Wednesday Apr 27, 2016

Java SE Webinar Replay

Learn how improvements to the Java platform, APIs and the Java language will help you develop innovative applications using parallel programming, integration with other languages and tools, and APIs that will substantially boost your productivity. Watch three webinar sessions from the April edition of Virtual Technology Summit

Java on Mobile: Johan Vos shows how easy it is to create a highly-polished Material Design Java application, and to deploy it on an Android device and an iOS device with exactly the same code used in both deployments.

Asynchronous programming in Java 8: Jose Paumard explains how the patterns introduced by this interface and its implementing class are new to the Java platform, and how they fill the gap in the old Future patterns.

Java SE 8 for Java EE Developers: David Delabassee presents powerful Java 8 APIs such as Lambda expressions, a new Date and Time API, the Streams API, Completable Futures, Nashorn, Repeatable Annotations, String joiners, etc.

Tuesday Apr 26, 2016

2016 JavaOne Registration Now Open

The JavaOne conference brings together Java experts and enthusiasts for an exceptional week of learning and networking focused entirely on all things Java. With hundreds of sessions, you will learn from the most innovative and diverse Java content. You can't afford to miss it!

September 18 - 22, 2016, San Francisco. Register now!

With a full conference pass, you get:
 • Access to more than 500 JavaOne sessions, Birds-of-a-Feather (BOF) sessions and JavaOne Hands-on Labs (HOLs)
 • Keynote sessions for JavaOne and Oracle OpenWorld
 • Java User Group Forum
 • Exhibition Halls at JavaOne
 • Access to the Java Hub 
 • Oracle Appreciation Event

Important ways to save:
 • The call for proposals is open until May 9. If your session is accepted, you will receive a full pass
 • You will save $600 with the Super Saver rate, if you register before May 1
 • Employees of a national/federal, state, provincial, or local government entity, including public higher education institutions can benefit from government rate.

Thursday Apr 21, 2016

JavaFX Applications Across Devises

Using the new Gluon Mobile framework and some hardware from Adafruit, Gerrit Grunwald describes how to create a mobile/desktop application that can be used to control a mood light that can be turned on and off, set to a particular color, or set to a color cycling mode. His goal in the article "In the Mood: Build Your Own Mood Light and Control It with Java" is to show how easy it is to create a mobile app based on JavaFX.

The Gluon Mobile framework provides methods for achieving platform-dependent settings, which is critical when building an app for different platforms--such as mobile, embedded, and desktop devices--because the UI design is often totally different on different platforms. And, if you are building an Android app, Grundwald points out another advantage of the Gluon Mobile framework: even though Android is not capable of running Java 8, you can use Java 8 in your source code because Gluon Mobile uses retrolambda, which makes it possible to use Java 8 features (except streams) on Java 7.

Grundwald's mood light can be hooked up to the internet and controlled remotely from different devices, such as a mobile phone and a desktop computer. And, if you don't think you need a mood light, he points out another use: you can use it as a build-server status light or for other purposes.

To see how using JavaFX on mobile devices can be a real alternative to native applications--not for all use cases, but at least for some--read the article.

Tuesday Apr 19, 2016

New Release JDK 8u91 and JDK 8u92

JDK 8u91 and 8u92, two new Java 8 updates are now available. Oracle strongly recommends that most Java SE users upgrade to the latest Java 8u91 CPU release, which includes important security fixes. Java SE 8u92 is a patch-set update, including all of Java 8u91 plus additional features. You can download the latest JDK releases from Java SE Downloads page. 

For information on new features and bug fixes included in these releases, see the following release notes: 

JDK 8u92 Release Notes

Check out Java CPU and PSU Releases Explained for more details  

Wednesday Mar 30, 2016

Last Interactive Online Java Webinar with Q&A

The Virtual Technology Summit (VTS) delivers interactive Java technical content from Java Champions and Oracle experts to your desk.  

The interactive, online event, is sponsored by the Oracle Technology Network (OTN). The April 5 event is the last one in this VTS series. It features six Java technical sessions about Java EE, cloud, and Java SE API. Register now

The Java Track includes three code-heavy sessions:

Java on Mobile: Thanks to innovations in mobile JVM's and the availability of JavaFX on iOS and Android, it is now possible to write applications once (in Java) and deploy them on the major mobile platforms. In this session, we will show how easy it is to create a highly-polished Material Design Java application, and to deploy it on an Android device and an iOS device with exactly the same code used in both deployments.

