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Thứ Ba, 31 tháng 12, 2013

Significant Software Development Developments of 2013

At the end of each calendar year, I like to summarize some of the most significant developments in the software development industry that happened during the year that is ending. The choice of these is entirely subjective and obviously colored by my own experience, background, perceptions, and preferences. Not worrying about the opinionated content of such a post, I now present the developments in software development that I consider most significant in 2013.

10. Gradle

Gradle appeared to me to enter the mainstream consciousness of software developers in a big way in 2013. I have been watching Gradle's development and playing with it a bit for some time now, but I have noticed that numerous open source projects now mention it prominently, it's referenced in many recently published Java books that aren't even about Gradle specifically, and Google selected Gradle to be delivered with its Android Studio product announced at Google I/O 2013. It took a while for Maven to breakthrough and compete with Ant and I think 2013 is seeing the beginning of Gradle's breakthrough to challenge Maven and Ant for predominance in Java-based build systems. Three books devoted to Gradle (the short Gradle: Beyond the Basics, the more comprehensive Gradle in Action, and the German Gradle: Modernes Build-Management - Grundlagen und Praxiseinsatz) have listed 2013 publication dates.

Gradle's rapidly rising popularity is nearly matched by its torrid rate of new releases. Gradle 1.4 ("faster builds that use less heap space"), Gradle 1.5 ("optimizations to dependency resolution"), Gradle 1.6 (improved Task ordering, "JaCoCo plugin for test coverage," and support for JUnit test categories), Gradle 1.7 ("fastest Gradle ever"), Gradle 1.8 (performance improvements and more native languages support), Gradle 1.9 (bug fixes and HTML dependency report), and Gradle 1.10 ("command-line usability features") were all released in 2013.

Gradle's success does not surprise me. It's Groovy foundation alone offers numerous advantages: Groovy scripts are easier to write procedural build-style code than is XML, Groovy has numerous syntactic shortcuts, Groovy is easily learned and applied by Java developers, Groovy has full JVM access, and Groovy includes built-in Ant support. On top of its inherent advantages from being built on Groovy, Gradle builds many useful and attractive features of its own on top of that Groovy foundation. Gradle adheres to several Ant and Maven conventions and supports Ivy and Maven repositories, making it straightforward to move from Maven or Ant+Ivy to Gradle.

Ruby on Rails helped bring Ruby into mainstream international prominence and, to a lesser degree, Grails helped do the same thing for Groovy. Gradle has the potential to pick up where Grails left off and push Groovy even further into the spotlight.

9. Trend Toward Single Language Development

For several years now, there has been a definite trend toward polyglot programming (polyglot persistence was even on last year's version of this post). Although this trend is likely to continue because some languages are better for scripting than others, some languages are better suited for web development than others, some languages are better suited for desktop development than others, some languages are better suited for realtime and embedded device development than others, some languages are better suited for scientific computing than others, and so on. However, I have seen indications of the pendulum swinging back at least a bit recently.

One of the arguments in favor of Node.js is the ability for JavaScript developers to use the same language on the "front-end" of a web application as on the "back-end." In the post Top Things I learned about development in 2013, Antonin Januska writes, "Working back to front in the same language is awesome." This is, of course, the reason that Java developers have in some cases been resistant to using JavaScript, Flex, or JavaFX Script (now deprecated) for front-ends of their Java applications (and why tools like Google Web Toolkit have been so popular). Java developers who write desktop applications (yes Virginia, desktop applications do exist) often experience the advantages of using the same language front-to-back as well.

One of Ceylon's most promising possibilities is the ability to write code in Ceylon that works on both Java Virtual Machines and JavaScript virtual machines and so could be used front-to-back in a Ceylon-based application. Indeed, the Ceylon page advertises, "[Ceylon] runs on both Java and JavaScript virtual machines, bridging the gap between client and server." Languages commonly associated with the Java Virtual Machine such as Scala and Kotlin also are offering the ability to compile to JavaScript.

A final example of the trend back to a single language in many environments is the use of Python in scientific computing as covered in the post The homogenization of scientific computing, or why Python is steadily eating other languages’ lunch.

I'm not arguing that this trend means that there will only be one main programming language in the future. However, I do believe it is generally human nature to want to use the same language or approach as much as possible because it's what we're familiar with and using the same language helps us to leverage our experience more broadly in the same application. The trend seems to be for each of the major languages (C/C++, Java, JavaScript, Python, .NET languages, etc.) to continue building up their own "stack" to support end-to-end functionality within that language and its ecosystem of frameworks, libraries, and tools. It's no coincidence that once a new language starts to see significant adoption, it quickly begins to see development of a variety of frameworks, libraries, and toolkits that extend the reach of that language.

I also don't want to imply that this is the end of polyglot programming. I don't see any programming language that is the best fit in all cases and there is no doubt that the most valuable developers will be those familiar with more than one programming language.

8. Internet of Things

I first heard about the concept of the Internet of Things at JavaOne 2012 and it got even more attention at JavaOne 2013. Oracle is not the only company touting the Internet of Things. IBM is into the Internet of Things as are many others.

Some believe that 2014 will be the year of the Internet of Things. Tori Wieldt has called "Java and the Internet of Things" one of the "Top Java Stories of 2013." In 2013, two series in Hinkmond Wong's Weblog have focused on the Internet of Things with featured posts on a Thanksgiving Turkey Tweeter and on a Christmas Santa Detector.

Other useful articles with differing opinions on the Internet of Things include The Internet of Things: a tangled web, Here's the Scariest Part of the Internet of Things, The Internet Of Things Will Be Huge—Just Not As Huge As The Hype, Five Challenges For The Internet of Things Ecosystem, The Internet of things will not arrive in 2014, CES 2013: The Break-Out Year For The Internet Of Things, and Here's Why 'The Internet Of Things' Will Be Huge, And Drive Tremendous Value For People And Businesses.

On a lighter (or more dire, depending on your perspective) note related to The Internet of Things, Aaron Pressman writes, "The whole crazy 'Internet of Things' movement to put everything under network control seems tailor made for Hal" (2001: A Space Odyssey).

7. Mobile Development

If someone not familiar with our industry was to start reading our software development social media sites and forums, that person would likely come to the conclusion that the vast majority of software development today is development of mobile applications. I have long argued that blog posts and articles often skew toward more leading-edge topics than established topics for a variety of reasons (perception/reality that established topics are already well-covered, resume building, fun to play with and write about new things, etc.). That being stated, there is no question that mobile development is popular in reality and not just in perception. There is no question that a big part of HTML5's popularity and rapid adoption is the opportunity to write applications in one set of languages (HTML/JavaScript/CSS) that will run on multiple mobile devices. Numerous projects and tools are being released to allow for writing applications in one language and compiling them to native formats for various mobile devices.

