Fireroute Finder Skeleton

/**
 * FireRouteFinder solves the Firetruck dispatch problem.
 * @author your name here
 */
public class FireRouteFinder
{
    /** The name of the file to which output from the main method will be written. */
    public static final String kOutputFilename = "fireroutes.txt";

    /**
     * A driver for the FireRouteFinder that accepts input
     * from a user-specified file and writes the results to <code>kOutputFilename</code>
     * If no arguments are provided, the program terminates.
     * @param args The first argument is the name of
     * a file in the same directory as the program that contains the
     * user input data.
     * @throws IOException if an illegal IO operation is attempted.
     */
    public static void main(String[] args) throws IOException
   /** Find all the routes from the fire station to the fire.
     * @param rdr a Reader for the input data, in the required format
     * @return List the paths that were found, in alphabetical order.
     * @pre destination exists in input and destination > 1
     * @pre maximum number of paths is 99.
     */
    public List<String> findRoutes(Reader rdr)