Developer.com: Your Home for Java and Open Source Development Knowledge

Understanding Big Data Processing and Analytics

By Xinyu Liu

| Article Published September 19, 2013

Learn about Big Data processing techniques addressing, but not limited to, various BI (business intelligence) requirements such as reporting, batch analytics, online analytical processing (OLAP), data mining, text mining, complex event processing (CEP), and predictive analytics.
Tags : big data, analytics, reporting, business intelligence, Java

Oracle Busting Java Applets With JDK Update?

By Darryl Taft

| Article Published September 16, 2013

A longtime Java developer claims Oracle is intentionally breaking Java applets with the latest release of the JDK, but he offers solutions for the problem.
Tags : Oracle, JDK, Java

Understand The High-Availability and Scalability Challenges with Big Data

By Xinyu Liu

| Article Published September 11, 2013

Today, developers interested in Big Data can easily be lost in the jungle of numerous new technologies. Get a clear view on the Big Data technology landscape and learn to pick the most suited techniques for your Java software projects.
Tags : high-availability, big data, scalability, Java

Microsoft, Azul Partner to Bring OpenJDK to Windows Azure

By Darryl K. Taft

| Article Published July 24, 2013

Microsoft and Azul systems announced a partnership to deliver an OpenJDK build on Windows Azure.
Tags : Windows Azure, GPL, Microsoft, OSCON, Azul Systems, Microsoft Open Technologies, Java, Oracle, OpenJDK

Getting Started with Google's Android Studio

By Jessica Thornsby

| Article Published July 05, 2013

Android Studio is the first IDE dedicated entirely to Android. Find out how it compares to Eclipse, and develop a Hello World app in the new IDE.
Tags : Eclipse, Google, Android, Java, IDE, development, android studio

Dependency Injection in Existing Java Code

By Manoj Debnath

| Article Published January 21, 2013

Java Dependency injection (DI) is the way we decouple dependency relationships between objects. See DI in sample Java code and find out whether it's applicable for you.
Tags : Java, Dependency injection

Do You Really Get Classloaders?

By Guest Author

| Article Published December 26, 2012

Java developers who understand the inner workings of Java classloaders can avoid common programming pitfalls and increase productivity.
Tags : Java

10 Tech Skills that Command 6-Figure Salaries

By Developer.com Staff

| Article Published August 15, 2012

Developers with these skills can expect higher-than-average pay.
Tags : Clojure, development, salaries, skills in demand, jobs, careers, Java, Hadoop, Erlang

Oracle Releases Enterprise Pack for Eclipse 12c

By Developer.com Staff

| Article Published August 03, 2012

The update introduces new enterprise application development tools for Oracle ADF.
Tags : Fusion Middleware, development, Eclipse, enterprise application, Java, Oracle

Implement OAuth-based Social Network Logins in Grails

By Developer.com Staff

| Article Published August 02, 2012

Grails Spring Security is a great plugin that allows you to set up authorization for your app with just a few lines in Grails configuration. Users can register to your website, click on a confirmation link received by e-mail and login with the username and password.
Tags : security, OAuth, social network, Java

NetBeans 7.2 Adds Static Analysis, Improves Performance

By Developer.com Staff

| Article Published July 30, 2012

The Java IDE supports the latest versions of C++, PHP, Maven and Groovy.
Tags : open source, Oracle, Java, IDE, NetBeans

Java 7 Fork/Join Framework

By KL Nitin

| Article Published July 30, 2012

KL Nitin and S. describe the Fork/Join framework and how it is used to address Java parallelism issues.
Tags : Java 7, Java

Hackers Increasingly Targeting Java Vulnerabilities

By Developer.com Staff

| Article Published July 25, 2012

Researchers call on Oracle to step up Java security.
Tags : Java, Oracle, vulnerabilities, security, hackers

Poland Needs Programmers

By Developer.com Staff

| Article Published July 24, 2012

The country is producing tens of thousands of computer science graduates, but not enough to fill the available jobs.
Tags : Java, jobs, programmers, computer science education, developers

