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Open JDK

Developers expressed disappointment regarding the proposed removal of Project Jigsaw from Java 8 in the most recently completed Java.net poll, and had mixed views on whether Java 8 should proceed without it. A total of 445 votes were cast, and four people posted comments. The exact poll question and results were: What's your view of the proposed removal of Project Jigsaw from Java 8? 23% (...
on Aug 11, 2012
In JDK Enhancement Proposal (JEP) 155, Doug Lea proposes concurrency updates related to JSR 166 (Concurrency Utilities). Why is this significant? Well, Doug's proposed enhancements are not actually part of JSR 166 (which was finalized almost eight years ago); Doug's JEP 155 instead represents an instance of the interactive design process that eventually determines what the next major release of...
on Aug 4, 2012
A majority of developers who voted in the just completed Java.net poll consider the "Plan B" decision to release Java 7 with a smaller feature set, saving the other features for Java 8, to have been a good one. A total of 531 votes were cast. The exact question and results were: Was the decision to release Java 7 earlier by pushing some enhancements into Java 8 a good one? 60% (318 votes) -...
on May 27, 2012
It's been two years since I posted here last, but life has been busy with open source all the same. Having helped a startup with their open source thinking, I'm now independent again and contributing much of my time to the Open Source Initiative (OSI) and to The Document Foundation (TDF), as well as offering open source policy and practice consulting. That first association with OSI is...
on Jan 23, 2012

Java Patterns

OSCON Friday July 20, 2012 live streaming Speaker Slides and Video Table of Contents 1 10am Declarative web data visualization using ClojureScript 2 11am Client/Server Apps with HTML5 and Java 3 11:50am Hacking JavaFX with Groovy, Clojure, Scala, and Visage 1 10am Declarative web data visualization using ClojureScript Kevin Lynagh What is Visualization? EdgeBio : bioinformatics...
on Jul 20, 2012

Java User Groups

OSCON Monday July 16, 2012 live streaming Table of Contents 1 9:00am Building applications with MongoDB: An introduction 2 1:30pm Getting Started with OpenStack 3 1:30pm Scala Koans 1 9:00am Building applications with MongoDB: An introduction Steve Francia slides: http://www.slideshare.net/spf13/oscon-2012 excerpts: IDEAL horizontal scaling cloud compatible, commodity...
on Jul 17, 2012
I'm at OSCON in Portland, Oregon this week. I will be posting my notes here.
on Jul 17, 2012
After reading the JCP.next.3 - JSR 358, i can see the prospect of Harmony become JavaSE. Yes, there is no reason to keep block the Harmony become JavaSE.. to keep the community under Java umbrella, we need to make it.. but i can see Java will move from product become standard.. the RI is ok.... but i love the new body.. :) will JSR 358 make this happen. I believe this is amazing challanging,...
on Jun 14, 2012
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 This version has the improvements below: Supporting...
on May 26, 2012
Knuth-Morris-Pratt (KMP) Overview According to Wikipedia, the Knuth-Morris-Pratt algorithm "searches for occurrences of a "word" W within a main "text string" S by employing the observation that when a mismatch occurs, the word itself embodies sufficient information to determine where the next match could begin, thus bypassing re-examination of previously matched characters". Being 'A' the...
on May 10, 2012

Java Desktop

Boyer-Moore (BM) Overview According to Wikipedia, the Boyer-Moore algorithm "is an efficient string searching algorithm that is the standard benchmark for practical string search literature. It was developed by Robert S. Boyer and J Strother Moore in 1977. The algorithm preprocesses the string being searched for (the pattern), but not the string being searched in (the text). It is thus well-...
on May 21, 2012
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...
on Apr 21, 2012
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. For one, Java Threads have been around for a long time, and undoubtedly there are many resources available that discuss them;...
on Apr 16, 2012
  Running the new version of the Easy-Cassandra framework it main objective is making it easy the communication between Apache Cassandra and your application in java. With it you able create, update, retrieve, delete the java's objects in easy way and simple, for this you must add some annotation in Class and fields.   Characteristics     An ORM easy to use in Cassandra...
on Mar 17, 2012
                 Easy-Cassandra is a framework ORM API and a high client for Apache Cassandra in java, with this is possible persist information from the Java Object in easy way. For this is only necessary add some annotations in some fields and your class. It works like an abstraction's tier in the Thrift, doing call for Cassandra. The Easy-Cassandra...
on Feb 21, 2012
Today I attended the Oracle Technology Network's Java Virtual Developer Day, a four-hour online event that takes a pretty deep dive into Java 7 and JavaFX 2.0. The agenda started with a keynote presentation, "The Java Platform: Now and the Future," followed by a general session, "What is Java SE 7 and JDK 7." These were presented by Simon Ritter, Technology Evangelist, Oracle. Following the...
on Feb 14, 2012
Welcome to the 198th issue of The Java(tm) Specialists' Newsletter sent to you from Chania in Greece. My readers in colder climates frequently get annoyed when I tell them that "life's a beach". They imagine us having constant sun here. It's not true. We do sometimes have torrential rains and cold weather. It even snows here occasionally. In fact, the delivery...
on Feb 14, 2012
From 1995, when was launched the first Java's version, to 2012 the Java evolute obtained seven versions, many improvements and fixes bugs. In 2011 the biggest “boom” in the java world was about the openjdk recently it's grew in exponential way, but there are some myths arount it, for example, some people know the openjdk like “poor brother” of SUN's JDK (actually Oracle...
on Jan 17, 2012

NetBeans

This article has the main objective show a little example for persist information in Cassandra using java. For demonstrated the persistence with Cassandra will used the Easy-Cassandra, a framework open source for use this SGBG in an easy mode.   @ColumnFamilyValue(nome = "person")// public class Person implements Serializable {   private static final long...
on Jan 24, 2012

JCP

Hi all, I have three talks scheduled at the beginning of this year. The first one at FOSDEM in the Free Java Devroom is titled Java Lambdas for Hackers. It will explore the details of what can be the implementation of the lambda in Java 8 The agenda of the Free Java sessions this year is great, a kind of perfect mix between old friends and newcomers. http://fosdem.org/2012/schedule/track/...
on Jan 22, 2012