Frage im Vorstellungsgespräch bei Naehas

First Round questions: OOPs concepts, Multi-threading, Concurrency API, Collections Framework in Java Basic coding questions on String and Arrays. Second Round questions: Spring framework concepts, Microservices- API Gateway/Registry Service/Circuit Breaker/Docker, Some Algos. based on stack and trees. Third Round questions: Javascript concepts, questions of funny nature of JS, closures, Observables, Rx-JS, Promises, Callbacks, some basic coding in JS. Fourth Round questions: Questions on previous projects, mostly CV based. Fifth Round: General conversation about work and life with no technical questions