Frage im Vorstellungsgespräch bei Birdeye

Round 1: -Basic Java , Spring Boot Questions -Singleton , Immutable class -Caching -Authentication in Java Application -Print path from source to end of a matrix with direction i.e 'R','R',D','D' i.e in 2,2 matrix with Right and Down direction movement allowed print all direction path Round 2: -Scaling, Sharding -SQL queries -Write sample REST API