Amadeus Senior Software Developer interview questions

I was contacted by a recruiter for F2F interview for C++ developer. First of all they called me on weekday, i had to take half day leave and attend interview. It was scheduled interview. Interview questions are related to OOPS concepts,operator overloading ,design pattern draw,header guards. I answered all of the questions. One thing i noticed that JD which was shared to me was nowhere related to interview. After first round which was technical ,interviewer told me to wait for some time,after that HR comes and tells me we will let you know results by evening or next day afternoon. Till now no communication . I think if someone is not selected at least let them know the feedback, be professional.