Spring Boot & Auto-configuration. Spring Boot eliminates boilerplate by auto-configuring Spring based on classpath dependencies. Opinionated defaults you can override with application.properties / application.yml.. Proje…
ReadSpring: Spring Data JPA. Entities & Repositories. // Entity @Entity @Table(name = "users", indexes = { @Index(columnList = "email", unique = true) }) @EntityListeners(AuditingEntityListener.class) public class User { @Id…
ReadSpring: IoC & Dependency Injection. Spring's IoC (Inversion of Control) container manages object creation and lifecycle. Beans are objects managed by Spring. Dependency Injection wires dependencies automatically — you de…
ReadSpring: Spring MVC & REST APIs. REST Controller. @RestController @RequestMapping("/api/users") @RequiredArgsConstructor @Validated public class UserController { private final UserService userService; @GetMapping public R…
ReadSpring: Spring Security. Security Configuration (Spring Security 6). @Configuration @EnableWebSecurity @EnableMethodSecurity public class SecurityConfig { @Bean public SecurityFilterChain filterChain(HttpSecurity http) t…
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