FIS Senior Software Engineer interview questions

One technical interview. 1. The guys who came to take the interview had so bad communication that i was not getting half the question they asked. 2. they try to show off that they know java in and out, but they lack in basics themselves. 3. They ask you all theoretical questions and if you say not sure or don't know the answer you get a response "you don't know this? this is basic". 4. One of the highly unprofessional interview i have attended in my life ( rather unprofessional ppl). Even if they offered to double the salary i would have rejected there offer then and there.