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During the Spring Boot interview, I was asked a variety of questions that covered key topics in system design, RESTful web services, and database management. The interviewer wanted to know why organizations should use frameworks like Spring Boot instead of creating custom Java frameworks, highlighting the benefits of pre-built solutions and community support.
I was also asked to explain the relationship between Spring and Spring Boot and how modern RESTful services differ from older implementations. The discussion included features in Spring Boot that simplify the development and deployment of RESTful web services, such as auto-configuration, embedded servers, and starter dependencies.
Questions about handling typeahead queries emphasized the importance of precomputing results and using in-memory key-value databases like Redis to achieve ultra-low latency. I had to explain the difference between eager and lazy loading, how dependency injection works in Spring Boot, and the use of the RestTemplate feature.
The practical part involved describing how to implement a relational database with Spring Boot and perform CRUD operations, including high-level steps like configuring the database, creating entity classes, and setting up repository interfaces.
Overall, the interview covered a wide range of topics, testing both theoretical knowledge and practical application of Spring Boot in real-world scenarios.
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