6. Responsive Design

At the end of 2012, Pete Cashmore predicted that 2013 would be the "Year of Responsive Web Design" because of its "obvious benefits": "You build a website once, and it works seamlessly across thousands of different screens." I like Jordan Larkin's explanation of responsive web design:

The term "responsive web design" (or responsive mobile design) refers to websites that change and adapt their appearance for optimum viewing on all screen sizes, tablets, smartphones, ipods, kindles along with desktop and laptop computer screens. Occasionally, in the digital arts industry, it is called "fluid design", "adaptive website design" or "RWD". Unresponsive websites do not change to fit different screen sizes, which means they can be difficult to navigate and look at on smaller devices.

As a person who is using a smartphone for an increasing percentage of my daily online activities, but still uses the laptop frequently and the desktop occasionally, I am appreciating firsthand the web site authors whose web sites and pages work well on all of these devices. It's often satisfactory to have two different web sites (one for mobile devices and one for everything else) from a consumer point of view, but this obviously means essentially duplicate code for the site developers. Even from a consumer point of view, there are times when I find the mobile version of a site lacking in features and in those cases it'd be preferable to have the regular site on all devices as long as that regular site appeared nicely on all devices.

The highly informative web site A List Apart has a nice set of articles related to responsive web design.

5. Node.js

JavaScript, despite its flaws, has dominated the web browser for years. Although JavaScript on the server has been available for some time (such as with Rhino and more recently Nashorn in Java), Node.js seems to be doing for JavaScript on the server what Ruby on Rails did for Ruby: the framework is popularizing the language (or in this case, popularizing the language specifically on the server).

2013 has been a big year for Node.js. There are numerous blogs and articles written on it on seemingly a daily basis. Some of these articles include What You Need To Know About Node.js and Node.js keeps stealing Rails' thunder.

Several books on Node.js have been published in 2013. These include Node.js in Action, Learning Node.js: A Hands-On Guide to Building Web Applications in JavaScript, Node.js the Right Way: Practical, Server-Side JavaScript That Scales, Pro Node.js for Developers, Node.js Recipes: A Problem-Solution Approach, Mastering Node.js, Using Node.js for UI Testing, JavaScript on the Server Using Node.js and Express, and the final version of The Node Beginner Book.

4. Big Data

Big Data holds the same #4 spot on my list as it did last year. Apache Hadoop and the R Project are just two examples of popular products/languages riding the Big Data wave. Python too, is increasingly being chosen as the programming language of choice for working with big data sets.

Readers of java.net recently answered a survey regarding Big Data in which the closest thing to a consensus seemed to be that "Big Data Is Probably Significant, but not too Surprising."

3. HTML5

HTML5 saw initial hype, disappointed for a while, and seems to be back on its rapid rise in popularity. I don't call out JavaScript individually in this post, but group it with HTML and CSS as part of HTML5 (and its also grouped with Node.js in this post). Given that HTML5, for purposes of this blog post, represents all of these things, it easily makes my top three significant software development developments in 2013. As mentioned previously with regard to mobile development, HTML5 is a popular approach for generating applications once that can theoretically run on any mobile device.

HTML5 features are seeing increasing standardization in terms of implementations in major browser. JavaScript/HTML libraries such as Angular.js and Ember.js are building on the momentum that jQuery has brought to HTML5 development in recent years.

HTML5's success is even evident in languages not considered part of HTML5 themselves. For example, one of the most heavily advertised new features of Java EE 7 is its HTML5 support. Recent versions of NetBeans IDE (considered primarily a Java IDE despite its multiple language support) have also seemed to emphasize HTML5 among their most important new features in 2013.

2. Security

As more information is online and we depend increasingly on availability of our data online, security continues to be an important issue for software developers. The trend of highly visibility security incidents continued in 2013. These incidents affected Ruby on Rails, Java, and other languages. The increasing frequency of security patches led Oracle to change how it labels the versions of Java SE.

An early 2013 article, Safeguard your code: 17 security tips for developers, outlines tips developers can take to improve the security of their applications. An earlier article in 2013 spelled out the increasing security concerns companies face. The book Java Coding Guidelines: 75 Recommendations for Reliable and Secure Programs has also been published in 2013. The 10 Biggest Security Stories Of 2013 outlines some of the biggest security-related stories of 2013.

1. Technical Dysfunction

Sadly, from a software development perspective, 2013 may be most remembered for the high profile technical glitches that occurred. Words like "debacle," "disaster," and "meltdown" have been associated with these issues and, rightly or wrongly, have reflected poorly on our industry. The most high profile dysfunction has been the embarrassing United States healthcare site healthcare.org. However, the issues that affect reputations and customer confidence have not been limited to government. Wal-Mart and Target, two major retailers in the United States, have had notable web site issues in the latter part of 2013 as well. Cloud-impacting technical dysfunction has occurred in 2013 in several notable cases including Amazon Web Services (AWS) and Google (including the search engine).

There seems to be plenty of blame to go around, but it seems difficult to get a good read on exactly what has caused these high profile technical failures. With healthcare.org, for example, I've seen people blame all types of different culprits including not allotting enough time to the effort, not being agile enough, being too agile, failing for despite agile approaches, failing to estimate user load correctly, getting government involved, etc. Although the real reasons are probably multiple and varied in nature and probably interest software developers more than others, the perception of our industry has gotten dinged up in 2013.

Honorable Mention

Although the developments in software development listed below did not make my top ten, they are significant enough to me to make this "Honorable Mention" category (in no particular or implied order).

JSON

One of the benefits of XML many years now has been the ubiquity of XML support across different languages, tools, frameworks, and libraries. For example, I recently wrote about how easy it is to use Groovy to search Subversion logs because Subversion makes its log output available in XML format and Groovy knows XML well.

JSON has been very popular with developers for some time now, but there have been many cases where standard libraries and tools that supported XML did not support JSON, meaning that developers had to write custom writing/reading code for JSON when using those libraries and tools. I'm beginning to see a lot more JSON support with tools and libraries now. Programming languages are also providing nice JSON parsing/writing capabilities. For example, Groovy has had JSON support for some time and Java EE 7 (JAX-RS 2.0) includes JSON support via the Java API for JSON.

JSON has been prominent enough in 2013 to warrant being included in titles of two Packt Publishing books published in 2013: JavaScript and JSON Essentials and Developing RESTful Services with JAX-RS 2.0, WebSockets, and JSON.