Asynchronous programming in Java 8: how to use CompletableFuture: This presentation aims to explain how the patterns introduced by this interface and its implementing class are new to the Java platform, and how they fill the gap in the old Future patterns.The different models are precisely presented: how to create complex asynchronous processing pipelines, how to deal with exceptions, how to test complex code. 

Down-to-Earth Microservices with Java EE: the session explores microservices using a simple but representative example using Java EE. You'll see how the Java EE programming model and APIs like JAX-RS, WebSocket, JSON-P, Bean Validation, CDI, JPA, EJB 3, JMS 2 and JTA aligns with the concept of microservices.

Java SE 8 for Java EE Developers: Java SE 8 brings a bounty of improvements. In this session, you will learn about Lambda expressions, a new Date and Time API, the Streams API, Completable Futures, Nashorn, Repeatable Annotations, String joiners, etc.

Thinking Beyond ORM in JPA:  This session discusses native-query support in JPA along with stored procedures and result set mappings in JPA 2.1. The presented code samples illustrate the details of the API, highlighting their strengths and weaknesses. Our analysis reveals applicable use cases and most popular approaches. The summary provides guidelines on how and when to utilize native queries.

Visualizing Data in the Cloud with Oracle JET: Oracle JET is a free and open source toolkit, providing a solid basis for enterprise JavaScript applications, including built-in solutions for accessibility, modularity, and data visualization. In this code-driven session, you will learn everything you need to know to create maintainable enterprise applications in JavaScript!

Thursday Mar 24, 2016

DukeScript and Duke Sewing

 “There is no Java on some of the new devices and we wanted to change that” explains Author and JavaOne rock star Toni Epple. He describes the DukeScript project and how you can use it for cross-platform development on mobile, desktop and web browsers. Discover his new project to automatically sew a Duke design.  


Docker for Repeatable Builds

Learn how to create reliable, fast and repeatable builds. Andrzej Grzesik  presents a case study of an externally facing API project with complex dependencies and different approaches to improve processes and quality. It explores build infrastructure, from under-the-desk bare metal, through ad hoc provisioned VMs, as well as containers. 

Wednesday Mar 23, 2016

New Java SE Releases

Java SE 8 update 77 (Java SE 8u77) and Java SE Embedded 8 Update 77 are now available. Oracle strongly recommends that most Java SE users upgrade to the latest Java 8 update 77, which includes important security fixes. You can download the latest releases from Java SE and Java SE Embedded pages. 


For information on new features and bug fixes included in these releases, see the following release notes: 

Thursday Mar 10, 2016

New Java Champion Marcus Lagergren

Welcome the new Java Champion Marcus Lagergren!

Marcus Lagergren has been involved with the Java platform since the alpha versions. He worked at Appeal Virtual Machines, a performance-oriented start-up offering alternatives to byte code interpretation, slow-running thread implementations and non-native code. As one of the principal architects of the JRockit JVM, Marcus helped make sure that Java became a good alternative to writing programs in native languages. 

Marcus contributed to virtual implementations of Java on hypervisors, when virtualization was still in its infancy, and demonstrated with the JRockit VE project that virtual solutions are good alternatives to physical platforms.  

Marcus worked as a member of the Java language team implementing Java 8. He worked on improving support for dynamic languages on the JVM. Being a performance engineer at heart, Marcus demonstrated that dynamic languages, thanks to invokedynamic, achieve similar performance on the JVM compared to languages with a static type system. 

Marcus has co-authored a book on JVM internals, “Oracle JRockit - The Definitive Guide”. He is also a frequent speaker at Java conferences. Follow him @lagergren

The Java Champions are an exclusive group of passionate Java technology and community leaders who are community-nominated and selected under a project sponsored by Oracle. Learn more about Java Champions

Wednesday Mar 09, 2016

The State of the Module System

Original Post from Java Architect Mark Reinhold about the Jigsaw Project

This is an informal overview of enhancements to the Java SE Platform prototyped in Project Jigsaw and proposed for JSR 376: The Java Platform Module System. A related document describes enhancements to JDK-specific tools and APIs, which are outside the scope of the JSR.

As described in the JSR, the specific goals of the module system are to provide
• Reliable configuration, to replace the brittle, error-prone class-path mechanism with a means for program components to declare explicit dependences upon one another, along with

• Strong encapsulation, to allow a component to declare which of its public types are accessible to other components, and which are not.

These features will benefit application developers, library developers, and implementors of the Java SE Platform itself directly and, also, indirectly, since they will enable a scalable platform, greater platform integrity, and improved performance.

Contents: 
1 Defining Modules 
2 Using Modules 
3 Compatibility & Migration 
4 Services 
5 Advanced Topics 

Read the full post 

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