#Concurrency

The interview process at Walmart consisted of five comprehensive technical rounds covering a broad range of topics. Across the rounds, the candidate was evaluated on Core Java & Concurrency, Spring Boot internal mechanics, Microservices architecture and DevOps practices, SQL queries and indexing, and Low-Level System Design (LLD). Overall, the process was thorough with a medium-to-hard difficulty level, heavily focusing on deep technical understanding, concurrency, and SOLID principles.

The Rubrik interview process was comprehensive and challenging, spanning five rounds. Candidates can expect a mix of MCQs on Java and OOP in the first round, followed by coding questions involving HashMaps and Binary Search. The subsequent rounds focus on advanced topics such as multithreading issues, concurrency, and a high-level system design problem regarding a Unique ID Generator. Overall, the interview at Rubrik offers an intensive assessment of technical skills with a particular emphasis on multithreading and system design principles.