Java EE 7 Released

Java EE 7 was officially released in 2013. In a testament to Java EE's current widespread use and expected potential use of Java EE 7, book publishers have already published several books on Java EE 7 including Java EE 7 First Look, Java EE 7 Essentials, Beginning Java EE 7, Java EE 7 Recipes: A Problem-Solution Approach, Introducing Java EE 7: A Look at What's New, and Java EE 7 Developer Handbook.

Although I've never embraced JavaServer Faces (JSF), the feature of Java EE 7 that has been most interesting to me is the support for Faces Flows. I first read about this feature when reviewing Java EE 7 First Look and Neil Griffin's post Three Cheers for JSF 2.2 Faces Flows have reinforced my interest in this feature. In the post A Realistic JSF 2.2 Faces Flows Example, Reza Rahman supports my opinion that this is a key feature in Java EE 7 to watch with the quote, "Faces Flows are one of the best hidden gems in Java EE 7." Michael and Faces Flows might persuade me to give JavaServer Faces another look.

A recent blog post shows integration of AngularJS with Java EE 7.

Single Page Applications

The advantage of web applications over desktop applications has always been significant easier deployment of web applications than of desktop applications. The cost, however, has been a less fluid experience and sometimes less performing application than could be provided on the desktop. The concept of single-page applications is to make web (and by extension mobile applications that use traditional web technologies) feel and behave more like a "single-page" desktop application. Newer JavaScript libraries such as Meteor are being designed for the "thicker client" style of single-page applications.

The Wikipedia page on Single Page Application lists some technical approaches to implementing this concept. The Manning book Single Page Web Applications was also released in 2013. It's subtitle is "JavaScript end-to-end" (another piece of evidence of the general movement toward a single language).

See the description of Meteor below for another nice explanation of how web development is moving toward what is essentially this concept of single-page applications.

AngularJS

It seems like one cannot read any software development social media sites without running across mention of AngularJS. Although its Google roots are undoubtedly part of its success, AngularJS enjoys success from cleanly addressing significant needs in HTML/JavaScript development (shifting appropriate dynamic functionality from pure JavaScript to HTML with clever binding). In his post 10 Reasons Why You Should Use AngularJS, Dmitri Lau states that "Angular is the only framework that doesn’t make MVC seem like putting lipstick on a pig." Jesus Rodriguez, in his post Why Does Angular.js Rock?, writes that AngularJS "excels in the creation of single-page-applications or even for adding some 'magic' to our classic web applications." K. Scott Allen writes in his post Why Use AngularJS?, "I like Angular because I have fun writing code on top of the framework, and the framework doesn't get in the way."

Ember.js

Ember.js is another JavaScript library seeing significant online coverage in 2013. Ember 1.0 was released on 31 August 2013 and Ember 1.2.0 was released on 4 December 2013.

Like AngularJS and Knockout, Ember.js's approach is to embrace HTML and CSS rather than trying to abstract them away.

Famo.us

The famo.us web page currently requires one to "sign up for the beta" before being able to "experience famo.us." It's subtitle is "a JavaScript engine and framework that solve HTML5 performance." Another famo.us page states, "famo.us is a front end framework that solves performance for HTML5 apps" and "works for phones, tablets, computers and television."

Famo.us is discussed in two late 2013 InfoWorld posts: Did these guys just reinvent the Web? and Fast and flashy: Famo.us JavaScript framework revealed.

At this point, famo.us is still in beta, but it could be big in 2014 if it is able to deliver on what is advertised in 2013.

Meteor

Meteor is described on its main page as "an open source platform" for writing "an entire app in pure JavaScript" and using the "same APIs ... on the client and the server." In the Paul Krill interview Meteor aims to make JavaScript programming fun again, Matt DeBergalis stated that Meteor was created to address the changing web development paradigm often referred to as single-page application:

There is a shift in the Web application platform, and specifically, people are starting to write a new kind of application, what we call a thick client, where most of the code is actually running inside the Web browser itself rather than in a data center. This is an architectural change from running the software in the data center and sending HTML on the wire to a model where we have data on the wire and the actual rendering, the displaying of the user interface, is happening on the client. ... That's why it feels more interactive. It's not page-based like the old Web. It's much more engaging."
MEAN Stack

Having a witty acronym helped advertise and communicate the LAMP stack (Linux, Apache HTTP Server, MySQL/MariaDB, PHP/Perl/Python) and arguably contributed to the adoption of this combination of technologies. With this in mind, I found Valeri Karpov's post The MEAN Stack: MongoDB, ExpressJS, AngularJS and Node.js interesting. The post's author is another who points out the productivity advantages that can be gained from using a single language throughout an application. There is already a book underway: Getting MEAN with Mongo, Express, Angular, and Node. It will be interesting to watch this newly minted terminology and see if the stack and its name come close to the success that the LAMP stack and its name have enjoyed.

Commercial Support Dropped for GlassFish 4

Although it took longer to happen than most people probably anticipated, Oracle's dropping of commercial support for GlassFish 4 was formally announced in 2013 and is what most of us expected when we heard of Oracle purchasing Sun. The future of GlassFish is certainly cloudier now and expectations for GlassFish's future range from it being essentially dead to it thriving as the reference implementation.

Java IDEs

The major Java IDEs continued to add features to their already impressive feature sets in 2013. NetBeans had two major releases in 2013 with 7.3 released in February and 7.4 released in October. These two NetBeans releases added features such as Java EE 7 support, Project Easel for HTML5 development, Groovy 2.0 integration, JSON support, support for new JavaScript libraries (including Angular.js), native Java application packaging, Cordova integration, and improved support for non-JVM languages C/C++ and PHP.

IntelliJ IDEA 13 was released earlier this month. The release announcement highlights support for Java EE 7, improved Spring Framework integration, improved Android support thanks to IntelliJ IDEA Community Edition being used as the basis for Android Studio, improved database handling, and "refined Gradle support." Eclipse is often the IDE chosen for building a more specialized IDE such as Spring IDE (Spring Tool Suite), Scala IDE, or the new Ceylon IDE, so it's a particularly big deal that Google chose IntelliJ IDEA as the basis of its Android Studio.

Speaking of Eclipse, the seemingly most used Java-based IDE (especially when you consider the IDEs derived from it or based on it) also saw new releases in 2013. Eclipse 4.3 (Kepler) was released in 2013. There were also numerous popular plugins for Eclipse released in 2013.