Java Multi-threading and the Challenges of Parallel Computing

By KL Nitin

| Article Published July 23, 2012

Traditionally in Java, parallel/concurrent programming has been considered to be one of the most difficult tasks to handle due to the overhead in managing threads. But since the release of Java5 and Java6, the specification has enhanced the multi-threading model with new APIs. Read on to learn more.
Tags : PARALLEL COMPUTING, multi-threading, Java

Objective-C Now More Popular Than C++

By Developer.com Staff

| Article Published July 06, 2012

The trend shows the growing importance of mobile development.
Tags : C++, C, Tiobe index, programming language, Java, Objective-C

Running Java Applications on Windows Azure

By Vipul Patel

| Article Published June 27, 2012

Windows Azure supports running applications in a variety of frameworks. Vipul Patel shows you how to run Java applications on Windows Azure.
Tags : Java, Microsoft, applications, Windows Azure

Eclipse Survey Shows Strong Momentum for Git, Java, Mobile Development

By Developer.com Staff

| Article Published June 14, 2012

The poll of open source developers finds little interest in cloud development.
Tags : Eclipse, survey, Subversion, cloud development, Java, open source, git, cloud computing, mobile development

5 Java Upload Applets for Your Web Applications

By Constantin Marian Alin

| Article Published April 25, 2012

Get a Web developer's feature review of five leading Java file upload solutions.
Tags : upload files, Java

Can You Copyright a Programming Language?

By Developer.com Staff

| Article Published April 16, 2012

Google says no; Oracle says yes.
Tags : Oracle, Java, Google, programming language, Android

Java Still Top Programming Language in Terms of Book Sales

By Developer.com Staff

| Article Published April 12, 2012

Java book sales have climbed 13 percent this year.
Tags : Java, programming languages

C Takes Over the Top Spot on the Tiobe Programming Language Chart

By Developer.com Staff

| Article Published April 12, 2012

After approximately 10 years as number one, Java falls to second place.
Tags : C, Java, programming languages

Is Client-Side Java on Its Way Out?

By Developer.com Staff

| Article Published April 05, 2012

Security concerns have some browsers blocking Java.
Tags : server, Java, browsers, client, security, web application development

Using PHP and Java in the Same App with PHP/Java Bridge

By Octavia Andreea Anghel

| Article Published March 21, 2012

Learn how to use PHP and Java in the same application, where Java behaves as a pure business logic component and PHP behaves as an interrogator component.
Tags : PHP, Java

Oracle Reveals Java Wish List

By Developer.com Staff

| Article Published March 15, 2012

Future versions of Java will include improvements in interoperability, cloud computing support and big data support.
Tags : Oracle, Java

Google Programming Languages Lose Popularity

By Developer.com Staff

| Article Published March 12, 2012

Neither Go nor Dart are in the top 50.
Tags : programming languages, Java, Google, Go, JavaScript, Dart

Objective C Wins TIOBE's Programming Language of the Year Award

By Developer.com Staff

| Article Published January 11, 2012

Java remains at the top of the programming language index, but loses popularity.
Tags : Objective-C, Java, programming languages

Oracle Updates NetBeans

By Datamation.com Staff

| Article Published January 06, 2012

Version 7.1 of the open source Java IDE adds support for JavaFX 2.0 and CSS3.
Tags : Java, NetBeans, IDE, Oracle

Fewer Developers Using Java

By Cynthia Harvey

| Article Published October 12, 2011

Java is still the most popular programming language, but it's losing some of its dominance.
Tags : Java

Java 8 Delayed Until 2013 As Java EE and ME Push Forward

By Sean Michael Kerner

| Article Published October 05, 2011

Oracle lays out roadmap for Java releases
Tags : Java, Java 8

New Refactor Software Architecture Tool for Java and .NET Developers

By Mike Houghton

| Article Published May 31, 2011

Headway Software announces the release of Restructure101, a new development tool to make refactoring easier and more effective.
Tags : .NET, Java, architecture

Java Gets a Big Boost in Development Usage Around the World

By Mike Houghton

| Article Published May 31, 2011

Java usage grew last year among many developers in all corners of the planet, according a new Evans Data Global Development survey.
Tags : Java

Two Years After Oracle's Acquisition of Sun, Has It Paid Off?

