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Community
10 years ago, when we were decided to use Java technology to create a new application,
for use at Amway Corp; we thought it was sufficient to say, "We are using Java!".
We were wrong...
We quickly realized that there was Java 2 Standard Edition and there was Java 2 Enterprise Edition.
Since we were architecting our application to run in an application server-based environment,
we concluded that...
Hello all. My name is Larry Fernandez and I am a Principal Software Developer in IT.
I work for Amway Corp in Grand Rapids, Michigan.
March 2012 was my company's 10-year anniversary using Java. We have over 1 million lines of J2EE code in production,
with more on the way. I have been here since our "Java" beginnings and I have played many roles
(developer, architect, project manager, etc.).
We...
JavaOne India is a great success!
Hello there! I'm Alessandro Gentile and this is my brand new blog on java.net.
I must say, I'm honored to be part of this community. Two months ago I joined the GlassFish project and I began to write tutorials. There are several reasons for my choice and among them there's the love for open source software and java EE.
Markus Eisele in his blog two weeks ago wrote an article that I found truly...
Programming
The search algorithm is used for finding an item within a collection of items. String searching algorithm is a category of the search algorithm. The main idea of string searching algorithm is to find text pattern in a string. There are many techniques used to solve this. This second entry will be about 'Knuth-Morris-Pratt (KMP)' algorithm and how you can apply it on a simple Java code.
Fast Messenger in JavaScript can forward messages for your objects and functions within the main UI thread, one or multiple web workers, or even between UI thread and web workers. This way your JavaScript programs are promoted to be multi-threaded in no time.
Brian Goetz recently provided new details on the status of JSR 335 in his OpenJDK document "State of the Lambda: Libraries Edition." Project Lambda is a fundamentally important enhancement to Java 8. And, based on the response of developers in our recent poll...
Fast Messenger Lite is available in JavaScript. This post lists links to three demos. The first demonstrates how to use active object in a regular html page. The second shows how active objects in UI and Web worker thread communicate. The third demo has two web workers, and again active objects in three threads can send messages to each other including web worker to web worker.
Recently, I've been investigating the methods Java provides for developing desktop applications that efficiently utilize multicore processors. Java 7's Fork/Join Framework is the current focus of my investigation. But, Brian Goetz has just provided an update on the "State of the Lambda: Libraries Edition," which tells us lots about the current status of what's coming up in Java 8...
FM Lite is a specially tailored subset of FM that aims to complete with threads and multithreading.
A few nights ago, I was browsing the chapters about concurrent programming in Herbert Schildt's excellent "Java: The Complete Reference, 8th Edition," and I was struck by the evolution of concurrency in Java over the years, from threads, through the richness of Java 5's Concurrency Utilities, and on to Java 7's Fork/Join Framework...
With the advent of multicore processors on everything from desktop computers to tablets, pads, and even mobile phones, parallel processing is gaining increasing attention. This is at least in part what's behind the release of the Fork/Join Framework in Java 7, and the inclusion of Lambda Expressions...
Fast Messenger provides FutureReply a mechanism similar to the Future in Java. Sequential OO programs may keep the same program flow while enjoying high concurrency out of asynchronous messaging. When you obtain an instance of FutureReply by sending out a message, your code will continue without blocking. You can perform any work before you decide to check whether a reply is ready. Even the checking offers you two options, you can check, leave (non-blocking) and come back later, or you can wait (blocking) until a reply is ready.
Databases
Release the newest version of the framework to persist objects in Apache Cassandra in easy way. Among improvement is the JPA annotations, also JPQL.
JCassandra jCassandra=persistence.createJCassandra("select * from Person"); List<Person> persons=jCassandra.getResultList();
table 1: sample using JPQL in Easy-Cassandra
Easy-Cassandra 1.0.8
Easy-Cassandra 1.0...
Web Applications
The following blog shows an example of Server Sent Events in HTML5. It demonstrates using a sample where a server periodically polls for Twitter information and sends the data to the clients using Server Sent Events
Servlets
Server-Sent Events (SSE) support in GlassFish
Education
The search algorithm is used for finding an item within a collection of items. String searching algorithm is a category of the search algorithm. The main idea of string searching algorithm is to find text pattern in a string. There are many techniques used to solve this. This first entry will be about 'brute-force search' and how you can apply it on a simple Java code.
Performance
In some earlier posts, I've talked about Java threads, Java Thread Overhead, and Amdahl's Law and Parallel Processing Speed-Up. My next investigation in this series is Java 7's new Fork/Join Framework. I plan to spend quite a lot of time in this particular investigation...
J2EE
We build too many walls and not enough bridges.
Isaac Newton
Introduction
In my previous blog post, I have asked to many of you this question: "What JSF should become?". And since then, I was quite silent. The reason behind it, is that I was working to build a concrete implementation of this vision and today I'm glad to give you a concrete demonstration of it. So Ladies and Gentlemen, why...
JavaOne
It seems not that long ago that the JavaOne 2012 Call for Papers began. Yet, here we are, in the CfP's final weekend! All proposals for JavaOne 2012 sessions must be submitted by 11:59 PM Pacific Daylight Time (US) on Monday. Now, I'm not going to try to compute the equivalent local time for everyone around the world. In my experience, you don't try to submit something like this at the very last minute...
