BlackRock Java Back-end Developer, Aladdin Engineering, Vice President interview questions

1. Started with introduction. 2. About spring boot & microservice experience, its differences. Microservice design principles. 3. Hacker rank problem(actual problem stmt was very lengthy & scary) Given a list of BaggageItem( has 2 fields city, itemName) & should return the sorted Map> city wise on arrival basis - sort them using ForkJoinPool based on arrival - If list size < 10 then sort using sequential way otherwise use fork join pool