Dream App World interview questions

Interview Process is very simple first round is coding round in this you have 7 questions for this they will provide you 1 hr but they are not so time bounded u can take half an hour more.questions are basically from Strings and Array and one * pattern question is also there in each set. After this they had one technical round with 2-3 people panel. they ask me all basics things about java as well as PHP as i know basics of PHP and Profile is also for PHP Developer. Topic what i suggest is multi-threading ,exception handling and oops with DBMS(SQL Query's).