Self Check Chapter 5

/**
 * Self Check Problem 10
 *
 * Z@in @rfi
 * @version (a version number or a date)
 */
import java.util.*;
public class SelfCheck6
{
    public static void zeroDigits(string a)
    {
        int x = 0;
        do{
            x++;
        }
        while(a.length() > 0);
    }
}