public Date getExpireDate() {
		Date ret = null;
		if (track2 != null) {
			ret = track2.getExpireDate();
		}
		if (ret == null && track1 != null) {
			ret = track1.getExpireDate();
		}
		return ret;
	}
public Date getExpireDate ( ) { Date ret = null ; if ( track2 != null ) { ret = track2 . getExpireDate ( ) ; } if ( ret == null && track1 != null ) { ret = track1 . getExpireDate ( ) ; } return ret ; }
Method used to get the field expireDate

@return the expireDate