Continental Senior Software Engineer interview questions

Applied through company portal. In interview asked about current project, object oriented concepts. Database related questions. Data types in java. Multithreading in java. Areas of interest. Sorting algorithms, reversing the string.

I have gone through 3 rounds. First is telephonic, second is face to face interview and the third round is managerial. They scheduled the interview at 8:30AM and even by 11:00AM the interview wasn't taken as the director is busy. Then why to schedule interview at first place? I have gone to company 2 times - 2 different days for 2 rounds. Later how much ever i tried to contact HR for the result, there is no response. It's not about one has to get the offer atleast you should notify the person whether they are selected or not for the effort they had put in for that time. This clearly shows they don't respect people.