Spring Boot Developer Training in Denmark

A good working knowledge of web application development using Java and an IDE. Basic understanding of Spring: Java Config, component-scanning, Spring driven testing and Spring data-management (​JdbcTemplate​, ​@Transactional​). Experience using Java, Git, and a build tool (Maven or Gradle).

Upon completion of this course, participants will understand how SpringBoot enhances the following:

• Describe the benefits provided by Spring Boot
• Initialize a project using Spring Boot Starters
• Leverage Spring Boot's auto configuration features to enableJDBC setup and initialization
• Create simplified backing-store solutions using Spring Data and JPA
• Build a simple MVC application using Spring Boot, embedded WebServer and fat JARs or classic WARs
• Build a RESTful Web application
• Use Spring Security to secure Web and REST endpoints
• Enable and extend metrics and monitoring capabilities usingSpring Boot actuator
• Leverage advance configuration capabilities
• Utilize Spring Boot enhancements to testing

Review of Spring Essentials

• Why Spring
• Configuration using Spring
• Bean creation
• Data Management

Spring Boot Introduction

• Introduction to Spring Boot
• Value Proposition of Spring Boot
• High-level Spring Boot features
• Creating a simple Boot application using SpringInitializr web-site

Spring Boot Dependencies, Auto-Configuration and Runtime

• Dependency management using Spring Bootstarters
• How auto-configuration works
• Configuration properties
• Overriding auto-configuration
• Using CommandLineRunner

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

Spring MVC Architecture and Overview

• Introduction to Spring MVC and requestprocessing
• Controller method signatures
• Using @Controller, @RestController and@GetMapping annotations
• Configuring Spring MVC with Spring Boot
• Spring Boot packaging options, JAR or WAR

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 andautomatic content negotiation

Spring Security

• What problems does Spring Security solve?
• Configuring authentication
• Implementing authorization by intercepting URLs
• Authorization using OAuth
• Authorization at the Java method level
• Understanding the Spring Security filter chain

Actuators, Metrics and Health Indicators

• Enabling Spring Boot Actuator
• Custom Metrics
• Health Indicators
• Creating custom Health Indicators
• External monitoring systems

Spring Boot Testing Enhancements

• Spring Boot testing overview
• Integration testing and slices
• Slices to test different layers of the application