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Java Modules and New Features (Java 11+)

Price
1,170 USD
2 Days
EJCJ-605
Classroom Training, Online Training
Oracle

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  • Date: 15-Jul-2024 to 16-Jul-2024
    Time: 9AM - 5PM US Eastern
    Location: Virtual
    Language: English
    Delivered by: LearnQuest
    Price: 1,170 USD
  • Date: 9-Sep-2024 to 10-Sep-2024
    Time: 9AM - 5PM US Eastern
    Location: Virtual
    Language: English
    Delivered by: LearnQuest
    Price: 1,170 USD
  • Date: 4-Nov-2024 to 5-Nov-2024
    Time: 9AM - 5PM US Eastern
    Location: Virtual
    Language: English
    Delivered by: LearnQuest
    Price: 1,170 USD
  • Date: 30-Dec-2024 to 31-Dec-2024
    Time: 9AM - 5PM US Eastern
    Location: Virtual
    Language: English
    Delivered by: LearnQuest
    Price: 1,170 USD
  • Date: 24-Feb-2025 to 25-Feb-2025
    Time: 9AM - 5PM US Eastern
    Location: Virtual
    Language: English
    Delivered by: LearnQuest
    Price: 1,170 USD
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Course Description

Overview

This course provides in-depth coverage of the important new features through Java 11 LTS. It also provides an overview of useful new features in Java 12+ that are likely to appear in Java 17 (the next LTS release). Technical coverage starts with the new Java Platform Module System (JPMS), which presents a fundamental shift in how applications are organized, and interconnected to the libraries they use. We introduce modules from the ground up, show how to use them, describe your choices in usage, as well as caveats and pitfalls. We also provide guidelines for migration from non-modular applications. This course is very hands-on, including numerous code examples and programming labs that reinforce the concepts presented, so that attendees can immediately employ what they’ve learned in their current projects.
 

Objectives


 

Audience

Proficient Java programmers who need to learn the important new features through Java 11 LTS.
 

