Mastering Spring 5.x Developer Boot Camp

Course Objectives

This course provides a solid understanding of what Spring brings to the table and how to use Spring in the context of other technologies and frameworks.  Students are taken on an in-depth tour of the basic Spring framework, initially examining concepts such as Inversion of Control and Dependency Injection, and then working with the container and basic components.  Students are introduced to Spring Boot and use Spring Boot throughout the remainder of the course.   The latter part of the class looks at implementing REST with Spring and takes a deep dive into Spring Boot to prepare students for more extended Spring Boot usage following class.

Working in an engaging hands-on programming environment, students will learn to:

• Explain the issues associated with complex frameworks such as JEE and how Spring addresses those issues
• Write applications that take advantage of the Spring container and the declarative nature of assembling simple components into applications.
• Understand how to configure the framework Spring Boot and various options within Spring Boot for detailed configuration.
• Understand and work on integrating Sprint Data into a Spring application.
• Develop REST applications using Spring 5
• Work with Spring Boot to facilitate Spring setup and configuration

Course Prerequisites

This introduction to Spring development course requires that incoming students possess intermediate-level Java programming skills and practical hands-on Java experience. This class is geared for experienced Java 8 (or higher version) developers who are new to Spring, who wish to understand how and when to use Spring in Java and JEE applications.

Course Agenda

Please note that this list of topics is based on our standard course offering, evolved from typical industry uses and trends. We will work with you to tune this course and level of coverage to target the skills you need most.

Session: Introduction to Spring

Lesson: The Spring Framework

• Understand the value of Spring
• Explore Dependency Injection (DI) and Inversion of Control (IoC)
• Introduce different ways of configuring collaborators
• Spring as an Object Factory
• Initializing the Spring IoC Container

Lesson: Configuring Spring Managed Beans

• Introduce Java-based configuration
• The @Configuration and @Bean annotations
• Define bean dependencies
• Bootstrapping Java Config
• Context Injection in Configuration classes
• Using context Profiles
• Conditionally loading beans and configurations
• Bean Life-Cycle Methods
• Lab: Spring Java Config

Lesson: Defining Bean dependencies

• Introduce Spring annotations for defining dependencies
• Explore the @Autowired annotation
• Stereotype Annotations
• Qualifying injection points
• Lifecycle annotations
• Using properties in Java based configuration
• The @Value annotation
• Using the Candidate Components Index
• Lab: Configuring Bean Dependencies using Annotations
• Lab: Creating the Candidate Component Index

Lesson: Introduction to Spring Boot

• Introduce the basics of Spring Boot
• Explain auto-configuration
• Introduce the Spring Initializr application
• Bootstrapping a Spring Boot application
• Lab: Introduction to Spring using Spring Boot

Lesson: Working with Spring Boot

• Provide an overview of Spring Boot
• Introduce starter dependencies
• Introduce auto-configuration
• @Enable... annotations
• Conditional configuration
• Spring Boot Externalized Configuration
• Bootstrapping Spring Boot
• Lab: Create REST Repository using Spring Boot

Session: Spring AOP

Lesson: Introduction to Aspect Oriented Programming

• Aspect Oriented Programming
• Cross Cutting Concerns

Lesson: Spring AOP

• Spring AOP in a Nutshell
• @AspectJ support
• Spring AOP advice types
• AspectJ pointcut designators
• Lab: Spring AOP: Adding Interceptors

Session: Spring Data (Introduction)

Lesson: Spring Data Overview

• Spring Data Capabilities and Features
• Spring Data repositories
• The Repository interfaces
• Defining the JPA entity
• Persisting entities using Spring Data JPA
• Bootstrapping the Spring Data application
• Lab: Spring Data JPA Using Spring Boot
• Lab: Spring Data JPA Using Spring Boot (Part 2)
• Lab: Spring Data JPA (Without Spring Boot)

Lesson: Spring Data Query Methods

• Querying data using Query methods
• Query builder mechanism
• Handling an Absence of Value
• Pagination and Ordering
• Asynchronous query methods
• Count and Delete Derived Query methods
• Lab: Spring Data Query Methods

Lesson: Spring Data JPA Queries

• JPA named queries
• @Query and @NamedQuery annotations
• Defining Query parameters
• Executing native queries
• SpEL expressions in queries
• Managing the Persistence Context after updates
• Lab: Spring Data JPA Queries

Session: Implementing REST with Spring

Lesson: REST principles

• Introduce the six architectural constraints of REST
• Introduce Resources and Resource representations
• Best practices for defining Resource URIs

Lesson: Introduction to RESTful Services in Spring

• Discuss the request-response cycle of REST requests
• Defining a REST Controller in Spring
• Explain the @ResponseBody annotation
• Define request mappings
• Use path variables
• Lab: Working with Spring REST

Lesson: Introduction to REST Clients in Spring

• Introduce RestTemplate class
• Making GET, POST, PUT, HEAD, OPTIONS and DELETE requests
• Introduce the UriTemplate class
• Using HttpEntity and RequestEntity
• Use the exchange method to define ‘complex’ requests
• Process requests and responses using callback
• Configure the RestTemplate
• Lab: Implementing the Spring REST Client

Lesson: Bootstrapping the REST application

• Describe steps needed to bootstrap Spring REST application
• Configure Content Representation libraries
• Configure Spring MVC and map the Dispatcher Servlet
• Explain the advantages of using Spring Boot to setup the REST project
• Setup a Spring REST application using Spring Boot
• Lab: Spring Hotel Reservation
• Lab: Spring Hotel Reservation Client

Lesson: Content Representation

• Returning different media types from service
• Introduce negotiated resource representation
• Configure Message Converters
• Lab: Spring REST Content Negotiation

Lesson: Implementing the REST Service

• Process for Spring REST Implementation
• The Domain object
• Using Project Lombok to define the domain object
• (Not) Using Data Transfer Objects
• ResponseEntity builder interfaces
• Setting Location header using UriComponentsBuilder
• Lab: Spring REST Services

Session: Spring Boot 2

Lesson: Spring Boot Actuator

• Understand Spring Boot Actuators
• Work with predefined Actuator endpoints
• Enabling Actuator endpoints
• Securing the Actuator
• Lab: The Spring Actuator
• Lab: Securing the Spring Actuator

Lesson: Developing in Spring Boot

• Introduce Spring Boot Devtools
• Enable the ConditionEvaluationReport
• Debugging Spring Boot applications
• Lab: Discover the Spring DevTools

Additional Topics: Time Permitting

Lesson: Thymeleaf

• Provide a quick overview of Thymeleaf
• Introduce Thymeleaf templates
• Create and run a Spring Thymeleaf MVC application
• Lab: Add front-end to REST Repository