Domanda di colloquio di Foot Locker

Some coding skills, Java 8 streams, Fibonacci algorithms, equals, and hashcode. Custom implementation of in-memory cache with LRU. It looks like they're very rudimentary in questions. They ask questions from very low level to high level. Expecting APIs to be precise and solution in 10 mins time. Their attitude is the key. Hard to work with them at least for me.