)
{
while (!(dayNumber >= 1 && dayNumber <= 366))
{
UserInputValidation.ValidateUserInput(ref dayNumber, "Enter a number between 1 and 366");
CalculateMonthAndDayFromDayNumber(DaysInMonths, ref month, ref day, ref dayNumber);
}
}
else
{
while (!(dayNumber >= 1 && dayNumber <= 365))
{
UserInputValidation.ValidateUserInput(ref dayNumber, "Enter a number between 1 and 365");
CalculateMonthAndDayFromDayNumber(DaysInMonths, ref month, ref day, ref dayNumber);
}
}
Console.WriteLine($"{month} {day}");
}