Spring: Core Training
| Summary: |
    
- Formats:
Classroom,
Live Online,
vFlex-ILT,
Onsite
- Length: 4 Days
Overview:
This 4-day course offers hands-on experience with the major features of Spring and Spring Boot, which includes configuration, data access, REST, AOP, auto-configuration, actuator, security, and Spring testing framework to build enterprise and microservices applications. On completion, participants will have a foundation for creating enterprise and cloud-ready applications.
This course prepares students for the Spring Professional certification exam. |
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| Objectives: | By the end of the course, you should be able to meet the following objectives: • 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 application development with Spring Boot • Spring Boot auto-configuration, starters and properties • Build a simple REST application using Spring Boot, embedded Web Server and fat JARs or classic WARs • Implementing REST client applications using RestTemplate and WebClient • Spring Security • Enable and extend metrics and monitoring capabilities using Spring Boot actuator • Utilize Spring Boot enhancements to testing |
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| Intended Audience: | Application developers who want to increase their understanding of Spring and Spring Boot with hands-on experience and a focus on fundamentals. | |
| Prerequisites: | Some developer experience using Java, an IDE (Eclipse, STS or IntelliJ) and build tools such as Maven or Gradle | |
| Outline: | 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) 3 Annotation-based Dependency Injection • Component scanning • Autowiring using @Autowired • 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? • Defining pointcut expressions • Implementing various types of advice 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 Accss and JDBC with Spring • How Spring integrates with existing data access technologies • DataAccessException hierarchy • Spring‘s JdbcTemplate 9 Database Transactions with Spring • Transactions overview • Transaction management with Spring • Transaction propagation and rollback rules • Transactions and integration testing 10 Spring Boot Introduction • Introduction to Spring Boot Features • Value Proposition of Spring Boot • Creating a simple Boot application using Spring Initializer website 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 • Spring security testing 16 Actuators, Metrics and Health Indicators • Exposing Spring Boot Actuator endpoints • Custom Metrics • Health Indicators • Creating custom Health Indicators • External monitoring systems 17 Spring Boot Testing Enhancements • Spring Boot testing overview • Integration testing using @SpringBootTest • Web slice testing with MockMvc framework • Slices to test different layers of the application 18 Spring Security Oauth (Optional Topic) • OAuth 2 Overview • Implementing OAuth 2 using Spring Security OAuth 19 Reactive Applications with Spring (Optional Topic) • Overview of Reactive Programming concepts • Reactive Programming support in Spring • Using Spring’s reactive WebClient |
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