added all javadocs to class Track

src/main/java/ch/zhaw/pm2/racetrack/Track.java

@@ -66,8 +66,8 @@ public class Track implements TrackSpecification {
     private ConfigSpecification.SpaceType finishTyp;
 
     /**
-     * Initialize a Track from the given track file.
-     *
+     * Initializes the Track from the given track File including the cars.
+     * Throws an corresponding error if one of the conditions are not met to build a track.
      * @param trackFile Reference to a file containing the track data
      * @throws FileNotFoundException       if the given track file could not be found
      * @throws InvalidTrackFormatException if the track file contains invalid data (no tracklines, ...)
@@ -123,10 +123,11 @@ public class Track implements TrackSpecification {
         }
 
     }
-    //TODO: THIS
+    //TODO: SAVE Finish somewhere maybe?
     /**
+     * Checks if there is a finish line in the track if there is no finish line found throws a Exception.
      *
-     * @throws InvalidTrackFormatException
+     * @throws InvalidTrackFormatException if there is no finish Line found in the track
      */
     private void findFinish() throws InvalidTrackFormatException {
         for (int i = 0; i < track.size(); i++) {