HERE Technologies Software Engineer Java interview questions

1st round was telephonic,after clearing that HR mailed me that there will be 3 more round which will be face to face.And it was scheduled at night on weekday.And from beginning of interview the person was so rude and casual as like he was just doing timepass and not serious about taking interview.

1 round was technical interview on Core Java, 2 round was technical interview on same Core Java and on Project. Then managerial round was their.Then final round was HR round. Prepare Core Java, JSP