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Java SE: Exploiting Modularity and Other New Features (D99947GC10)


Szkolenie autoryzowane Oracle

Format prowadzenia szkolenia

ILT - szkolenie klasyczne, w sali szkoleniowej, z trenerem

Kod szkolenia


Dla kogo

Czas trwania

2 dni

Cena bazowa

PLN 3130


  • Identify deprecated APIs and possible alternatives
  • Swap sub-optimal or tedious coding with convenience methods
  • Create a modular Java application
  • Run applications that combine modularized libraries and non-modularized libraries
  • Create a custom runtime image
  • Build Multi-release JAR files
  • Design interfaces which implement methods
  • Process stream data using new convenience methods
  • Leverage JShell for fast code experiments
  • Identify and apply new methods to more conveniently work with collections and arrays
  • Identify and address common requirements in migrating older applications to modularity


Java SE: Exploiting Modularity and Other New Features introduces the Java module system and other new features, including JShell, convenience methods, new techniques for working with streams, and managing deprecated APIs. These features were introduced in versions after Java 8, and therefore new to developers migrating to Java 11. bLearn To:/pliDesign applications to take advantage of the module system and its more reliable configuration, improved security and performance, and more easily scalable applications.igrate existing applications to a modular applications in a step-by-step manner, choosing which parts of the application to migrate first.eal with common problems encountered in migrating an application, including, cyclic dependencies and split services to make modularized applications more robust and easily extensible.reate multi-release JAR files that can be run on different Java convenience methods to reduce code that seems verbose, inefficient or boilerplate, and increase JShell to quickly run small code experiments and test new APIs./ulb Benefits To You/py enrolling in this course, you'll learn how to use the module system to design applications with explicit dependencies and encapsulation at the JAR level, ensuring more reliable configuration, improved security and enhanced performance. You'll also get a chance to experiment with new features that ease development. These include convenience methods that make your code more readable and succinct, and JShell, an easy way to test code snippets and APIs.


  1. Why Modules
    • Module System
    • Levels of a Typical Application
    • How Does Java SE 8 Address Maintainability and Reliability
    • Classes, Subclasses, Interfaces
    • Class Level Unit of Reuse (Java SE 8)
    • Packages
    • JARs
    • JAR Files and Distribution Issues
  2. Working with the Module System
    • Projects Before Modularization
    • Introduction
    • Creating a Truly Modular Project
    • Compiling Modular JAR Files
    • Accessibility Between Classes
    • Readability Between Modules
    • What Is Readable from the competition Module
    • The Effects of Exporting
  3. Modular JDK
    • Modular Development in JDK 9
    • The JDK
    • The Modular JDK
    • Modules in JDK 9
    • Java SE Modules
    • The Module Graph of Java SE
    • The Base Module
    • Finding the Right Platform Module
  4. Creating Custom Runtime Images
    • What Is a Custom Runtime Image
    • Link Time
    • Using jlink to Create a Custom Runtime Image
    • Modules Resolved in a Custom Runtime Image
    • Advantages of a Custom Runtime Image
    • JIMAGE Format
    • Footprint of a Custom Runtime Image
    • jlink Resolves Transitive Dependencies
  5. Migration
    • Typical Application
    • The League Application
    • Run the Application
    • The Unnamed Module
    • Top-Down Migration
    • Dependencies
    • Check Dependencies
    • Typical Application Modularized
  6. Services
    • Module Dependencies
    • Service Relationships
    • Expressing Service Relationships
    • Using the Service Type in competition
    • Choosing a Provider Class
    • Module Dependencies and Services
    • Designing a Service Type
    • TeamGameManager Application with Additional Services
  7. Multi-release JAR files
    • Packaging an Application for Different JDKs
    • Packaging an Application for Different JDK Versions
    • The Solution: A Multi-Release JAR file
    • What Is a Multi-Release JAR File
    • Structure of a JAR File
    • Structure of a Multi-Release JAR File
    • Search Process in an MRJAR
    • Creating a Multi-Release JAR File
  8. Private Interface Methods
    • Private Methods in Interfaces
    • Java SE 7 Interfaces
    • Implementing Java SE 7 Interface Methods
    • Implementing Methods in Interfaces
    • What About the Problems of Multiple Inheritance
    • Inheritance Rules of default Methods
    • Interfaces Don't Replace Abstract Classes
  9. Enhancements to the Stream API
    • One More Benefit of Default Methods
    • Changing a Java Interface
    • Why Enhance the Stream API
    • An Ordered List
    • takeWhile Provides a Solution
    • The Effects and Benefits of takeWhile
    • An Unordered List
    • filter vs takeWhile
  10. JShell
    • Has This Happened to You
    • A Million Test Classes and Main Methods
    • JShell Provides a Solution
    • Comparing Normal Execution with REPL
    • Getting Started with JShell and REPL
    • Scratch Variables
    • Declaring Traditional Variables
    • Code Snippets
  11. Convenience Methods for Collections
    • What Are Convenience Methods
    • Many Convenience Methods in Java SE 9
    • Key Collections Interfaces
    • Overloading the of Convenience Method
    • Why Overload the of Method
    • Growing a Collection
    • ofEntries Method for Maps
    • Immutability
  12. Convenience Methods for Arrays
    • Arrays
    • Modeling DNA Strands
    • Working with DNA Strands
    • Working with DNA Strands by Using a for Loop
    • Convenience Methods in the Arrays Class
    • Equating DNA Strands
    • DNA Subsequences
    • Equating Subsequences of DNA
  13. Enhanced Deprecations for APIs
    • What Is Deprecation
    • What Is Enhanced Deprecation
    • How Do You Deprecate an API
    • Using @deprecated
    • Enhancements to the @Deprecated Annotation in JDK 9
    • Using the @Deprecated Annotation
    • Notifications and Warnings
    • Compiler Deprecation Warnings


    • Familiarity with NetBeans or similar IDE
    • Develop applications using the Java programming languages
    • Familiarity with Object-oriented programming concepts
    • Ability to use object-oriented programming techniques
    • Familiarity with Java Collections and Enumerators
    • Ability to use classes commonly found in Java programs
    • Familiarity with JDK 8 features
    • Administer operating systems from the command line

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