By Mike Houghton

| Article Published May 16, 2011

Doubts arose about whether Oracle would continue to invest in Java technology after it acquired Sun. Today, those doubts have proven overblown.
Tags : Sun, Java, Oracle

New Enterprise Java Caching Technology Presented by Red Hat

By Mike Houghton

| Article Published May 06, 2011

A free "Early Adopter Program" is available to try and hook customers and gain feedback from the community.
Tags : Red Hat, caching, Java

WaveMaker Review: Java RAD Tool for Web Applications

By Shekhar Gulati

| Article Published May 02, 2011

The RAD tool WaveMaker, now owned by SpringSource, helps non-programmers quickly develop Java-based Web applications.
Tags : IDE, Java, Web Tool

Java-based CMS Jease Releases Version 2.0

By Mike Houghton

| Article Published April 29, 2011

Jease 2.0 is a Java-based content management system made extra easy.
Tags : Java, CMS

Java Cloud Development: What Developers Need to Know

By Debu Panda

| Article Published March 20, 2011

If you are a Java developer and your organization is jumping on the cloud computing bandwagon, here's what you can expect.
Tags : Cloud, Java

The Linux Foundation Yanks Java from Linux Standard Base 4.1

By Keith Vance

| Article Published March 11, 2011

Java used to be included in LSB, but now the Linux Foundation has said licensing changes have made it impossible to include Java as a language.
Tags : Linux, Java

Java Security Hole Left Unplugged for 2 Years

By Keith Vance

| Article Published February 09, 2011

By manipulating a JFileChooser object using a Timer and ActionListeners, a hacker can not only view a user's file system, but she can create folders, move and rename files, or pretty much whatever she wants via an Applet.
Tags : vulnerability, Java

Oracle Positioning Java for the Enterprise at the Expense of Open Source Community

By Keith Vance

| Article Published January 24, 2011

Forrester Research reports predicts that in the next decade the open source community will have walked away from Java while mission-critical large enterprises will stick with it.
Tags : open source, Oracle, Java

Java Tip: Dynamically Update SimpleViewer Galleries

By Developer.com Staff

| Article Published January 20, 2011

Here's a stateless session bean that dynamically updates the gallery.xml document in SimpleViewer.
Tags : Java, XML

Dynamically Configure Log4j Properties in a Clustered Environment

By Developer.com Staff

| Article Published January 06, 2011

Learn how to configure the log4j-related properties of a Java application deployed in a clustered environment.
Tags : log management, cluster, Java

Event: JavaOne 2011

By Developer.com Staff

| Article Published December 29, 2010

Tags : conference, Java, Oracle

Google Donates Java GUI and Profiler Tools to Eclipse Foundation

By Sean Michael Kerner

| Article Published December 16, 2010

Google set to launch the WindowBuilder Java GUI designer and CodePro Profiler at Eclipse, donating code worth over $5 million.
Tags : Google, Java, Eclipse

Oracle's Latest Open Source Fumble: The Hudson Project

By Keith Vance

| Article Published December 06, 2010

Oracle continues to stumble in managing their many open source projects. This time they locked out the entire open source community from accessing the Hudson project source code.
Tags : continuous integration, Project Hudson, Java

Android Is Closer to Windows Phone 7 Than Developers May Think

By Glen Kunene

| Article Published December 01, 2010

The differences between Android and Windows Phone 7 are mostly skin deep, so enterprising Android developers can port their current apps over to Windows Phone 7.
Tags : C#, Android, Windows Phone 7, Java

Apache Directory Studio: Simplified LDAP for Java Developers on Eclipse

By Glen Kunene

| Article Published November 29, 2010

For Java developers who need to perform some LDAP manipulation and use Eclipse, the Apache Directory Studio plugins can come in very handy.
Tags : Apache, LDAP, Eclipse, Java

