I apply for the summer internship of BOA and then I recieve a phone interview first, the phone interview is mainly discussing my projects and experience. Several days later, an email is sent to inform me to attend the final round in NY. In the final Round, I am interviewed by 4 people in 4 different time period. Most of the questions are about java, gabbage collection and something like that. There are also brain teasers, mine is using three timeglass which counts 3, 5 and 7 minunts to time 9 minunts, and no one timeglass can be used consecutively.