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Spring Boot cheat sheet & developer notes

Spring Boot cheat sheet and 2 curated developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · Spring Boot

Controllers, Beans & Configuration

Controllers, Beans & Configuration. REST Controllers & Dependency Injection. @SpringBootApplication // @Configuration + @EnableAutoConfiguration + @ComponentScan public class MyAppApplication { public static void main(St…

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02 · Spring Boot

Validation, Error Handling & Testing

Validation, Error Handling & Testing. Validation & Global Error Handling. public record CreateUserRequest( @NotBlank String name, @Email String email ) {} @RestControllerAdvice public class GlobalExceptionHandler { @Exce…

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Concepts to know for Spring Boot

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Graceful Shutdown and Health ChecksWhat really happens between SIGTERM and SIGKILL, why pods get traffic after they start stopping, and what liveness, readiness and startup probes should check.Intermediate·13 min

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