@@ -0,0 +1,562 @@
+public class DroidStatus%0A%7B%0A    public static final int COLLISION = 0;%0A    public static final int MOVED = 1;%0A    public static final int ARRIVED = 2;%0A%0A    public static final String toString (int status)%0A    %7B%0A        switch (status)%0A        %7B%0A            case COLLISION:%0A                return %22COLLISION%22;%0A            case MOVED:%0A                return %22MOVED%22;%0A            case ARRIVED:%0A                return %22ARRIVED%22;%0A            default:%0A                return %22UNKNOWN%22;%0A        %7D%0A    %7D%0A%0A    private DroidStatus ()  // prevent instantiation%0A    %7B%0A    %7D%0A%7D

Create DroidStatus.java