Visual Studio 2013

Sun Microsystems was not the only company that saw desirable advantages and benefits from a single language that could be used at all layers of an application. Microsoft has implemented various efforts (Silverlight) for years to do the same thing. In 2013, Visual Studio 2013 was released with significant enhancements. These enhancements included improved support for languages not specific to Microsoft's .NET framework. Many of these better supported languages are on my list in this post: JavaScript, HTML, CSS, and Python.

Groovy

Groovy's 2.0 release (including static compilation support) made 2012 a big year for Groovy. Although 2013 did not see as significant of enhancements in the Groovy language, the year did start out with the announcement of Groovy 2.1. Perhaps the biggest part of that 2.1 release was Groovy's full incorporation of Java SE 7's invokedynamic, a major Java SE enhancement intended for non-Java languages like Groovy.

Groovy 2.2's release was announced toward the end of 2013. This release improved Groovy's invokedynamic support by adding OSGi manifests to the Groovy's invokedynamic-based JARs.

In The Groovy Conundrum, Andrew Binstock writes that "with the performance issues behind it, Groovy is a language primed for widespread use," but warns that Groovy is a language that is "easy to learn, but hard to master."

As is mentioned more than once in this post, Groovy has had a lot of additional exposure in 2013 thanks to Gradle's rapidly rising popularity. I believe that Gradle will continue to introduce Groovy to developers not familiar with Groovy or will motivate developers who have not looked at Groovy for some time to look at it again.

Scala

It seems to me that Scala continues to gain popularity among Java developers. I continue to see Scala enthusiasts gushing about Scala on various Java and JVM blog comments and forums. One piece of evidence of Scala's continuing and increasing popularity is the number of new books published in 2013 with Scala in their title. These include Scala in Action, Scala Cookbook: Recipes for Object-Oriented and Functional Programming, Functional Programming Patterns in Scala and Clojure: Write Lean Programs for the JVM, Scala Design Patterns: Patterns for Practical Reuse and Design, Play for Scala, Scala Object-Oriented Programming, and Getting Started with SBT for Scala.

For a much better background on what made 2013 a big year for Scala, see Jan Machacek's This Year in Scala (2013).

Ceylon

November 2013 saw "the first production release of the Ceylon language specification, compiler, and IDE." This announcement, available online at Ceylon 1.0.0 is now available, also states, "Ceylon 1.0 is a modern, modular, statically typed programming language for the Java and JavaScript virtual machines." Ceylon offers an Elipse-based IDE and has a formal specification. One of the factors favoring a successful future for Ceylon is its Red Hat sponsorship.

Kotlin

Kotlin is another language that compiles to the Java Virtual Machine or to a JavaScript virtual machine. It also has a strong sponsor in the world of Java in JetBrains, the company behind IntelliJ IDEA. 2013 saw several new releases of Kotlin: Kotlin M5.1, Kotlin M6, Kotlin M6.1, and Kotlin M6.2. I found the blog post Programming Android with Kotlin interesting because it demonstrates use of Kotlin and Gradle to build an Android application.

Go

The Go programming language has had strong backing from Google and continues to receive significant online coverage. Go 1.1 and Go 1.2 (with apparently improved performance) were both released in 2013. Of special interest to me is Go's advertised source code backwards compatibility for all versions 1.x.

Camel

2013 was a big year for Apache Camel, the tool that "empowers you to define routing and mediation rules in a variety of domain-specific languages." Camel-related developments in 2013 included the release of 2.11.0, release of 2.12.0, and release of 2.12.2. These frequent releases and the addition of a new committer and PMC member are among the signs of a healthy open source project.

The release of the Camel Essential Components (DZone Refcardz #170) kicked off 2013 for Camel. Camel got increased attention on software development social media sites in 2013. Zemian Deng's Getting started with Apache Camel using Java was syndicated on Java Code Geeks (as was his Apache Camel using Groovy Introduction) and Niraj Singh's Introduction to Apache Camel was also syndicated on Java Code Geeks. AndrejV's entire blog Just Did Some Code has so far (5 posts in 2013) been devoted to coverage of Camel!

Spring Boot

It's still early to tell because Spring Boot is currently only at version 0.5, but Spring Boot has potential to be be widely adopted and used in the future. It looks like Spring Boot is inspired by and takes advantage of some of the best ideas in Ruby on Rails and Groovy and applies them to easy generation of Spring Framework-based applications.

Python

As stated earlier, Big Data is big and Python is getting a share of that Big Data action. The Continuum Analytics post Python for Big Data states, "Python is a powerful, flexible, open-source language that is easy to learn, easy to use, and has powerful libraries for data manipulation and analysis. ... Python has a unique combination of being both a capable general-purpose programming language as well as being easy to use for analytical and quantitative computing." Tal Yarkoni echoes this statement and observes that his "scientific computing toolbox been steadily homogenizing" on Python.

Python 3.3.1, Python 3.3.2, and Python 3.3.3 were all released in 2013. Cython has joined Pyrex as an alternative for easily writing C extensions with Python syntax and there is even a book on Learning Cython Programming.

The article Python 3.4.0 goes to beta with slew of new modules talks about some of the new features coming with Python 3.4.0 (beta) such as a standard enumeration construct. The article also points out that one of the biggest frustrations with Python remains: the two versions of the language (2.x and 3.x) and no easy route from 2.x to 3.x. From a Java development perspective, I find this interesting because there was a time when arguments like Bruce Eckel's ("People who don't want to deal with these changes don't upgrade, and those people tend not to upgrade anyway") seemed logical and sensible. However, it's not quite as easy as it sounds, particularly when one starts to realize the impact of this on the entire set of products, libraries, and frameworks written for a language that can be heavily impacted and perhaps not usable for some time if ever with the new language.

PHP and HHVM

2013 saw the formal release of the PHP 5.5.x versions: PHP 5.5.0, PHP 5.5.1, PHP 5.5.2, PHP 5.5.3, PHP 5.5.4, PHP 5.5.5, PHP 5.5.6, and PHP 5.5.7.

At the beginning of 2013, Gabriel Manricks outlined reasons Why 2013 is the Year of PHP. Specifically Manricks described tools such as Laravel (including Eloquent ORM), Composer (dependency manager, including Packagist), and PHPUnit (test-driven development in PHP).

The Facebook project HHVM (HipHop Virtual Machine for PHP) was initially released in 2010, but seemed to see a lot more attention in 2013. The original HPHPc compiler compiled PHP into C++ and was another manifestation of the drive to use a single language for authoring an application even if its compiled form was different. The availability of the open source HipHop Virtual Machine (HHVM) for PHP should help address performance issues with PHP; that is seemingly Facebook's primary reason for developing it.

Android Studio

Android Studio was announced at Google I/O 2013 as "a new IDE that’s built with the needs of Android developers in mind" that is "based on the powerful, extensible IntelliJ IDEA Community Edition."

