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35+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes auto configuration, starters, configuration management, profiles and properties, and more.
Suggested path
Topics follow a teaching order. Each answer ends with a clear Next question control so you can move forward without hunting the list.
Spring Boot interviews test whether you understand the auto-configuration magic, not just that it works. This module is an elevation arc: it opens with auto-configuration (the centerpiece — how @Conditional builds the context), then starters (the dependency model), then configuration management and profiles. Embedded servers and Actuator are the production tier, then testing and troubleshooting. It closes with comparisons and scenario-based questions.
Full catalog
Topics are ordered for learning. Within each topic, rows are numbered 1–35 globally so you always know where you are. Collapse topics if you want a lighter view — use Expand all when you need the full list again.
Numbers 1–35 follow the order we recommend — click any row to open the full answer, or use the sticky Next link at the bottom of each page to go Q1 → Q35.
Interviewers rarely ask Spring Boot in isolation. These are the modules that most often come up in the same loop.