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Walmart

Senior Software Engineer

Purpose and execution of @PostConstruct

Easy

Round 2 (Spring Boot)general_knowledgeCandidate Selected

Java Lifecycle Spring Boot

What is the purpose of @PostConstruct, and when is it executed?

This question was asked in

Walmart Senior Software Engineer Interview Experience

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.