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Engineering LibreTexts

5.12: C# Examples

  • Page ID
    10665
  • Temperature

    // This program displays a temperature conversion table showing Fahrenheit
    // temperatures from 0 to 100, in increments of 10, and the corresponding 
    // Celsius temperatures using While, Do While, and For loops.
    //
    // References:
    //     https://www.mathsisfun.com/temperature-conversion.html
    //     https://en.wikibooks.org/wiki/C_Sharp_Programming
    
    using System;
    
    public class Temperature
    {
        public static void Main(String[] args)
        {
            WhileLoop();
            DoLoop();
            ForLoop();
        }
    
        private static void WhileLoop()
        {
            double fahrenheit;
            double celsius;
            
            DisplayHeading();
            fahrenheit = 0;
            while (fahrenheit <= 100)
            {
                celsius = CalculateCelsius(fahrenheit);
                DisplayResult(fahrenheit, celsius);
                fahrenheit += 10;
            }
            Console.WriteLine();
        }
    
        private static void DoLoop()
        {
            double fahrenheit;
            double celsius;
            
            DisplayHeading();
            fahrenheit = 0;
            do
            {
                celsius = CalculateCelsius(fahrenheit);
                DisplayResult(fahrenheit, celsius);
                fahrenheit += 10;
            } while (fahrenheit <= 100);
            Console.WriteLine();
        }
    
        private static void ForLoop()
        {
            double fahrenheit;
            double celsius;
            
            DisplayHeading();
            for (fahrenheit = 0 ; fahrenheit <= 100 ; fahrenheit += 10)
            {
                celsius = CalculateCelsius(fahrenheit);
                DisplayResult(fahrenheit, celsius);
            }
            Console.WriteLine();
        }
    
        private static void DisplayHeading()
        {
            Console.WriteLine("F°\tC°");
        }
    
        public static double CalculateCelsius(double fahrenheit)
        {
            double celsius;
            
            celsius = (fahrenheit - 32) * 5 / 9;
            
            return celsius;
        }
        
        private static void DisplayResult(double fahrenheit, double celsius)
        {
            Console.WriteLine(fahrenheit.ToString() + "\t" + celsius.ToString());
        }
    }

    Output

    F°	C°
    0	-17.7777777777778
    10	-12.2222222222222
    20	-6.66666666666667
    30	-1.11111111111111
    40	4.44444444444444
    50	10
    60	15.5555555555556
    70	21.1111111111111
    80	26.6666666666667
    90	32.2222222222222
    100	37.7777777777778
    
    F°	C°
    0	-17.7777777777778
    10	-12.2222222222222
    20	-6.66666666666667
    30	-1.11111111111111
    40	4.44444444444444
    50	10
    60	15.5555555555556
    70	21.1111111111111
    80	26.6666666666667
    90	32.2222222222222
    100	37.7777777777778
    
    F°	C°
    0	-17.7777777777778
    10	-12.2222222222222
    20	-6.66666666666667
    30	-1.11111111111111
    40	4.44444444444444
    50	10
    60	15.5555555555556
    70	21.1111111111111
    80	26.6666666666667
    90	32.2222222222222
    100	37.7777777777778