Written exam which contains 1 collection program and remaining are basic core java questions. Easy to crack . But little logical oriented. Second round will be face to face technical round where again they will ask basic java stuff . Then second level technical round with TL . They asked collections, Date, Threads and serialize concepts . Then finally Manager round who asked how really OPEN SOURCE SOFTWARES earns and what they do actually and why ..? then some basic confidence level questions.. Easy to crack ..