package test5;

public class Test5A 
{
    /**
     * Returns the sum of the digits of the given string.
     * The sum of the empty string is 0.
     * 
     * @param digits a string consisting of only digits.
     * @pre. digits consists of only digits.
     * @return the sum of the digits of the given string.
     */
    public static int sum(String digits)
    {



    }
    
    /**
     * Tests whether the given character occurs an even number of 
     * times in the given string.  The number 0 is even.
     * 
     * @param word a word.
     * @pre. word != null
     * @param character a character
     * @return true if the given character occurs an even number of 
     * times in the given string, false otherwise.
     */
    public static boolean even(String word, char character)
    {




    }
}