Walmart Global Tech Senior Software Engineer interview questions

Direct-Hire Technical Interview one round: Leetcode Medium Question : All Nodes Distance K In Binary Tree Leetcode_863. Expect Medium Questions from Leetcode some times Hard- also questions about Kafka - Kubernetes - Java basic - Java 8 .. this is part of the questions • Most important features on Java 8. What is a functional interface? • Difference between Spring MVC and spring boot? • Difference between scaling up and scaling out. • load balancer and types. Like round-robin, sticky, Ip address based • Get vs load hibernate. • Difference between sharding vs partitioning? , relational DB vs non-relational DB? • What is normalization? ACID in DB? isolation level? Transaction propagation? Optimistic and Pessimistic locking? • Throw and Throws. • Errors and Exceptions • SOLID • Thread synchronization and java garbage collector • static vs non-static