Technical aptitude, followed by program writing round, followed by technical interview and finally HR round. It is a little bit lengthy process , but trust me it is worth spending 6 or 7 days. At least you would get a good experience about the various types of questions asked and the difficulty level. It would help you to learn more technical stuff and understand things logically

Written exam followed by face to face interview where you find some tricky java programs to do some logical questions . Then face to face where they can test your confidence