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Senior Developer Java Interview Questions

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5,290 senior developer java interview questions shared by candidates

What is Spring Boot and what are its main advantages? How does Spring Boot simplify the development of Java applications? Explain the significance of the @SpringBootApplication annotation. What are Spring Boot Starters and how do they benefit development? Explain the concept of auto-configuration in Spring Boot. How can you customize the default behavior of Spring Boot (e.g., changing the default port)? What are embedded servers in Spring Boot and which ones are commonly used? Can you create a non-web application using Spring Boot? Explain the concept of profiles in Spring Boot. How does Spring Boot support asynchronous processing (e.g., using @Async)? What is Spring Security and how do you integrate it with Spring Boot? Explain the role of @Primary and @Qualifier in bean selection. What is a Circuit Breaker and how can it be implemented in Spring Boot? How does Spring Boot handle logging?
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Senior Java Developer

Interviewed at Subex

3.6★
Sep 13, 2025

What is Spring Boot and what are its main advantages? How does Spring Boot simplify the development of Java applications? Explain the significance of the @SpringBootApplication annotation. What are Spring Boot Starters and how do they benefit development? Explain the concept of auto-configuration in Spring Boot. How can you customize the default behavior of Spring Boot (e.g., changing the default port)? What are embedded servers in Spring Boot and which ones are commonly used? Can you create a non-web application using Spring Boot? Explain the concept of profiles in Spring Boot. How does Spring Boot support asynchronous processing (e.g., using @Async)? What is Spring Security and how do you integrate it with Spring Boot? Explain the role of @Primary and @Qualifier in bean selection. What is a Circuit Breaker and how can it be implemented in Spring Boot? How does Spring Boot handle logging?

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