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Image with slug build-modules
Java Modules Cheat Sheet#post#j_ms #java‑9 #java‑11
A cheat sheet for building and running Java modules from the command line with javac, jar, and java
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How To Use Multi-release JARs To Target Multiple Java Versions#post#tools #java‑9
Multi-release JARs allow you to create a single JAR that contains bytecode for several Java versions with jar --version 9 (or 10, or...). Presented with a multi-release JAR, JVMs version 9 and later will load the code that was included for their version.
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Code-First Java 9 Tutorial#post#java‑9 #migration #streams #optional #collections #j_ms
Showing code for the most important Java 9 features: private interface methods, stream and optional APIs, collection factories, reactive streams, stack walking, multi-release JARs, redirected platform logging, unified logging, the module system, and more. If you're new to Java 9, start here.
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Maven on Java 9 and later - Six Things You Need To Know#post#java‑9 #tools
How to use the compiler executable, toolchains, and mavenrc to run Maven on Java 9 and how to use mvn/jvm.config and profiles to configure your build.
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Making JSR 305 Work On Java 9#post#java‑9 #j_ms #migration
Using annotations from JSR-305 (@Nonnull, @Nullable) and javax.annotation (@Generated, @PostConstruct) on Java 9 causes a split package. Here's the fix.
Image with slug java-module-system-tutorial
Code-First Java Module System Tutorial#post#java‑9 #java‑basics #j_ms
Tutorial of Java 9 module system basics: declare modules with module-info.java, compile, package, launch them, learn of module path and readability graph.
Image with slug java-unified-logging-xlog
Unified Logging Of JVM Messages With The -Xlog Option#post#java‑9 #java‑basics
Java 9 introduces unified logging, a central mechanism configurable with -Xlog to observe class loading, threading, garbage collector, module system, etc.
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Welcome, Java 9!#video#community #java‑9
Java 9 is out today and with other members of the community I'm throwing a welcome party. Get an all around view on the new Java release with various opinions, tips, and great sources!
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Five Command Line Options To Hack The Java Module System#post#java‑9 #j_ms
Get your code running on the Java 9 Module System with the command line options --add-exports, --add-opens, --add-modules, --add-reads, and --patch-module.
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Planning Your Java 9 Update#post#java‑9 #jdeps #migration
A Java 9 update is not always trivial; quite the opposite, migrating to Java 9 can be challenging. Here's how to gather and categorize problems.
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To JAR Hell And Back#talk#java‑9 #java‑11 #j_ms #migration
A live-coding talk where we take a typical Java 8 code base and update it to Java 9 and beyond, overcoming some common and some less common hurdles like dependencies on internal APIs and split packages
Image with slug java-9-migration-guide
Java 9 Migration Guide: The Seven Most Common Challenges#post#java‑9 #j_ms #migration
Solutions to the seven most common challenges for a Java 9 migration. Each of them explained with background, symptoms, and fixes.
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Java 9 Resources - Talks, Articles, Repos, Blogs, Books And Courses#post#java‑9
Java 9 draws and the number of posts and talks about it skyrocketed in the recent months. Here's a list of recommended talks and articles but also further resources where new, high-quality content will pop up.
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Optional Dependencies with requires static#post#java‑9 #j_ms
The Java Platform Module System allows optional dependencies with requires static. They are accessible at compile but can be absent at run time.
Image with slug java-modules-reflection-vs-encapsulation
Reflection vs Encapsulation#post#java‑9 #j_ms #project‑jigsaw #reflection
Reflection wants to break into all code; encapsulation wants to give modules a safe space. How can this stand off be resolved?
Image with slug spjcn-whats-taking-long
SPJCN II: What's Taking So Long?#post#java‑9 #project‑jigsaw
In the second issue of SitePoint’s Java Channel Newsletter (from September 23rd 2016) I wonder why Java 9 takes so long.
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The Ultimate Guide To Java 9#post#java‑next #java‑9
Java 9 is coming! Besides Jigsaw it brings new language features and many new and improved APIs. Check out the ultimate guide.
Image with slug java-9-stream-iterate
Oh No, I Forgot Stream::iterate!#post#java‑9 #streams
In Java 9 Stream gets a couple of new methods - one of them is an overload of iterate that takes a predicate and returns a finite stream.
