Training

Core Spring - Zürich

Course Overview

This course offers hands-on experience with Spring and its major features, including configuration, data access, web and REST applications, Spring Boot, Spring Security and using Spring Cloud to build a small microservices application. On completion, participants will have a foundation for creating enterprise-ready applications.

This course prepares students for the Spring Professional certification exam. Certification exams are sold separately.

Course Objectives

Upon completion of this course, participants will understand how to implement the following:

  • Spring configuration using Java Configuration and Annotations
  • Aspect oriented programming with Spring
  • Testing Spring applications using JUnit 5
  • Spring Data Access - JDBC, JPA and Spring Data
  • Spring Transaction Management
  • Simplifying applications with Spring Boot
  • Spring Boot auto-configuration, starters and properties
  • Build a simple MVC application using Spring Boot, embedded Web Server and fat JARs or classic WARs
  • Implementing REST with Spring MVC and RestTemplate
  • Spring Security
  • Enable and extend metrics and monitoring capabilities using Spring Boot actuator
  • Utilize Spring Boot enhancements to testing

Course Modules

  1. INTRODUCTION TO SPRING
    • Java configuration and the Spring application context
    • @Configuration and @Bean annotations
    • @Import: working with multiple configuration files
    • Defining bean scopes
    • Launching a Spring Application and obtaining Beans
  2. SPRING JAVA CONFIGURATION: A DEEPER LOOK
    • External properties & Property sources
    • Environment abstraction
    • Using bean profiles
    • Spring Expression Language (SpEL)
    • How it Works: Inheritance based proxies
  3. ANNOTATION-BASED DEPENDENCY INJECTION
    • Autowiring and component scanning
    • Java configuration versus annotations, mixing.
    • Lifecycle annotations: @PostConstruct and @PreDestroy
    • Stereotypes and meta-annotations
  4. FACTORY PATTERN IN SPRING
    • Using Spring FactoryBeans
  5. ADVANCED SPRING: HOW DOES SPRING WORK INTERNALLY?
    • The Spring Bean Lifecycle
    • The BeanFactoryPostProcessor interception point
    • The BeanPostProcessor interception point
    • Spring Bean Proxies
    • @Bean method return types
  6. ASPECT-ORIENTED PROGRAMMING
    • What problems does AOP solve?
    • Differences between Spring AOP and AspectJ
    • Defining pointcut expressions
    • Implementing an advice: @Around, @Before, @After
  7. TESTING A SPRING-BASED APPLICATION
    • Spring and Test Driven Development
    • Spring 5 integration testing with JUnit 5
    • Application context caching and the @DirtiesContext annotation
    • Profile selection with @ActiveProfiles
    • Easy test data setup with @Sql
  8. DATA ACCESS AND JDBC WITH SPRING
    • How Spring integrates with existing data access technologies
    • DataAccessException hierarchy
    • Implementing caching using @Cacheable
    • Embedded databases for testing
    • Spring‘s JdbcTemplate
  9. DATABASE TRANSACTIONS WITH SPRING
    • Transactions overview
    • Transaction management with Spring
    • Isolation levels, transaction propagation and rollback rules
    • Transactions and integration testing
  10. SPRING BOOT INTRODUCTION
    • Introduction to Spring Boot
    • Value Proposition of Spring Boot
    • Creating a simple Boot application using Spring Initializr web-site
  11. SPRING BOOT DEPENDENCIES, AUTO-CONFIGURATION AND RUNTIME
    • Dependency management using Spring Boot starters
    • How auto-configuration works
    • Configuration properties
    • Overriding auto-configuration
    • Using CommandLineRunner
  12. JPA WITH SPRING AND SPRING DATA
    • Quick introduction to ORM with JPA
    • Benefits of using Spring with JPA
    • JPA configuration in Spring
    • Configuring Spring JPA using Spring Boot
    • Spring Data JPA dynamic repositories
  13. SPRING MVC ARCHITECTURE AND OVERVIEW
    • Introduction to Spring MVC and request processing
    • Controller method signatures
    • Using @Controller, @RestController and @GetMapping annotations
    • Configuring Spring MVC with Spring Boot
    • Spring Boot packaging options, JAR or WAR
  14. REST WITH SPRING MVC
    • An introduction to the REST architectural style
    • Controlling HTTP response codes with @ResponseStatus
    • Implementing REST with Spring MVC, @RequestMapping, @RequestBody and @ResponseBody
    • Spring MVC’s HttpMessageConverters and automatic content negotiation
  15. SPRING SECURITY
    • What problems does Spring Security solve?
    • Configuring authentication
    • Implementing authorization by intercepting URLs
    • Authorization at the Java method level
    • Understanding the Spring Security filter chain
  16. ACTUATORS, METRICS AND HEALTH INDICATORS
    • Enabling Spring Boot Actuator
    • Custom Metrics
    • Health Indicators
    • Creating custom Health Indicators
    • External monitoring systems
  17. SPRING BOOT TESTING ENHANCEMENTS
    • Spring Boot testing overview
    • Integration testing and slices
    • Slices to test different layers of the application