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Overview

This course enables the experienced Java developer to use the Spring application framework to manage objects in a lightweight "IoC" (inversion-of-control) container. Spring is a far-reaching framework that aims to facilitate all sorts of Java development, including every level of multi-tier distributed systems. Here we focus on the "Core" module of the framework, developing facility in instantiating, configuring, and assembling Spring beans for various purposes.

Goals
  1. Understand the scope, purpose, and architecture of Spring.
  2. Use Spring application contexts to declare application components, rather than hard-coding their states and lifecycles.
  3. Use dependency injection to further control object relationships from outside the Java code base.
  4. Use annotations to take advantage of Spring post-processors for automated bean instantiation and wiring.
  5. Configure systems of Spring beans using either Java or XML.
Outline
  1. Overview of Spring
    1. Java EE: The Good, The Bad, and the Ugly
    2. Enter the Framework
    3. Spring Value Proposition
    4. The Spring Container
    5. Web Applications
    6. Persistence Support
    7. Aspect-Oriented Programming
    8. The Java EE Module(s)
  2. The Container
    1. JavaBeans, Reconsidered
    2. The Factory Pattern
    3. Inversion of Control
    4. XML View: Declaring Beans
    5. Java View: Using Beans
    6. Singletons and Prototypes
  3. Instantiation and Configuration
    1. Configuring Through Properties
    2. Configuration Namespaces
    3. The p: Notation
    4. Bean (Configuration) Inheritance
    5. Configuring Through Constructors
    6. Bean Post-Processors
    7. Lifecycle Hooks
    8. Integrating Existing Factory Code
    9. Awareness Interfaces
  4. Dependency Injection
    1. Assembling Object Graphs
    2. Dependency Injection
    3. Single and Multiple Relationships
    4. The Utility Schema
    5. Using Spring Expression Language (SpEL)
    6. Inner Beans
    7. Autowiring
    8. @Component, @Service, & Company
    9. @Autowired Properties
    10. Best Practices with Spring Annotations
    11. Java Classes as @Configurations
    12. AnnotationConfigApplicationContext
    13. Capabilities and Limitations
    14. Mixing and Importing XML and Java Configurations
  5. Assembling Object Models
    1. Collections and Maps
    2. Support for Generics
    3. The Spring Utility Schema (util:)
    4. Autowiring to Multiple Beans
    5. Order of Instantiation
    6. Bean Factory vs. Application Context
Class Materials

Each student in our Live Online and our Onsite classes receives a comprehensive set of materials, including course notes and all the class examples.

Class Prerequisites

Experience in the following is required for this Spring class:

  • Java programming
  • Basic knowledge of XML
Preparing for Class

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