public static void processMap()
{
    for (int i = 0; i < lat.size(); i++)
    {
        MarkerOptions markerOptions = new MarkerOptions();
        LatLng latLng = new LatLng(lat.get(i), lng.get(i));

        markerOptions.position(latLng);
        markerOptions.title("title");
        markerOptions.snippet("description");

        mMap.addMarker(markerOptions);
        bounds.include(new LatLng(lat.get(i), lng.get(i)));
    }

    mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds.build(), 150));
}

public static void processMap()
    {
        int num = 0;
        double lat2 = 0;
        double lng2 = 0;

        for (int l = 0; l < lat.size(); l++)
        {
            lat2 = lat.get(l);
            lng2 = lng.get(l);
            LatLng latLng = new LatLng(lat2, lng2);

            MarkerOptions markerOptions = new MarkerOptions();
            markerOptions.position(latLng);
            markerOptions.title(title.get(l));
            markerOptions.snippet(description.get(l));

            mMap.addMarker(markerOptions);

            bounds.include(new LatLng(lat2, lng2));
            num++;
        }

        if (num == 1)
        {
// if only 1 marker
            LatLng latLng2 = new LatLng(lat2, lng2);
            mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng2, 16));
        }
        else
        {
// more than 1 marker
            mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds.build(), 150));
        }
    }

if (num == 1)
    {
// if only 1 marker
        mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(bounds.build(), 16));
    }
    else
    {
// more than 1 marker
        mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds.build(), 150));
    }