CTC 15+ LPA Infosys Spring Boot Developer Interview Questions & Answer | 3 Years Java Experience

Preparing for a Spring Boot interview with 3+ years of experience? CTC 15+ LPA Infosys Spring Boot Developer Interview Questions & Answer | 3 Years Java Experience

This video covers Top 40 most frequently asked Spring Boot interview questions, explained in a clear, practical, industry-oriented way, especially useful for Infosys and other enterprise interviews.

Each question is explained with real project scenarios, so you understand not just what Spring Boot concepts are, but how they are used in real-world applications.

Whether you are a Java Backend Developer, Spring Boot Developer, or preparing for service-based company interviews, this video will help you gain confidence and answer questions like an experienced professional.

✅ Spring Boot Interview Questions Covered in This Video

What is Spring Boot?

What are the advantages of using Spring Boot?

Explain Auto-Configuration in Spring Boot

What are Spring Boot Starters?

What is Spring Initializr?

What does @SpringBootApplication do?

What is Dependency Injection in Spring Boot?

What is IoC Container?

Difference between @RestController and @Controller

Difference between @GetMapping and @RequestMapping

application.properties vs application.yml

What are Spring Profiles?

What is Spring Boot Actuator?

How do you handle exceptions globally in Spring Boot?

What is Spring Data JPA?

How does Pagination and Sorting work in Spring Data JPA?

How does caching work in Spring Boot?

What is Spring Security and why is it used?

What is the default embedded server in Spring Boot?

How do you change the server port in Spring Boot?

What is CORS and why is it required?

How do you handle file uploads in Spring Boot?

What is @RequestBody?

What is @ResponseBody?

How do you enable CORS in Spring Boot?

Difference between RestTemplate and WebClient

What is @ConfigurationProperties?

How does caching work using @EnableCaching?

How do you customize logging in Spring Boot?

What is @Scheduled and how does scheduling work?

What is Spring Boot DevTools?

Difference between @Autowired, @Inject, and @Resource

Can a Spring Boot application run without a main method?

Explain Spring Bean Lifecycle (@PostConstruct, @PreDestroy)

What are Spring Bean Scopes?

What is @ConditionalOnProperty?

What is @Transactional and how does transaction management work?

Embedded server vs External server in Spring Boot

What is Swagger / OpenAPI in Spring Boot?

How are applications deployed across Dev, QA, Staging, and Prod environments?

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🚀 Who Should Watch This Video?

✔ Java Developers
✔ Spring Boot Developers
✔ Backend Engineers (2–5 years experience)
✔ Infosys / TCS / Wipro / Accenture interview candidates
✔ Anyone preparing for Spring Boot technical interviews

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