Pennant Technologies Java Developer interview questions

I have applied through employee referal.I have received my interview call letter after 10 days..I consists of 3 rounds.First round is written test it consists of aptitude and techincal questions..The technical questions consists of full of java definitions.referal javatpoint for this.It will be helpful.After written test there will be f2f interview.In this they mainly focus on our academic project.After that there will hr round