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Migrating from Java 7 to Java 9 is a three-day, hands-on fast-track course geared for developers who have prior working knowledge of earlier versions of Java.

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Last Updated

March 1, 2021

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Java 7 to Java 9 will leave this course armed with the required skills to develop maintainable code that easily scales into multi-core environments. Geared for developers currently working in Java 7 who need to migrate their skills or applications to Java 9. In this course you will learn about:

· Develop modular applications in Java

· Migrate existing Java applications to the Java 9 platform

· What functional programming means and what it brings to the table

· How Lambda expressions and functional interfaces can greatly enhance other aspects of Java

· Explore the new ‘features’ of the Collection API

· How to work with default methods and pass methods as arguments

· To work with the new Date/Time API and other new features

· To use the new Stream constructs to work with Collections and Collectors

· Utilize the tooling that is provided in Java 9 to migrate, monitor and optimize applications

· Use the new JShell tool to quickly test java constructs

· Improve implementations already using Java 8’s Stream API by utilizing the methods new in Java 9

· Understand how the implementation of th e String class has been updated to decrease the memory footprint

· Use the enhancements made to the Concurrency API, working with CompletableFuture instance of Thread pools

· Specific Java 8 features covered include: Functional programming, Anonymous functions, Lambda expressions and default methods, Streams and Collectors, New Date/Time API

· Specific Java 9 features covered include: The Java Module System (project Jigsaw); JShell, Updated try-with-resources, Performance enhancements in Java 9, Updates to Collection and Stream API

Course Curriculum

    • Introduction to Java 9 00:00:00
    • Evolving Interfaces 00:00:00
    • Lambda Expressions and Functional Interface 00:00:00
    • Java 8 Collection Updates 00:00:00
    • Streams 00:00:00
    • Collectors 00:00:00
    • Java 9 Collection and Stream Updates 00:00:00
    • Java Date/Time 00:00:00
    • Optional 00:00:00
    • Java 8 Concurrency Updates 00:00:00
    • Java 9 Concurrency Updates 00:00:00
    • New in Java 9 00:00:00
    • Milling Project Coin 00:00:00
    • Why JigSaw? 00:00:00
    • Introduction to the Module System 00:00:00
    • The Module Descriptor 00:00:00
    • Working with Modules 00:00:00
    • JShell 00:00:00
    • Other New Java 9 Features 00:00:00
    • Performance Optimizations (Optional) 00:00:00
    • Memory Management (Optional) 00:00:00

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