Wednesday May 25, 2016

Java EE 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. Watch three webinar sessions from the April edition of Virtual Technology Summit.

Down-to-Earth Microservices with Java EE: Reza Rahman 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 align with the concept of microservices.

Thinking Beyond ORM in JPA:  Patrycja Wegrzynowicz discusses native-query support in JPA along with stored procedures and result set mappings in JPA 2.1. The code samples illustrate the details of the API, highlighting their strengths and weaknesses. the 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, Geertjan Wielenga presents everything you need to know to create maintainable enterprise applications in JavaScript!

Sunday May 22, 2016

Java Community Event in Japan

JJUG CCC is the largest Java community event in Japan, held twice a year in spring and autumn. The one day event is organized by the Japan Java User Group and attracted over 1,300 attendees last Saturday. Top speakers presented sessions about all Java technologies in 7 tracks. The event closed with entertaining Ignite sessions including a blind sake tasting competition between NightHacking organizers, Sebastian and Stephen, and the community members. 

Some of the session topics were: 
  • Raspberry Pi with Java
  • Type Annotation for Static Program Analysis
  • Eclipse Collections
  • Jenkins 2.0
  • Introduction to JShell: The Java REPL Tool 
  • Java EE Web Profile
  • Python + GDB = Java
  • OpenJDK 
  • Gradle 
  • Play Framework 
  • Java Puzzlers 
  • Java EE 

Pictures of the event 


Wednesday May 18, 2016

New Java Champion Mark Heckler

Welcome New Java Champion Mark Heckler!  

Mark has worked with Java SE and Java EE since the early days of each, and has over 25 years of experience with software development in general. He has filled roles from junior programmer to architect and has been an evangelist/advocate for the past several years. 

As a longtime evangelist of Java and an accomplished developer, Mark co-authored two books on JavaFX: JavaFX 8: Introduction By Example (2014) and Mark Heckler By Example coming out soon. He has been a technical reviewer and contributor on several other books about JavaFX, Raspberry Pi development and security topics. 

He is a frequent speaker at IoT and Java conferences including JavaOne, Devoxx, Focus, JavaLand and more. He has organized many workshops, hackathons and hands-on labs. Follow him on Twitter @MkHeck 

Some of his projects on GitHub are: 
  • DialogFX & MonologFX  dialog support for JavaFX before base release availability 
  • Autonomous4j Java library for providing general autonomic capabilities for airborne drones 
  • A4jMultimode Java library that provides abstractions for autonomous operations of land/air/water drones 
  • Implement A4jMultimode PoC by building land-based drone (robot) running Java SE Embedded on onboard Raspberry Pi
  • Renewable energy monitor/control applications for IoT gateways (Java SE Embedded) and Cloud portal (Spring Boot + Cloud Foundry) 
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

Tuesday May 10, 2016

Step-by-Step High Availability with Docker and Java EE

Are you planning to use containers and microservices together? Bruno Souza and Elder Moraes introduce those topics in their article "Step-by-Step High Availability with Docker and Java EE". Using a simple example, they show how you can use Java EE with Docker as a powerful way to develop and deploy portable, scalable, highly available services.

Souza and Moraes use the following steps to illustrate how easily and quickly you can use Docker containers with a Java EE application:

1. Choose a Java EE application to run on an Apache TomEE server.
2. Create a software appliance.
3. Add a highly available configuration. 
4. Run the application on immutable servers.
5. Add a load balancer. 

Then they describe additional benefits you can get by using Docker containers to run Java EE applications, such as automating a build pipeline, automating tests, and performing cloud migration. To learn more, read the article.

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.

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

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. 

Tuesday Mar 15, 2016

JAX-RS and Hypermedia

How to build a Hypermedia-Driven RESTful Web Service. Sebastian Daschner describes different approaches to realize RESTful services with JavaEE 7 and JAX-RS. Watch his presentation as he shows best practices and different frameworks that accelerate your development.

Thursday Mar 03, 2016

Java SE 8 for Java EE Developers

Which Java SE 8 APIs should you use in your Java EE 7 applications? It’s been two years since Java SE 8 was released, and Java EE 7 has been around almost three years. How can you combine both technologies and boost your productivity? Of course your application server provider should support both technologies.

In his presentation, David Delabasse explains how to use eight Java SE APIs that will help you with your Java EE applications. He shows a demonstration on how to implement each of the following Java SE libraries: Date and Time APIs, JPA converters, Java Server Faces, annotations, optional, string joiner, stream API, and Nashorn Javascript Engine. 

This presentation is part of the next Virtual Technology Summit sponsored by the Oracle Technology Network. Register! It is free. For your convenience, we offer the event in three time zones as follows: 
  • Americas - March 8th- 9:30am to 1:00 PST - Register
  • APAC - March 15th - 9:30am to 1:00pm IST - Register
  • EMEA - April 5th - 9:30am to 1:00pm BST - Register
This VTS provides two tracks on Java SE and Java EE with six hands-on sessions. Check out the full VTS agenda here  

Thursday Feb 18, 2016

Writing Web Apps

By Java Magazine Editor Andrew Binstock

Welcome to the January/February issue of Java Magazine whose focus is on developing Web applications. Not so long ago, this topic would require us to cover and compare innumerable Java frameworks. But as Web apps have turned increasingly to microservices in their architecture and REST for their APIs, the need for heavyweight frameworks has decreased significantly. By and large, Spring remains the principal widely used framework. And so, we cover its latest incarnation, Spring Boot, in a lengthy tutorial, which highlights how easy it makes creating Web apps. 

A companion examination of the JAX-RS library, with emphasis on lesser used capabilities that you might not realize it offers, is also included. And for readers who use some form of xFaces for the Web part of the app, we dig into OmniFaces, a well-designed utility library that integrates easily with JSF, MyFaces, PrimeFaces, RichFaces, etc.

[Read More]
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