Cloud Computing

Interest in cloud computing remained strong and continued to grow rapidly in 2013. Many of the other items discussed in this post (Big Data, security, technical dysfunctions, etc.) have strong relationships to cloud computing. For more on the biggest cloud stories on 2013, see The 10 Biggest Cloud Stories Of 2013.

Internet Explorer 11

I have not used Internet Explorer except when forced to for a number of years. For a long time, I used Firefox almost exclusively and in recent years I've used Google Chrome almost exclusively on PCs and Firefox on Linux. When I have been forced by a particular web site to use Internet Explorer, I have done reluctantly and am reminded of the much slower performance of the browser than I'm used to in terms of startup and even navigation. I have noticed over this Christmas break, however, when I had to install Internet Explorer 11 manually because the automatic process kept failing, that it's a lot faster than even Internet Explorer 10 was. I still won't make it my primary browser, but it's nice that it performs much better when I do need to use it (such as to play Atari Arcade games without advertisements).

Internet Explorer 11 offers advantages for developers as well as users of the browser. Advertised benefits for developers (and by extension for users of these developers' applications) are improved standards compatibility, new F12 developer tools,

It's not all positive for Internet Explorer 11. Some people seem to want to downgrade to Explorer 10 and reportedly Internet Explorer 11 is presenting some problems for users of Microsoft's own CRM application (after earlier reportedly breaking Google and Outlook access).

It surprises me a bit that the main Microsoft IE URL (http://windows.microsoft.com/en-us/internet-explorer/download-ie) referenced by the Internet Explorer 11 Guide for Developers still advertises downloading of Internet Explorer 9, a version of that browser that Google has already stated they will no longer support.

Windows 8 Not As Successful

Windows 8 seems to be experiencing similar disappointment after Windows 7 that Windows Vista experienced after Windows XP. In fact, The 10 Biggest Software Stories Of 2013 states, "So it looks like Windows 7 will become the new Windows XP -- better get those downgrade rights ready."

Raspberry Pi

The Raspberry Pi continues to catch a lot of interest (2 million had been sold as of October of this year). There were seemingly endless posts on how to do a wide variety of things with the Raspberry Pi. Some of these that stood out most to me are Premium Mathematica software free on budget Raspberry Pi, GertDuino: An Arduino for Your Raspberry Pi, How an open-source computer kit for kids based on Raspberry Pi is taking over Kickstarter, Running OpenJFX on Raspberry Pi, and Simon Ritter: Do You Like Coffee with Your dessert? Java and the Raspberry Pi.

DevOps

The 10 Biggest Software Stories Of 2013 points out that "Cisco, Google and VMware last year invested in Puppet Labs" and that "another DevOps player, Opscode, raised $32 million and changed its name to Chef, the name of its flagship product."

Twitter Bootstrap

Bootstrap (alternatively known as Twitter Bootstrap and Twitter Blueprint) has become so popular and prevalent that there is now a popular (one of DZone's top posts in 2013)

post stating Please stop using Twitter Bootstrap. In August 2013, two years after the public release of Bootstrap, Bootstrap 3 was released (with 3.0.3 released in December). Everybody Should Code

The conversation of whether everybody should or code write code and develop software continued in 2013. Jessica Gross's writes about 10 places where anyone can learn to code and Megan O'Neil's article A Start-Up Aims to Teach Anyone to Write Computer Code features one of these places (Codecademy). Kevin Lindquist writes that software development isn’t just for coders anymore. Katie Elizabeth lists the reasons why everyone should learn to code while Chase Felker wonders if maybe not everybody should learn to code.

In 2013, President Obama (United States) asked America to learn computer science and it may be one of the few things Republicans and Democrats agree on, but Philip Bump argues, No, Mr. President, Not Everyone Needs to Learn How to Code.

SQL Strikes Back

NoSQL implementations have been all the rage for years, but 2013 seemed to present some resurgence in interest in SQL. Some NoSQL implementations added SQL or SQL-like syntax. SQLstream announces Return of the King: The Structured Query Language Is Back! and Jason Levitt and Sean Gallagher write "The hot new technology in Big Data is decades old: SQL."

The truth is that SQL never really went away and is heavily entrenched in software systems, but what is really interesting 2013 is the new thought and effort put into SQL development. word of Google's F1 SQL database ("a hybrid database that combines high availability, the scalability of NoSQL systems like Bigtable, and the consistency and usability of traditional SQL databases") is an example of this. Seth Proctor asks Do All Roads Lead Back to SQL? and writes of "NewSQL." In Software Development Trends for 2014, Werner Schuster states that "Many NoSQL DBs come with SQL or SQL-like languages" and asks, "Are SQL skills back in fashion?"

Conclusion

2013 may be remembered in popular culture as the year of selfies, but the developments in the software development world were far more substantive. In particular, it is interesting to see how developers in general are beginning to (or are remembering to) appreciate the ability to write an application front-to-back in a single language and to write responsive designs to that an application need be written only once for multiple platforms. The advantages of these approaches are not new to JVM (Java/Java EE) or CLR (.NET) developers, but seem to now be better appreciated by the more general developer community.

Previous Years' Significant Software Development Developments

The following are my posts similar to this one on items that I thought were of special import to software development in those respective years. I could definitely go back and add to some of these with things I've learned about since then for each of these years.

Thứ Ba, 9 tháng 4, 2013

Becoming Acquainted with Scala

There are many touted benefits of the Scala programming language, especially for Java developers. Among others, Scala's advertised strengths and advantages include the following:

  • Runs on the Java Virtual Machine (JVM)
    • Able to run on numerous hardware and operating systems platforms
    • Access to rich set of libraries and functionality in the JDK
    • Access to the broad Java ecosystem and its wealth of open source libraries and frameworks
    • Access to JVM features such as concurrency support and optimization
  • Supporting Functional and Object-oriented Paradigms
  • Statically Typed
  • Concise Syntax
  • Documentation
  • Maturity

The advantage Scala offers by running on the JVM are the same as those for the other numerous languages that run on the JVM such as Groovy, Jython, JRuby, Clojure, and Kotlin. However, the entire set of Scala offerings distinguishes it from the other languages.

One trait of Scala that distinguishes it from some of the other JVM-based languages is its being statically typed and static compilation. Groovy 2.0 introduces static compilation for Groovy, but several of the other JVM-based languages do not embrace static typing and static compilation because the language they emulate (such as Ruby or Python) are not static. Many developers do prefer dynamic typing, but for those of us who enjoy the advantages of static compilation and are comfortable with it from years of C, C++, and Java development, this is a welcome attribute of Scala. Static typing not only allows the compiler to do more work for me, but it makes it easier to develop better tools for the language.

