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Master Spring Boot with Adaptive AI.

Master Spring Boot across 25 topics - Foundations, Data and Security, and Advanced Spring Boot - guided by Leyaa's adaptive intelligence.

3Parts
25Topics
209Patterns
50hEst. duration
Start Learning Free
Spring Boot
Spring Boot Course
3 - part learning journey
Beginner
Foundations
8 topics · 67 patterns
Beginner
Intermediate
Data and Security
8 topics · 68 patterns
Intermediate
Advanced
Advanced Spring Boot
9 topics · 74 patterns
Advanced
Begin Part 1: Foundations
✦ Course Structure

Your Spring Boot Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner
Beginner
Part 1: Foundations
Covers Spring Boot Fundamentals, Inversion of Control and Dependency Injection, Spring Annotations and 5 more topics.
8Topics
67Patterns
View topics
Intermediate
Intermediate
Part 2: Data and Security
Covers Spring Data JPA, Entity Relationships, Bean Validation and 5 more topics.
8Topics
68Patterns
View topics
Advanced
Advanced
Part 3: Advanced Spring Boot
Covers Testing Spring Boot Applications, Aspect-Oriented Programming, Caching and 6 more topics.
9Topics
74Patterns
View topics
Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

Spring Boot

3 parts · 25 topics · 209 patterns
Beginner
Part 1: Foundations8 topics · 67 patterns
Beginner
01
Spring Boot Fundamentals
9 patterns
What is Spring Boot
Why Spring Boot over plain Spring
How auto-configuration works
Spring Initializr for project creation
Project structure walkthrough
POM.xml and dependencies
Running a Spring Boot application
Application.properties basics
Embedded server concept
02
Inversion of Control and Dependency Injection
9 patterns
Why IoC matters
IoC container mental model
Bean concept in Spring
@Component annotation
@Autowired for dependency injection
Constructor injection (preferred)
Field injection and why to avoid it
@Qualifier for ambiguous beans
Bean lifecycle overview
03
Spring Annotations
8 patterns
Why annotations drive Spring Boot
@SpringBootApplication breakdown
@Component, @Service, @Repository, @Controller
@Configuration and @Bean
@Value for property injection
@Profile for environment-specific beans
@Scope for bean scope
@PostConstruct and @PreDestroy
04
REST Controllers
10 patterns
Why REST controllers are essential
@RestController annotation
@RequestMapping for base paths
@GetMapping for GET requests
@PostMapping for POST requests
@PutMapping and @DeleteMapping
@PathVariable for URL parameters
@RequestParam for query strings
@RequestBody for JSON input
ResponseEntity for full response control
05
Request and Response Handling
8 patterns
Why understanding request flow matters
Request mapping by method and path
Content type negotiation
JSON serialization with Jackson
Returning different status codes
Custom response headers
Handling path variables and query params together
Request validation preview
06
Application Configuration
8 patterns
Why configuration matters
application.properties structure
application.yml alternative
Custom configuration properties
@ConfigurationProperties for type-safe config
Profile-based configuration
Environment variables in configuration
Configuration precedence order
07
Logging
7 patterns
Why logging matters
SLF4J and Logback basics
Log levels (TRACE, DEBUG, INFO, WARN, ERROR)
Logger creation in classes
Log formatting configuration
File-based logging
Package-level log configuration
08
Exception Handling
8 patterns
Why centralized error handling matters
@ExceptionHandler in controllers
@ControllerAdvice for global handling
Custom exception classes
ResponseEntityExceptionHandler
Problem Details for standard error format
Validation error responses
Handling not found exceptions
Intermediate
Part 2: Data and Security8 topics · 68 patterns
Intermediate
01
Spring Data JPA
10 patterns
Why JPA matters for database access
JPA entity with @Entity annotation
@Id and @GeneratedValue for primary keys
Column mapping with @Column
JpaRepository interface
CRUD methods (save, findById, findAll, delete)
Custom query methods by naming convention
@Query for custom JPQL
Native SQL queries
Pagination and sorting with Pageable
02
Entity Relationships
9 patterns
Why relationships matter in JPA
@OneToMany relationship
@ManyToOne relationship
@OneToOne relationship
@ManyToMany relationship
Cascade types and behavior
Fetch types (LAZY vs EAGER)
N+1 query problem
Join fetch for optimization
03
Bean Validation
9 patterns
Why input validation is critical
@Valid annotation on request body
@NotNull, @NotBlank, @NotEmpty