Image with slug java-9-optional
Java 9 Additions To Optional#post#java‑9 #optional
Java 9 is coming! One of the changes are new methods on Optional: stream(), or(), and ifPresentOrElse(), which considerably improve Optional's API.
Image with slug java-9-stream
Java 9 Additions To Stream#post#java‑9 #streams
Java 9 is coming! One of the many changes are new Stream methods: takeWhile, dropWhile, and ofNullable. For more fun with streams!
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Implied Readability With requires transitive#post#java‑9 #j_ms
In Java 9 a module must read another to use its API. With implied readability a 3rd module passes the dependency on, allowing the 1st to read the 2nd.
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JDeps Maven Plugin 0.2 Released#post#java‑9 #jdeps #tools #project‑jigsaw
With v0.2 the JDeps Maven Plugin allows the creation of flexible exceptions from build-breaking for a self-paced preparation for Java 9 and Project Jigsaw.
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Six-Month Delay Of Java 9 Release#post#java‑next #java‑9 #project‑jigsaw
Mark Reinhold proposed a six-month delay of JSR 376 / Project Jigsaw and thus of the Java 9 release. According to this JDK 9 would come out in March 2017.
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JavaOne 2015: Under The Hood Of Project Jigsaw#post#java‑next #impulse #java‑9 #community #project‑jigsaw
JavaOne 2015 saw a series of talks by the Project Jigsaw team about modularity in Java 9. This one gives a peek under the hood discussing layers and class loaders.
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JavaOne 2015: Advanced Modular Development#post#java‑next #impulse #java‑9 #community #project‑jigsaw
JavaOne 2015 saw a series of talks by the Project Jigsaw team about modularity in Java 9. This one details different migration scenarios.
Image with slug javaone-2015-introduction-to-modular-development
JavaOne 2015: Introduction to Modular Development#post#java‑next #impulse #java‑9 #community #project‑jigsaw
JavaOne 2015 saw a series of talks by the Project Jigsaw team about modularity in Java 9. This one introduces the basic concepts.
Image with slug javaone-2015-prepare-for-jdk-9
JavaOne 2015: Prepare For JDK 9#post#java‑next #impulse #java‑9 #community #project‑jigsaw
JavaOne 2015 saw a series of talks by the Project Jigsaw team about modularity in Java 9. This one explains how to prepare for it.
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Will There Be Module Hell?#post#java‑next #java‑9 #project‑jigsaw
Java 9's Project Jigsaw promises to solve JAR hell but falls short when it comes to conflicting versions. Will there be module hell instead?
Image with slug project-jigsaw-on-infoq
All About Project Jigsaw On InfoQ#post#java‑next #java‑9 #project‑jigsaw
My posts about Project Jigsaw got polished and published on InfoQ.
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The Features Project Jigsaw Brings To Java 9#post#java‑next #java‑9 #project‑jigsaw
A detailed presentation of the features Project Jigsaw brings to Java 9: modularization, encapsulation, configuration, performance, and more.
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Motivation And Goals Of Project Jigsaw#post#java‑next #java‑9 #project‑jigsaw
A look at how Project Jigsaw (coming in Java 9) aims to solve JAR/classpath hell and at its goals to improve security, maintainability and performance.
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JavaFX, Project Jigsaw and JEP 253#post#java‑next #java‑9 #javafx #project‑jigsaw #patterns
JEP253 aims to prepare JavaFX for Project Jigsaw by defining public APIs for functionality that will become inaccessible due to modularization.
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First Release of JDeps Maven Plugin#post#java‑9 #jdeps #tools #project‑jigsaw
The JDeps Maven Plugin will break a project's build if it contains dependencies on JDK-internal APIs. This helps to prepare for Java 9.
Image with slug how-java-9-and-project-jigsaw-may-break-your-code
How Java 9 And Project Jigsaw May Break Your Code#post#java‑next #java‑9 #project‑jigsaw #deprecation #migration
With Java 9 comes Project Jigsaw - a modularization of the JDK - which will break existing code. An overview over the planned changes lets you see whether yours is affected.