How a Java Developer Can Build a Windows Phone 7 Application

By Glen Kunene

| Article Published October 26, 2010

Want more distribution for your Java mobile app? Learn how to translate your Java skills onto the Windows Phone 7 platform.
Tags : mobile app, Windows 7 Phone, Java

Oracle Continues Java Developer Training with Certification Programs

By Glen Kunene

| Article Published October 26, 2010

Some have worried how Oracle might manage Sun assets such as its Java developer education programs. Find out how Oracle laid those fears to rest.
Tags : Java, education, training, Oracle

IBM Joins Oracle in OpenJDK Effort

By Sean Michael Kerner

| Article Published October 11, 2010

IBM joins Oracle in the OpenJDK open source Java project, mitigating potential fragmentation and giving new credibility to Oracle's Java leadership.
Tags : JDK, open source, Java

How Training Got Me from Co-op Student to Java Solution Architect

By Glen Kunene

| Article Published October 05, 2010

A Java developer discusses the years of certification, training and development that have shaped his career -- and the lessons he learned along the way.
Tags : Java, certification, training

AspectJ 101: Creating a Project with Eclipse AJDT

By Rob Gravelle

| Article Published September 15, 2010

Learn how to create an AspectJ project using Eclipse AspectJ Development Tools (AJDT) and the Prototype JavaScript framework.
Tags : Eclipse, Java

Querying in JPA 2: Typesafe and Object Oriented

By Nitin KL

| Article Published September 09, 2010

JPA 2.0 introduced criteria queries, which are typesafe and more object oriented than JPQL queries.
Tags : Java, Persistence

Oracle Lawsuit on Top of Java Complexity Scaring Developers Away?

By Robin Miller

| Article Published September 08, 2010

With Java complexity already a barrier, the Oracle lawsuit against Google is further incentive for developers to stay away or switch.
Tags : licensing, Oracle, Google, Java

A Categorization Scheme for All Those Java I/O Stream Classes

By Gurunath Kalamadi

| Article Published September 02, 2010

Try this handy technique for categorizing the potentially overwhelming number of I/O stream classes in Java.
Tags : Java, I/O

Write More Understandable Java Tests with Matcher Objects and FEST-Assert

By Shekhar Gulati

| Article Published August 30, 2010

Have your Java unit test assertions gotten hard to read? Use the matcher objects provided by the Hamcrest and fluent FEST-Assert libraries.
Tags : Java, testing

Quercus: Bring Java's Power to Your PHP Development (and Vice Versa)

By Jason Gilmore

| Article Published August 26, 2010

With Quercus, PHP and Java developers can mix and match the respective capabilities of both languages.
Tags : Java, PHP

Working with Java Threads Before and After JDK 5

By Avneet Mangat

| Article Published August 16, 2010

Despite the new features and fine-grained control of the JDK1.5 threading framework, writing multithreaded Java applications remains challenging and error prone.
Tags : Java, threads, JDK

The Top 5 New Annotations in JPA 2

By Nitin KL

| Article Published August 12, 2010

Get a cheat sheet for the five most important Java annotations introduced in the JPA 2.0 release, compete with code examples.
Tags : Java, Persistence

Combining Hibernate Cache and Ehcache for Better Java Scalability

By Jacek Furmankiewicz

| Article Published August 09, 2010

Combine Hibernate second-level cache, Ehcache and Spring to greatly improve the scalability of your enterprise Java applications.
Tags : cache, Ehcache, Java

Pessimistic Locking in JPA 2 and Hibernate

By Sangeetha S

| Article Published August 06, 2010

JPA version 2 and Hibernate both support pessimistic locking for Java concurrency control, but not in the same way.
Tags : Persistence, Java, Concurrency

Apache Cayenne 3 Delivers New Features for Java ORM

By Sean Michael Kerner

| Article Published July 07, 2010

Nearly four years after the last major Cayenne release, version 3.0 raises the bar on object relational mapping (ORM) with new performance and caching features.
Tags : Persistence, Java, cache