Now that Groovy offers static typing and compilation, a more important differentiating factor when comparing Groovy and Scala is Scala's offering of functional programming paradigms. There are purported advantages of taking a more functional approach to software development, especially in terms of concurrency. Scala provides an opportunity for Java developers to experiment even more with the functional programming paradigm while keeping the ability to use object-oriented principles and enjoy the advantages of that paradigm. Clojure is an example of a language that more fully moves into the functional paradigm, leaving object-oriented approach behind.

One of the strengths of Scala that appeals to me most is the thorough documentation built around this language. The documentation tends to be clear and current. For example, the Getting Started with Scala document clearly and succinctly explains how to configure Windows or Linux/Unix for a Scala environment, how to run the Scala interpreter, how to script Scala, how to compile Scala, and how to execute Scala code. All of this is covered well in the equivalent of 2 printed pages.

Obtaining and configuring Scala is easy, especially if you have a version of the Java SDK already installed (Java SE 1.6 or later). Scala can be downloaded from the Scala Distribution page. There are multiple formats available for download and I downloaded the Scala 2.10.1 ZIP file for Windows. "Installation" was as simple as unzipping the contents of the ZIP file into my C:\scala-2.10.1 directory. I created a system-level environment variable SCALA_HOME that points to this directory and then added %SCALA_HOME%\bin to my system's Path environment variable. The reason I defined a SCALA_HOME environment variable to use in my Path instead of directly including the Scala installation directly in the Path is so that I can easily change the version of Scala in the future by simply changing the SCALA_HOME setting (this is also a way to switch between multiple versions of Scala installed on the same machine if necessary). Note that on Linux/Unix systems, ${SCALA_HOME} would be used instead of %SCALA_HOME%.

With the downloaded Scala archive file extracted into a directory on my system whose "bin" subdirectory is on my path, I can now open a terminal to see if Scala is configured properly. This is shown in the next screen snapshot where I use the command scala -version to see the version of Scala that has been installed and configured.

Another thing I like to do when first using a newly installed product is display its usage or help information. The next screen snapshot indicates doing this with Scala (scala -help).

The help information for the Scala launcher (scala) references support for all options supported by the Scala compiler (scalac). The next screen snapshot shows running that command to see those numerous options that apply to both scalac and scala.

Typing in "scala" at the command line without an option opens the Scala interpreter. This is shown in the next screen snapshot.

Access to the Scala interpreter allows me to start easily playing with Scala. I'll use the interpreter now to look at a few basics of Scala. The next screen snapshot shows how an arbitrary expression can be typed into the Scala interpreter and, if its valid syntax, will be processed and automatically assigned to a variable called "res0". In this case, the sum of adding 5 to 6 is set to "res0." The "res0" variable can then be used in the next evaluation, adding two to it. That sum, 13, is then automatically assigned to "res1". When I attempt to reassign the automatically generated "res0" to the value of 4, I see the error message: "error: reassignment to val."

The error just shown demonstrates one of the things I like about Scala; it allows differentiation of variables and constants (often referred to as mutable and immutable values). The val keyword is implicit in the implicitly created values. However, a Scala developer who declares his or her own variables and constants can explicitly use the keyword "val" to specify a constant and explicitly use "var" to specify a variable. This is demonstrated in the next screen snapshot.

To complete my "introduction to Scala" post, it is requisite that I include a "Hello, World" example in Scala. This example is actually provided in the already mentioned excellent Getting Started with Scala, but I include it here for convenience and to show how to compile and execute Scala source code.

HelloWorld.scala

object HelloWorld
{
def main(args: Array[String])
{
println("Hello, world!")
}
}

There are a few observations that can be made from looking at this simple code: Scala allows use of a new keyword "object" to specify a Scala object (singleton instance) and declares the name of the argument BEFORE the type of the argument (same applies to local variable/constant declarations). The code sample also shows that, like Groovy, Scala does not require java.lang.System.out to be explicitly statically imported or System.out.println to be spelled out each time used, uses the keyword "def" to define the main method, and does not require semicolons as long as each statement has its own line.

The next screen snapshot shows the contents of my HelloWorld.scala source file, shows running the Scala application without an explicit compilation step (it is compiled implicitly), shows compiling that source with scalac HelloWorld.scala, shows the two generated .class files that result from the compilation process, and shows running the simple Scala application with scala HelloWorld again.

Scala's perceived complexity and academic pedigree have scared some away from looking at Scala. Although Scala does appear to offer some extremely powerful and correspondingly complex features, the Scala language has many features that are not complex and are highly approachable. This post has demonstrated how easy it is to begin using Scala.

Thứ Hai, 31 tháng 12, 2012

Significant Software Development Developments of 2012

I have written before (2007, 2008, 2009, 2010, 2011) on my biased perspective of the most significant developments in software development for that year. This post is the 2012 version with all my biases and skewed perspectives freely admitted.

10. Groovy 2.0

Groovy 2.0 have been an important version for Groovy. Groovy 2's arguably most notable new features are its static type checking and static compilation capabilities.

9. Perl Turns 25

Perl celebrated its 25th anniversary in 2012. Love it or loathe it, Perl has definitely become the predominant scripting language, especially in the non-Windows environments. Perl is not my favorite (I'd rather use Groovy, Python, or Ruby), but I find myself needing to use it at times, usually because I'm modifying or using an existing script or set of scripts already written in Perl. Happy Birthday, Perl!

8. Git and GitHub

Git is the trendy choice now in version control and GitHub is equally trendy for hosting code. The post Why Would Anyone use Git in their Enterprise? states, "Git has a cult-like following in the development community." The book Pro Git (2009) is freely available for reading online and can be downloaded as a PDF, mobi, or ePub electronic book.

7. NoSQL and Polyglot Persistence

The NoSQL concept seems to be maturing and moving from unabated hype and hyperbole to understanding when it works well and when it doesn't. In 7 hard truths about the NoSQL revolution, Peter Wayner writes: NoSQL systems are far from a perfect fit and often rub the wrong way. The smartest developers knew this from the beginning. ... the smart NoSQL developers simply noted that NoSQL stood for "Not Only SQL." If the masses misinterpreted the acronym, that was their problem.

