Altimetrik Technical Lead Java interview questions

The interview was scheduled over the phone at 7 PM in the night and was rescheduled to 8:30 PM. Finally the interview was conducted at 10:30 PM in the night over the phone, as the interviewer wasn't available till then. I found that the other person had slogged through the day and was completely exhausted even to listen to the answers. The interview was fairly easy and I didn't find anything which was non answerable. However, I never received any response back from them. I found appearing in such an interview as a complete waste of time as quality of questions was absolutely basic and on top of it there was no outcome.