@Size for length constraints
@Min, @Max for numeric constraints
@Email and @Pattern
Custom validator annotation
Validation groups
Validation error response formatting
04
Service Layer Pattern
8 patterns
Why service layer matters
@Service annotation
Business logic in services
Service calling repository
Transaction management with @Transactional
Read-only transactions
Service-to-service communication
DTO pattern for data transfer
05
Spring Security Basics
9 patterns
Why Spring Security matters
Spring Security auto-configuration
SecurityFilterChain configuration
Password encoding with BCrypt
UserDetailsService implementation
Authentication flow
Form-based login configuration
HTTP Basic authentication
Securing endpoints by role
06
JWT Authentication
8 patterns
Why JWT matters for APIs
JWT structure (header, payload, signature)
JWT generation
JWT validation filter
Authentication with JWT token
Refresh token pattern
Stateless authentication mental model
JWT vs session-based decision
07
Spring Security Authorization
7 patterns
Why authorization matters
Role-based access control
@PreAuthorize annotation
@Secured annotation
Method-level security
Custom permission evaluator
CORS configuration in Security
08
Data Transfer Objects
8 patterns
Why DTOs matter
Request DTO for input
Response DTO for output
Entity to DTO mapping
MapStruct for automatic mapping
Nested DTOs
DTO validation
DTO vs entity separation benefit
Advanced
Part 3: Advanced Spring Boot9 topics · 74 patterns
Advanced
01
Testing Spring Boot Applications
9 patterns
Why testing matters
@SpringBootTest for integration tests
@WebMvcTest for controller testing
MockMvc for HTTP assertions
@DataJpaTest for repository testing
@MockBean for mocking dependencies
TestRestTemplate for full integration
Test profiles and configuration
Test containers for database testing
02
Aspect-Oriented Programming
9 patterns
Why AOP matters
Cross-cutting concerns concept
@Aspect annotation
Pointcut expressions
@Before advice
@After and @AfterReturning
@Around advice for full control
AOP for logging
AOP for performance monitoring
03
Caching
8 patterns
Why caching matters for performance
@EnableCaching annotation
@Cacheable for read caching
@CacheEvict for invalidation
@CachePut for updating cache
Cache configuration
Redis as cache provider
Cache key strategies
04
Async Processing
8 patterns
Why async processing matters
@EnableAsync annotation
@Async for async methods
CompletableFuture return types
Custom thread pool configuration
Exception handling in async
Scheduled tasks with @Scheduled
Cron expressions for scheduling
05
Messaging
8 patterns
Why messaging matters
RabbitMQ integration basics
Kafka integration basics
@RabbitListener for consuming
RabbitTemplate for producing
Message serialization
Dead letter queues
Event-driven architecture pattern
06
Spring Boot Actuator
8 patterns
Why monitoring matters
Actuator endpoints overview
Health endpoint customization
Metrics with Micrometer
Info endpoint configuration
Custom actuator endpoints
Securing actuator endpoints
Prometheus and Grafana integration concept
07
API Documentation
7 patterns
Why API docs matter
SpringDoc OpenAPI setup
Swagger UI integration
@Operation annotation for descriptions
@Parameter and @Schema annotations
Grouping APIs by tags
Generating client code from spec
08
Docker and Deployment
9 patterns
Why containerization matters
Dockerfile for Spring Boot
Multi-stage Docker builds
docker-compose for services
Database and app orchestration
Environment-based profiles
Health checks in Docker
CI/CD pipeline basics
Cloud deployment overview (AWS, Azure)
09
Advanced Patterns
8 patterns
Why enterprise patterns matter
Specification pattern for dynamic queries
Event publishing with ApplicationEventPublisher
Custom auto-configuration
Conditional bean creation
Multi-module project structure
Feature flags concept
Circuit breaker with Resilience4j
Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics
Adaptive Diagnostics
Leyaa identifies which of the 209 patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Intelligent Pacing
Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.
Learner Autonomy
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Clear Learning Path
Foundations → Data and Security → Advanced Spring Boot - a structured journey where each part sets you up perfectly for the next.
Spring Boot

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25 Topics
209 Patterns
Personalized roadmap
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