Martin Fowler's nosql page states: "The rise of NoSQL databases marks the end of the era of relational database dominance. But NoSQL databases will not become the new dominators. Relational will still be popular, and used in the majority of situations. They, however, will no longer be the automatic choice." With this, Fowler introduced the concept of polyglot persistence (which he mentions was previously coined by Scott Leberknight in 2008) and explicitly compared this to the concept of polyglot programming. If we as a software development community believe that the advantages of using multiple languages in the same application (polyglot programming) are worth the costs, then it follows that we might also determine that the advantages of using multiple data stores within the same application (polyglot persistence) are also worth the costs of doing so.

6. Mobile Development

Mobile development continues to rapidly rise in 2012. The December 2012 write-up on the Tiobe Index states that Objective-C is likely to be the language of the year again in 2012 due to its rapid rise (third in December 2012 behind only C and Java and ahead of C++ and C#). The writers of that summary conclude about language ratings on this index, "In fact it seems that if you are not in the mobile phone market you are losing ground."

Suzanne Kattau's post Mobile development in the year 2012 succinctly summarizes the changes in popular mobile device platforms and operating systems in 2012.

5. Scala (and Typesafe Stack 2.0 with Play and Akka)

I have highlighted Scala multiple times in these year-end review posts, but this is my highest rating of Scala because Scala has seen a tremendous year in 2012. On 23 August 2012, Cameron McKenzie asked, "Is Scala the new Spring framework?" An answer to that question might be implied by the 1 October 2012 announcement that Spring founder Rod Johnson had joined Typesafe's Board of Directors (Johnson left SpringSource in July). Scala provides the intersection of again-trendy functional programming with widely popular and proven object-oriented programming and is part of the increasingly popular movement to languages other than Java on the JVM. It's not difficult to see why it had a big year in 2012.

The Typesafe Blog features a post called Why Learn Scala in 2013? that begins with the statement, "2012 was a big year for the Scala programming language - with monumental releases, adoption by major enterprises and social sites alike and a Scala Days conference that knocked the socks off years past." The post then goes on to list reasons to learn Scala in 2013 with liberal references to other recent positive posts regarding Scala.

Ted Neward has predicted that in 2013 "Typesafe (and their Scala/Akka/Play! stack) will begin to make some serious inroads into the enterprise space, and start to give Groovy/Grails a serious run for their money." I am not calling Play and Akka out in this post as separate significant developments in 2012, but instead lump them together with Scala as part of justifying Scala taking the #5 spot for 2012. There is no question, however, that 2012 was a big year for Akka and Play. The year 2012 saw the release of Typesafe Stack 2.0 along with Play 2.0 and Akka 2.0.

4. Big Data

Big Data was big in 2012. AOL Government has named Big Data its Best of 2012 for the technology category. Geoff Nunberg argues that "'Big Data' Should Be The Word Of The Year." Interest in the statistical computing language R has (not surprisingly) risen along with the surging interest in Big Data.

3. HTML5

2012 was another big year for HTML5. Although HTML5 continued to be evangelized as a standards-friendly favorite of developers, some hard truths (such as performance versus native code) about the current state of HTML5 also became more readily obvious.

That being stated, I think HTML5 still has a very positive future ahead of it. Although it has certainly been over-hyped with emphasis on what it might one day become rather than what it is today, it would also be foolhardy to ignore it or underestimate its usefulness. Two articles that remind us of this are FT exec: HTML5 is not dead and HTML5 myth busting. The article 'HTML5 is ready' say creators of mobile HTML5 Facebook clone talks about attempts to prove HTML5 is ready today from a performance standpoint.

2. Security

Awareness of security holes, risks, and vulnerabilities has been increasing for the past several years largely due to high-profile incidents of lost sensitive data and new legal requirements. However, 2012 seemed to be a bigger year than most in terms of increasing awareness of security requirements and expectations in software architecture and design.

Java seemed to be particularly hard hit by bad security news in 2012. Articles and posts that provide examples of this include 1 Billion computers at risk from Java exploit, Oracle's Java Security Woes Mount As Researchers Spot A Bug In Its Critical Bug Fix, Java Vulnerability Affects 1 Billion Plug-ins, Another Week, Another Java Security Issue Found, Oracle and Apple Struggle to Deal with Java Security Issues, and Java still has a crucial role to play—despite security risks.

The article Oracle to stop patching Java 6 in February 2013 suggests that users of Java should upgrade to Java 7 before February 2013 when Oracle will supply the last publicly available security patch to Java SE 6 outside of an Oracle support plan. Another article is called Oracle's Java security update lacking, experts say.

1. Cloud Computing

It seemed like everybody wanted a cloud in 2012 even if they didn't really need one. Archana Venkatraman put it this way, "2012 was the year cloud computing hit the mainstream." Steve Cerocke stated, "2012 will go down as the year of cloud computing." Other articles and posts on the biggest cloud stories of 2012 include The 10 Biggest Cloud Stories Of 2012 and Top five cloud computing news stories in 2012.

Cloud Computing is in the sweet spot many trendy technologies and approaches go through when enthusiasm is much greater than negativism. Charles Babcock's Cloud Computing: Best And Worst News Of 2012 is more interesting to me than many cloud-focused publications because it highlights the good and the bad of cloud computing in 2012.

Honorable Mention

I couldn't fit everything that interested me about software development in 2012 into the Top Ten. Here are some others that barely missed my cut.

C

As mentioned earlier, the C programming language appears headed for #1 on the Tiobe Index for 2012. One of programming's most senior languages is also one of its most popular. When one considers that numerous other languages are themselves built on C and when one considers that many languages strive for C-like syntax, the power and influence of C is better appreciated. C's popularity has remained strong for years and 2012 was another very strong year for C.

Another piece of evidence arguing C's case is the late 2012 O'Reilly publication of Ben Klemens's book 21st Century C: C Tips from the New School. The author discusses this book and C today in the O'Reilly post New school C.

Although I have not written C code for several years now, I've always had a fondness for the language. It was the language I used predominately in college (with Pascal and C++ being the other languages I used to a less degree) and I wrote the code for my electrical engineering capstone project in C. I remember (now fondly) spending almost an entire Saturday on one of my first C assignments fighting a bug to only realize that it was not working because I was using the assignment operator (=) rather than the equality operator (==). This lesson served me well as I learned other languages in terms of both what it important to differentiate and in terms of how to better debug programs even when a debugger is not readily available. I think my C experience grounded me well for later professional development with C++ and Java.

Gradle 1.x

Using an expressive programming language rather than XML or archaic make syntax to build software seems like an obviously beneficial thing to do. However, make, Ant, and Maven have continued to dominate in this area, but Groovy-based Gradle shows early signs of providing the alternative we've all been looking for. Gradle still has a long way to go in terms of acceptance and popularity and there are many other build systems with some of Gradle's ideals that have failed, but Gradle did seem to capture significant attention in 2012 and can hopefully build upon that in future years. Gradle 1.0 was formally released in June 2012 and Gradle 1.3 was released in November 2012.