Prerequisites

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

Topics

Java Modules and New Features (Java 11+)
  • Agenda
  • Conventions
Preface: Java State of the Union
  • Java Release Cycle
  • and Support - Illustrated
  • Update Schedule - By Example
  • Modules and JDK Version Numbers
  • In
  • In
  • Out
  • Out
  • Out
  • - for Removal
  • to Move to Java Modules?
  • in Java 9+
  • 0.0: Getting Started
Session 1: Introduction to Modules
  • Objectives
Motivation and Overview
  • before Java Modules
  • Natural Progression of Organization
  • Encapsulation
  • Encapsulation - Not in Java 8
  • Use Only - Case Study
  • Model vs. Runtime Model
  • Model vs. Runtime Model
  • Hell
  • of the Module Paradigm
  • Graphs
  • Java Modules
  • Encapsulation - Realized in Java 9
  • Name vs. Package Name
  • and Director Structure
  • Projects and the Module Path
  • Can Be Controversial
  • 1.1: First Module Project
Types of Modules
  • of Modules - Defined
  • Modules
  • Modules
  • Modules
  • Modules - Why?
  • Module
  • Module - Why?
Modular JDK
  • KDL - Different, Yet Compatible
  • SE vs. JDK - Not the Same!
  • Modules - java.base and java.se
  • of the Modular JDK
Our Approach
  • Work
  • Study
  • 1.2: Simple Migration
Session 2: Working With Modules
  • Objectives
Defining and Using Modules
  • Applications
  • 2.1: Modular Application
  • Graphs
  • Module and Module Graph
  • Graph in a Real library - Derby JDBC
  • Graph in the Java Platform - java.se
  • Dependencies
  • Modules
  • Exports
  • up Deep Reflection
  • Encapsulation - Summary
Services
  • Overview
  • - UML Diagram
  • before Modules
  • with Modules
  • Class - Example
  • Interface - Example
  • Provider - Example
  • - Example
  • 2.2: Services
Compatibility and Migration
  • / Gradual Adoption
  • with Private (Deep) Reflection
  • Issues
  • and Unnamed Modules - Revisited
  • Migration Path
  • Migration Path - Illustrated
  • Packages
  • I Just Ditch the Classpath?
  • Line Directives
  • 2.3: Migration
Conclusion
  • - It's Not Conclusive!
  • Support
  • Tools and Dependencies
  • about Module Versions?
  • Support
  • and Testing
  • Java EE
  • Module or Not to Module?
  • Module or Not to Module?
  • is slow - Mid 2019 Stats
  • Resources
  • 2.4: Multi-Module Maven Project [Optional]
Session 3: Type Inference
  • Objectives
Local-Variable Type Inference
  • Comes to Java
  • var in for-each Loops
  • Continuation of Type Inference in Java
  • Local-Variable Type Inference
Overview of Lambda Expressions
  • Interface - Defined
  • a Method Down to is Essence
  • Expression as Functional Interface
  • Interfaces and Lambdas
  • Occur in a Target Context
  • in JUnit - Executable
  • in Collections - Consumer<T>
  • Expression Syntax - Overview
  • Compatibility
  • Expression Syntax - Details
  • Expression Syntax - Details
Local-Variable Syntax for Lambdas
  • Syntax for Lambdas
  • var with Lambdas
  • 3.1: Using var [Optional]
Session 4: JShell
  • Objectives
Introduction to JShell
  • Comes to Java
  • Operations and Commands
  • Learning
  • Started with JShell
Working with Code
  • Points
  • Snippets
  • Work with Snippets - Date/Time API
  • the Stream API On-the-Fly
  • Commands
  • Methods
  • Code
  • an External Editor
  • for Creating New Code
  • As You Go
  • Modes
Using Libraries
  • External Classes
  • External Classes
  • with JavaTunes Modules
  • up for JavaTunes Work
Session 5: HTTP Client
  • Objectives
Overview
  • Clients in Java - Existing Options
  • RESTful Services
  • Java HTTP Client
  • HTTP Client - Features
Using HTTP Client
  • Main Players
  • Simple Example
  • Tips - Builders and Products
  • Tips - Nested Classes
  • Tips - Interfaces and Factory Classes
  • the Client
  • the Request
  • a Request Body
  • Request / Response
  • the Response
  • 5.1A: HTTP Client
  • Options for the Response Data
  • the Response - Example
  • Requests
  • with Asynchronous Responses
  • with Asynchronous Responses
  • 5.1B: HTTP Client
  • 5.2: REST Client Demo [Optional]
Session 6: Other New Features
  • Objectives
Collection Factory Methods
  • Factory Methods
  • and Set.of()
  • Entirely New
  • Just Convenient - More Efficient
Multi-Release JARs
  • to Support Multiple Releases of Java
  • JARs - MR-JARs
  • - Illustrated
  • Layout - Simplest
  • an MR-JAR
  • API Principle
  • Strategies
  • Tools Support for MR-JARs
  • with Caution
  • 6.1: MR-JAR Demo [Optional]
Reactive Programming
  • Programming Overview
  • (Pull) - Synchronous
  • (Push) - Asynchronous
  • Programming - Observer Plus
  • Streams - Overview
  • API - Main Players
  • of the Flow API
Miscellaneous
  • Methods in Interfaces
  • API Enhancements
  • Methods in the Platform API
  • Methods in the Platform API
  • Expressions (Java 12-14+)
  • Expression Detail
  • Number Formatting
  • Collection (GC)
  • Garbage Collection (ZGC)
  • Comparison G1 and ZGC
Session 7: Custom Runtime Images
  • Objectives
  • Runtimes
  • Runtime Images with jlink
  • 7.1: Custom Runtime Images [Optional]
Recap
  • of What We've Done
  • of What We've Done
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