code: public static double bearingDegDeg(double latS, double lngS, double latE, double lngE) {
      return rad2deg(bearingRad(deg2rad(latS), deg2rad(lngS), deg2rad(latE), deg2rad(lngE)));
    }
docs: Compute the bearing from start to end.
  
  @param latS Start latitude, in degree
  @param lngS Start longitude, in degree
  @param latE End latitude, in degree
  @param lngE End longitude, in degree
  @return Bearing in degree