/**
 * Exercise 7.10 p 251 b and c. Skip a.
 */
public class Exercise710
{

    /**
     * Return the largest of the 3 doubles a, b and c
     */
    public double maxOf(double a, double b, double c)
    {
    }

    /**
     * Return the integer value of an hexadecimal character.<br>
     * Return -1 if the character is not an hexadecimal character.
     */
    public int hexValue(char c)
    {
        // To compute the integer values, use the characters' Unicode codes
        // e.g.for c='0',...,'9', c-'0' is understood as Unicode(c)-Unicode('0')
        // Since '0','1','2',...,'9' are in this order in Unicode,
        // c-'0' gives the integer value of the digit represented by c
        // Do the same thing with c='A',...,'F', but add 10 since A is 10
        // in hexadecimal.
    }
}