Tomcat 7 Debuts for Java

By Sean Michael Kerner

| Article Published July 02, 2010

Java app server gets its first major refresh in years, but it's not quite stable -- yet.
Tags : open source, Java, Tomcat, Apache

Helios Release Delivers 39 Open Source Projects for Eclipse IDE

By Sean Michael Kerner

| Article Published June 23, 2010

The coordinated Helios release of Eclipse projects delivers new tools for developers to build and deploy applications with the Eclipse IDE.
Tags : Eclipse, Linux, Java, IDE

Isolating Locale-specific Text in International Java Applications

By Rob Gravelle

| Article Published June 09, 2010

Learn how to isolate locale-specific text in international Java applications using ResourceBundles and Properties files.
Tags : Java, location-based applications

Mockito: Java Unit Testing with Mock Objects

By Jacek Furmankiewicz

| Article Published May 14, 2010

Run a Java test with less overhead than integration tests and no need to deploy the service you're testing on a running Web container.
Tags : Java, Mock Objects, Unit Testing

Will Oracle Help Java Regain Its Status?

By Herman Mehling

| Article Published April 07, 2010

Oracle promises Java SE 7 release this year with increased developer productivity, modularization, and support for more than 200 languages.
Tags : Java, developer, Mehling, Oracle

Apache Maven 3 Races to the Finish Line

By Sean Michael Kerner

| Article Published April 05, 2010

After years of development, a new version of the widely used Java build tool is nearing completion. The founder and project lead shares an early look.
Tags : Build, Apache, Maven, Java

Ruby Development Gains Commercial Support on Java as New JRuby Version Looms

By Sean Michael Kerner

| Article Published March 31, 2010

The JRuby language gets commercial support as a major new JRuby version approaches, promising easier integration of Ruby development and Java.
Tags : Engine Yard, Java, JRuby, Ruby

Selenium: Automated Integration Testing for Java Web Apps

By Avneet Mangat

| Article Published March 24, 2010

With Selenium, Java developers can develop integration tests, export those tests as JUnit tests, and automate test execution.
Tags : testing, testing tool, web application, Selenium, Java

Google App Engine: What Is It Good For?

By Mark Watson

| Article Published March 22, 2010

Google App Engine offers Java and Python developers automatic scaling and potential cost savings -- if they properly design the applications to run on it.
Tags : Java, caching, Python, Google App Engine, cloud computing

Extend JXPath to Generate Results in a Custom Data Model

By Manish Malhotra

| Article Published February 25, 2010

Go beyond processing XPath language expressions over XML data. Extend the Java JXPath API to derive a custom data model.
Tags : JXPath, XQuery, XML, XPath, Java

Make Your Java Web Applications Impervious to Cross-site Scripting

By Ramasubramanian Thiyagarajan

| Article Published February 22, 2010

Use client-side validation and server-side filtering to guard your Java web application against cross-site scripting attacks.
Tags : Java, filter, security, web applications, Cross-Site Scripting

The Java 7 Features Bound to Make Developers More Productive

By Raghu Donepudi

| Article Published February 12, 2010

The developer productivity features in the upcoming Java SE 7 release (object comparison, file system monitoring, and concurrency) are enough to make a Java veteran envy the Java newbies.
Tags : file systems, Java, Concurrency, Java SE, open source

Java Serialization: Persist Your Objects

By Sridhar M S

| Article Published February 08, 2010

With serialization, you can serialize (persist) any Java object for future use or recreate it from an existing source.
Tags : Serialization, Persistence, Java Object, Java

Using Axis2 and Java for Asynchronous Web Service Invocation on the Client Side

By Deepal Jayasinghe

| Article Published February 05, 2010

Apache Axis2, the open source Java web services framework, has very good support for client-side asynchronous service invocation. Find out how to make it work for you.
Tags : open source, Axis, Axis2, Web services, Java

Use Spring Batch's 'Chunk' Processing for Large Data Sets

By Cesar Otero

| Article Published January 15, 2010

Sometimes data sets are too large to process in-memory. Learn how to implement a better approach in Java: Spring Batch's "chunk" processing.
Tags : Java, Spring, data

