EzeiaTech Software Developer interview questions

first round : one online assessment test which contained 2 java questions (one from array one from map) , and one Spring API building question . second round: in interview (video call ) java and Collections, Spring boot thoroughly , you must have clear basics and annotation knowledge . third round : video conferencing java and spring boot questions , multithreading programs . fourth round (CTO round) : got rejected here , he asked Microservice architecture internally and asked few scenarios and asked me how will I structure that . I could not get selected here but I learnt a lot from this company's interview .