SpringApplication: Customizing Startup, Banner, Event Listeners
Master SpringApplication lifecycle customization including startup sequence, custom banners, and application event listeners for boot-time control.
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Spring Boot Test Stack: @SpringBootTest, @WebMvcTest, @DataJpaTest, @MockBean
Master Spring Boot testing annotations: compare @SpringBootTest vs @WebMvcTest vs @DataJpaTest, and learn @MockBean for effective unit testing.
Testing Spring Security: @WithMockUser and SecurityMockMvc
Learn how to test Spring Security: use @WithMockUser for authentication simulation and SecurityMockMvcRequestBuilders for endpoint security validation with MockMvc.
Spring Boot View Resolvers & Thymeleaf Templating
Master Spring Boot view resolution and Thymeleaf templating with this guide covering configuration, security, and best practices.
Spring Data JPA: Repository Patterns, Derived Queries, Pagination
Master Spring Data JPA repository abstraction, derived query method naming, custom @Query JPQL, pagination, and transaction handling.
Spring Core: IoC, DI, Bean Lifecycle, ApplicationContext
Master Spring Framework core concepts: Inversion of Control, Dependency Injection patterns, Bean lifecycle phases, and ApplicationContext variants.
Spring Initializr: Project Bootstrap in Seconds
Learn how Spring Initializr generates ready-to-run Spring Boot projects with dependencies, build tools, and configuration in seconds.
Spring Security Form-Based & HTTP Basic Authentication
Learn how to implement form-based login and HTTP Basic authentication in Spring Security, with configuration examples, security hardening, and failure scenarios.
Spring Security Fundamentals: Auth, Authz, and Filter Chains
Learn Spring Security core concepts: authentication, authorization, and the filter chain with practical examples.
Spring Security Method-Level Security Annotations
Secure Spring Boot methods with @PreAuthorize, @Secured, @RolesAllowed annotations and SpEL expressions for fine-grained access control.