CGI Senior Software Developer interview questions

1) Technical Round 1, 2) Techincal Round 2, 3) Managerial Round, 4)HR Round I was interviewed for full-stack engineer, Most questions were from Core java, collections,garbage collector, exception,mySQL,Angular2+ basics, java 8 features used. After first round i did not get call for like a week, then I got call for 2nd round.