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Why Java 9?

The Case Study

Compiling with Java 9

Underscore as an identifier no longer valid

Encapsulate Most Internal APIs

9:07 Jigsaw screen freezes here until , but it's mostly talking anyway

Java Platform Module System

module-info.java and live coding using JPMS in an existing application

Automatic modules

Using my custom modules

A more complex module-info.java example

Disadvantages of applying JPMS to existing code

Advantages of JPMS

Reactive Streams API

Questions the answers are also covered below.

Module diagrams in IntelliJ IDEA

Convenience Factory Methods for Collections

Private Methods on Interfaces

New Methods on the Streams API

New Methods on Optional

The Stack Walking API

Process API Updates

Multi Release JAR Files

Updated Deprecation

HTML 5 Javadoc & Javadoc Search

JShell & Support in IntelliJ IDEA

Summary

Description:

Explore the practical applications and key features of Java 9 in this comprehensive 1-hour 17-minute presentation by Trisha Gee from JetBrains. Dive into live coding demonstrations showcasing the Java Platform Module System, Reactive Programming with the Flow API, improvements to the Streams API for handling infinite streams, and simplified code using Collections convenience methods. Discover additional enhancements such as interface updates, deprecation changes, and tools like JShell. Learn how to leverage these new features to improve your Java development process, from modularizing existing applications to utilizing reactive programming techniques and streamlining code with updated APIs.

Real World Java 9

JetBrains

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#Programming #Programming Languages #Java #Software Development #Text Editors #IntelliJ IDEA #Reactive Programming #JShell

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Real World Java 9

1 Why Java 9?