Sun Updates Java SE 6 for Performance

By Sean Michael Kerner

| Article Published January 14, 2010

Java SE 6 Update 18 could be the last from Sun before the Oracle acquisition closes.
Tags : Sun, Java SE, Java

Using Randomization in Java Unit Testing

By Bob Reselman

| Article Published January 13, 2010

Using randomization in your Java unit tests is easy and not as time consuming as you think. Plus, it will increase the value of your tests in the short and long term.
Tags : Mock Objects, Java, Unit Testing, TDD, XML

SpringSource DM Java Server Heads to Eclipse

By Sean Michael Kerner

| Article Published January 12, 2010

It's a major code donation for Virgo as dm Server hits version 2.0.
Tags : open source, OSGi, Eclipse, Java, Java EE

Mission-Critical Java to Power Next-Gen Enterprise Computing

By Developer.com Staff

| Article Published December 31, 2009

Recent advances put Java in a position to power the next generation of enterprise computing.
Tags : Java EE, Oracle, Java, JRockit, enterprise software

Add Video Capture to Your BlackBerry Applications

By Chris King

| Article Published December 09, 2009

Take advantage of the latest BlackBerry features by adding video recording capabilities to your applications.
Tags : Java, Blackberry, video

What's Wrong With JavaEE 6?

By Sean Michael Kerner

| Article Published December 04, 2009

JavaEE 6 is now a final spec, with lots of new features and functions. But not everyone is thrilled about it.
Tags : Red Hat, Sun, Java EE 6, Java, Spring

JAX-RS: The Java API for RESTful Web Services

By Thribhuvan Thakur

| Article Published October 14, 2009

This article reviews two popular JAX-RS frameworks, Jersey and Apache CXF, and provides some basic examples that illustrate how to build, deploy, and execute RESTful web services.
Tags : Java, Web services, JAX-RS

An Introduction to Java NIO and NIO.2

By Thribhuvan Thakur

| Article Published September 09, 2009

In this article we will review some of the existing features of the java.nio (New I/O) package that are a part of Java v1.4, v1.5 and v1.6.
Tags : upgrading, Java, content

Rev Up the Drools 5 Java Rule Engine

By Anghel Leonard

| Article Published May 19, 2009

Drools, a Java rule engine framework for organizing business logic, allows you transform spaghetti code into readable, verifiable, reusable, configurable, scalable, and flexible code.
Tags : Drools, Business logic, Rule engine, Java, JBoss

The Dos and Don'ts of a Java Position Interview

By Liviu Tudor

| Article Published May 07, 2009

If you've looked for a Java position or if you are on the other side and are looking to fill a Java position in your company, then here are a few tips that will come in handy.
Tags : Java, job

Iteration or Recursion?

By Liviu Tudor

| Article Published April 23, 2009

Did you ever get stuck having to choose between a recursive or iterative implementation? Get the answers to whether one is better than the other or whether it really matter?
Tags : programming, Java, patterns

Java Annotations: An Introduction

By M. M. Islam Chisty

| Article Published October 14, 2005

Make your development easier through the use of JDK5's annotation feature. The objective is to spend less time on unhandy code-writing and focus more on business logic rules.
Tags : annotations, Java

Using the HttpSession object of the Servlet API

By Developer.com Staff

| Article Published May 18, 2000

The Java Servlet API represents an elegant and powerful way to shift processes from client to server, and offers a number of advantages over CGI. These advantages have certainly been enumerated so that most developers are aware of the servlet advantage. However, some of the details of the servlet architecture may at first seem daunting. Here's a short introduction on one aspect of writing servlets: the HttpSession object.
Tags : HttpSession object, Servlet API, Java, tutorial

An Introduction to Java Servlets

By Developer.com Staff

| Article Published May 18, 2000

In this article I will describe the overall servlet architecture and what you need to develop your application with servlets. I will use several code examples to show you how to use the Servlet API, and compare it with CGI and proprietary server APIs where appropriate.
Tags : Java, introduction, Java Servlets, tutorial

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