try{
Statement statement = conn.createStatement();
String sql = "SELECT * FROM PostFloorList WHERE postID="+postID;
ResultSet rs=statement.executeQuery(sql);
Floor temp4add;
while(rs.next()){
temp4add=new Floor(rs.getString("postID"), rs.getString("floorID"), rs.getString("context"),
efrei.ngo.util.GeneralUnil.changeDateToGregorianCalendar(rs.getDate("postDate")), new User(rs.getInt("owner")),new User(rs.getInt("toSomebody")));
floorList.add(temp4add);
}
statement.close();
}catch(Exception ex){