public class DroidMovement
{
    public static final int NORTH = 1;
    public static final int SOUTH = 2;
    public static final int WEST = 3;
    public static final int EAST = 4;

    public static final String toString (int direction)
    {
        switch (direction)
        {
            case NORTH:
                return "NORTH";
            case SOUTH:
                return "SOUTH";
            case WEST:
                return "WEST";
            case EAST:
                return "EAST";
            default:
                return "UNKNOWN";
        }
    }

    private DroidMovement ()  // prevent instantiation
    {
    }
}
@@ -568,16 +568,404 @@
 %0A    %7D%0A%0A
+    public static final String toString (String direction)%0A    %7B%0A        switch (direction)%0A        %7B%0A            case %221%22:%0A                return %22NORTH%22;%0A            case %222%22:%0A                return %22SOUTH%22;%0A            case %223%22:%0A                return %22WEST%22;%0A            case %224%22:%0A                return %22EAST%22;%0A            default:%0A                return %22UNKNOWN%22;%0A        %7D%0A    %7D%0A%0A
     priv

Update DroidMovement.java