Perguntas de entrevista de vagas de Java Developer da empresa Parts Avatar

First round is offline coding round, simple in logic but much to code. Second was an hangout interview one on one with a lady, she was nice and explained questions very well. Last one was with CTO hangout - very poor person in nature, he just asked one question and started shouting and yelling and giving warnings. He was in bad mood i think, or might be the case that his behavior is that way. I think interview is the process to bring out the best in interviewee