Programming Fundamentals/Arrays/C Sharp

arrays.cs

// This program uses arrays to display temperature conversion tables 
// and temperature as an array subscript to find a given conversion.

using System;

public class MainClass
{
    public static void Main(String[] args)
    {
        double[] c = new double[101];
        double[] f = new double[213];
        
        BuildC(c);
        BuildF(f);
        DisplayArray("C", c);
        DisplayArray("F", f);
        FindTemperature(c, f);
    }

    private static void BuildC(double[] c)
    {
        int index;
        
        for (index = 0 ; index <= c.Length - 1 ; index += 1)
        {
            c[index] = (double) index * 9 / 5 + 32;
        }
    }

    private static void BuildF(double[] f)
    {
        int index;
        
        for (index = 0 ; index <= f.Length - 1 ; index += 1)
        {
            f[index] = (double) (index - 32) * 5 / 9;
        }
    }

    private static void DisplayArray(string name, double[] array)
    {
        int index;
        
        for (index = 0 ; index <= array.Length - 1 ; index += 1)
        {
            Console.WriteLine(name + "[" + index + "] = " + array[index]);
        }
    }

    private static void FindTemperature(double[] c, double[] f)
    {
        int temp;
        int size;
        
        size = GetMinimumSize(c, f);
        do
        {
            Console.WriteLine("Enter a temperature between 0 and " + (size - 1));
            temp = Convert.ToInt32(Console.ReadLine());
        } while (temp < 0 || temp > size - 1);
        Console.WriteLine(temp.ToString() + "° Celsius is " + c[temp] + "° Fahrenheit");
        Console.WriteLine(temp.ToString() + "° Fahrenheit is " + f[temp] + "° Celsius");
    }

    private static int GetMinimumSize(double[] c, double[] f)
    {
        int size;
        
        size = c.Length;
        if (size > f.Length)
        {
            size = f.Length;
        }
        
        return size;
    }
}

Try It

Copy and paste the code above into one of the following free online development environments or use your own C Sharp compiler / interpreter / IDE.

• CodeChef
• C# Pad
• .NET Fiddle
• Ideone
• paiza.IO
• Rextester
• repl.it
• TutorialsPoint

See Also

• Wikibooks: C Sharp Programming