Spring Boot is a framework that simplifies building production-ready Spring applications with auto-configuration, embedded servers, and opinionated defaults.

What is dependency injection in Spring Boot?

Dependency injection is a design pattern used in Spring Boot to supply required components to classes, improving modularity and testability.

What is Spring Data JPA?

Spring Data JPA simplifies data access by providing repository abstractions over JPA, reducing boilerplate code for database operations.

Spring Boot Interview Questions

251. How do you deploy Spring Boot applications?

252. How do executable JARs work?

253. How do Docker containers run Spring Boot applications?

254. How do you optimize Spring Boot startup time?

255. How do you profile Spring Boot applications?

256. How do you analyze heap dumps in Spring Boot applications?

257. How do you troubleshoot memory leaks in Spring Boot services?

258. How do you optimize database performance in Spring Boot?

259. How do you handle millions of requests per day in Spring Boot?

260. How would you design a scalable Spring Boot microservices architecture?