HARTMANN software group

Introduction to Spring 5 (2022) Training in Palmdale

Enroll in or hire us to teach our Introduction to Spring 5 (2022) class in Palmdale, California by calling us @303.377.6176. Like all HSG classes, Introduction to Spring 5 (2022) may be offered either onsite or via instructor led virtual training. Consider looking at our public training schedule to see if it is scheduled: Public Training Classes
Provided there are enough attendees, Introduction to Spring 5 (2022) may be taught at one of our local training facilities.
We offer private customized training for groups of 3 or more attendees.
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Course Description

  
Spring 5 provides an evolutionary advance of Spring’s powerful capabilities. This course introduces these capabilities, as well as providing guidelines on when and how to use them. It includes coverage of the three main configuration styles: Java-based (@Configuration), annotation-based (@Component), and the traditional XML-based configuration that may still play an important role in existing and new projects. 
 
This course has been completely revised to utilize Spring Boot's easy configuration and auto-configuration wherever possible. "Classic" Spring configuration (usually more verbose and complicated) is optionally covered in abbreviated form.
 
The course starts with in-depth coverage of Spring’s Core module to reduce coupling and increase the flexibility, ease of maintenance, and testing of your applications. It goes on to cover many of the most important capabilities of Spring, including easing configuration with Spring Boot, integrating Hibernate and JPA persistence layers with Spring and Spring Data, and using Spring’s declarative transaction capabilities.
 
This course is hands on with labs to reinforce all the important concepts. It will enable you to build working Spring applications and give you an understanding of the important concepts and technology in a very short time.
Course Length: 3 Days
Course Tuition: $990 (US)

Prerequisites
Working knowledge of Java programming, including use of inheritance, interfaces, and exceptions

Course Outline

  
  • - Session 1:  Introduction to Spring
    • Overview of Spring Technology
      • Motivation for Spring, Spring Architecture
      • The Spring Framework
      • maven and Spring
    • Spring Introduction
      • Declaring and Managing Beans
      • ApplicationContexts - The Spring Container
      • XML and @Component/@Named Config
    • Dependencies and Dependency Injection (DI)
      • Examining Dependencies
      • Dependency Inversion / Dependency Injection (DI)
      • DI in Spring - XML and @Autowired
    • Spring Boot Quickstart
  • - Session 2:  Configuration in Depth
    • Java Based Configuration (@Configuration)
      • Overview, @Configuration, @Bean
      • Dependency Injection
      • Resolving Dependencies
    • Integrating Configuration Types
      • XML and @Component Pros/Cons
      • @Configuration Pros/Cons
      • Choosing a Configuration Style
      • Integrating with @Import and <import>
    • Bean Scope and Lifecycle
      • Singleton, Prototype, and Other Scopes
      • Configuring Scope
      • Bean Lifecycle / Callbacks
  • - Session 3:  Spring Boot Overview
    • Spring Boot Overview
    • Spring POMs with Boot Parents
    • Spring Boot Starters
    • SpringApplication – Apps With main()
    • CommandLineRunner and ApplicationRunner
    • Working with Properties
      • Boot Property Files
      • Using Application Properties
      • Customizing Behavior with Boot Properties
  • - Session 4:  Spring Testing
    • Testing and JUnit 5 Overview
      • Writing Tests - Test Classes, asserts, Naming Conventions
      • Running Tests - IDE, maven, ...
      • Test Fixtures - setup and teardown
    • Spring TestContext Framework
      • Overview
      • Configuration
      • Running Tests
  • - Session 5:  Database Access with Spring/Boot
    • Overview of Spring/Boot database support
      • DataSources, Boot Auto-Configuration, and Custom Configuration
      • Boot - Embedded Database
    • Using Spring/Boot with JPA
      • Spring Boot Auto-Configuration and Scanning
      • Customizing the Configuration
      • Creating a JPA Repository/DAO Bean - @PersistenceUnit, @PersistenceContext
    • Spring Data Overview
      • Overview and Architecture
      • Configuring Spring Data
      • Repositories and JPA Repositories
      • Using CrudRepository
    • Using Spring Data
      • Naming Conventions for Querying
      • Creating more Complex Queries
      • Query Configuration
    • [Optional] Configuration Without Boot
      • Managing the EntityManager (EM)
      • LocalContainerEntityManagerFactoryBean and Container-managed EMs
      • JEE and JNDI Lookup of the EM
      • Configuration and Vendor Adaptors
  • - Session 6:  Spring Transaction (TX) Management
    • Overview
    • Declarative TX Management (REQUIRED, etc.)
    • TX Scope and Propagation
    • Configuration and Boot Auto-Configuration
    • Pointcut-based Configuration of Transactions
  • - Session 7:  Boot Configuration and Customization
    • Logging and its Configuration
    • Profiles
    • Other Configuration
  • - Session 8:  Additional Spring/Boot Features
    • Updates to Spring Core
    • WebFlux / Reactive Web Framework

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Java Programming Uses & Stats

Java Programming is Used For:
Android & IOS Development Software Products Video Games Desktop GUI's
Difficulty
Popularity
Year Created
1995
Pros

Most Commonly Used: 
According to Oracle, three billion devices run on Java.  And, because of its real-world applications, it consistently ranks at the top of the TIOBE Programming Community Index. 

Great Career Choice: 
Some of the fastest-growing salaries in the U.S. in 2018 are for Java developers.  (Glassdoor)  

Android Apps Development:
Developers predominatly use their Java skills in building apps for Google's Android. The Android platform is the number one mobile paltform in the world

It Can Run On Any Platform:
Java can compile on Windows and run the same compiled file on Linux, Windows and Mac.

Great Supporting IDE's:
Over the years, coding in Java has become simpler with the introduction of open source development tools, i.e. Eclipse and NetBeans that use Java capabilities for debugging.  
 
Cons

Uses a Lot of Memory:
Performance can be significantly slower with Java and more memory-consuming than natively compiled languages such as C or C++.

Difficulty in Learning: 
Learning Java can be a bit challenging if you are a beginner.  However, once you get the hang of Object Oriented Programming and a decent grasp of the syntax, you will be well on your way.

Slow Start Up Times:
There is quite a bit of one-time initialization done by JDK classes before compiling as well as loading classes and verification (making sure code doesn't do evil things, all of which takes longer that some other languages such as C. 

Verbose and Complex Code:
Long, over-complicated sentences make code less readable and scannable. Compare to let's say Python, we can see how clear Python code appears: It doesn’t require semicolons; uses “and,” “or,” and “not” as operators instead of Java’s “&&,” “||,” and “!”; and generally has fewer bells and whistles such as parentheses or curly braces.

Commercial License Cost:
Companies have to prepare for the changes that Oracle will institute in 2019 . Today, the current version of Java is free and available for redistribution for general purpose computing. However, If you are a DEVELOPER, Oracle recommends you review the roadmap information for Java SE 8 and beyond and take appropriate action depending on the type of application you develop and your distribution mode.
Java Programming Job Market
Average Salary
$102,000
Job Count
26,856
Top Job Locations

New York City 
San Jose
Washington D.C, 
Complimentary Skills to have along with Java Programming

- If you are an experienced Java developer, learning a complimentary language to Java should come much more naturally.  As an example JetBrains recently created the Kotlin programming language which is officially supported by Google for mobile development.  Kotlin compiles to Java bytecode and runs on the JVM; it's purported to address many of Java's shortcomings...

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