DevOps

Among others, Scott Ambler predicted that "DevOps will become the new IT buzzword" in 2012. If it is not "the" buzzword of 2012, it is not for a lack of trying on the DevOps evangelists' part. The DevOps movement continued to gain momentum in 2012. The DZone DevOps Zone sees one or more posts on the subject added each day. The only reason this did not make it into my Top Ten is that I still don't see "Typical Everyday Coder" talking about it when I am away from the blogosphere talking to in-the-trenches developers.

Amber's concluding paragraph begins with this prediction, "Granted, there’s likely going to be a lot of talk and little action within most organizations due to the actual scope of DevOps, but a few years from now, we’ll look back on 2012 as the year when DevOps really started to take off." Only time will tell. There continue to be posts trying to explain what exactly DevOps is.

Departures of Noteworthy Development Personnel

There were some separations of key developers from their long-time organizations in 2012. As mentioned previously, Spring Framework founder Rod Johnson left VMWare/SpringSource (and ultimately ended up on the Board of Directors for Scala company Typesafe). Josh Bloch, perhaps still best known for his work at Sun on the JDK and for writing Effective Java, left Google in 2012 after working there for eight years.

Resurgence of Widely Popular but Aged Java Frameworks

Two very popular long-in-the-tooth Java-based frameworks saw a resurgence in 2012. Tomek Kaczanowski recently posted JUnit Strikes Back, in which he cites several pieces of evidence indicating a resurgence in JUnit, arguably the most commonly used testing framework in Java (and, in many ways, the inspiration for numerous other nUnit-based unit testing frameworks). Christian Grobmeier's recent post The new log4j 2.0 talks about many benefits of Log4j2 and how it can be used with more recently popular logging frameworks such as SLF4J and even Apache Commons Logging.

Electronic Books (E-books)

Electronic books (ebooks) are becoming widely popular in general, but also specifically within software development books. This is not surprising because e-books provide many general benefits, but also have benefits particular to software development. In particular, it is nice to be able to electronically search for terms (overcoming the poor index problem common to many printed programming books). Other advantages include the ability to have the book on laptops, mobile devices, e-readers, and other portable devices. This not only makes a particular book readily available, but makes it easy to carry many books on many different technical subjects with one on travel. It is also less likely for the electronic book to be "borrowed" unknowingly by others or turn up missing.

Perhaps the biggest advantage of electronic books is cost. It is fairly well known that technical books are generally not big profit makers for publishers. However, with printing and distribution costs being a significant portion of traditional publication costs, e-books make it easier to publishers to price these books at a lower cost than the printed equivalent.

The reduced cost to the publisher for an electronic book can be passed onto the consumer. I recently took advantage of an offer from Packt Publishing to purchase a total of eight of their books as electronic books for a total price of $40. Given that a single printed programming book can cost $40 or more, this was a bargain. I have also blogged on other good deals on e-books provided by other technical publishers such as O'Reilly and Manning.

I have especially appreciated the Manning Early Access Program (MEAP). This program is only viable thanks to electronic books and allows readers to read a book as it is developed. Because technologies change so quickly, it is often helpful to get access to even portions of these books as quickly as possible.

Finally, another advantage of e-books is their ultimate disposal. In reality, they take up such a small portion of even an old-fashioned CD or DVD, that I can usually dig up a copy if I want to. However, I can remove them from my electronic devices when I no longer need them and need the space. There are no environmental or logistic concerns about their disposal. This is important because these books do tend to get outdated quickly and sometimes an outdated programming book is worse than having no book at all because it can be very misleading.

PhoneGap / Cordova

Given the popularity of mobile development and HTML5 in 2012, it's not surprising that PhoneGap and Cordova had big years in 2011/2012. In the web versus native debate, one of the advantages of web is the portability of web apps across multiple devices. The PhoneGap/Cordova approach brings some of this benefit for writing code but maintains some of the performance advantages of running native applications.

Objective-C

Objective-C looks to win the Tiobe Index language of the year again in 2012. This is yet another indicator of mobile development prevalence as Objective-C's popularity is almost exclusively tied to iPhone/iPad development, though Objective-C's history is closely coupled with the NeXT workstations and even has been called an inspiration for Java (advertised as quoted by Patrick Naughton) instead of C++.

Kotlin

For several years now, it has been trendy for the "cool kids" to post feedback messages on articles or blogs about Java features proclaiming that Groovy or Scala does anything covered in that blog post or article better than Java does it. Many of the "cool kids" (or maybe different "cool kids" with the same modus operandi) now seem to be doing the same on Scala blog posts and articles, advocating the advantages of Kotlin over Scala.

As Scala and Groovy still lag Java in terms of overall popularity and usage, Kotlin lags both Groovy and Scala in terms of adoption at this point. However, there are definitely some characteristics of Kotlin in its favor. First, the Kotlin web page describes the language as, "a statically typed programming language that compiles to JVM byte codes and JavaScript." I could definitely see how "statically typed" and "compiles ... to JavaScript" would be endearing to developers who must write JavaScript but prefer static compilation. Andrey Breslav, Kotlin Project Lead, believes that static languages compiling to "typed JavaScript" will be a major development of 2013 and he cites Dart and TypeScript as other examples of this. Being able to run on the JVM can also be an advantage, though this is no different than Groovy or Scala.

One major positive for Kotlin is its sponsor: JetBrains. It is likely that their IDE, IntelliJ IDEA, will provide elegant support for the Kotlin language. This is also a sponsor/owner with the resources (monetary and people) to improve chances for success. Because JetBrains is "planning to roll out a beta of Kotlin and start using it extensively in production," they are more likely to continue investing resources in this new language.

There was no way I could justify to myself putting Kotlin in my top ten for 2012, but once it is released for production use, it is possible that Kotlin may make another year's Top Ten list if it is widely adopted.

Ceylon

Kotlin isn't the only up-and-coming static language for the JVM; Ceylon is also relatively young in this space. I wrote about the JavaOne 2012 presentation Introduction to Ceylon and that post provides brief overview and description information.

The first milestone of Ceylon IDE (Eclipse plug-in) was released in early 2012 and was followed in March with the release of Ceylon M2 ("Minitel"). This was followed by the Ceylon M3 ("V2000") release in June and Ceylon M4 ("Analytical Engine") in October.

The newer JVM-friendly languages with the seeming best chances of long-term viability are those with strong sponsors: Groovy has SpringSource, Scala has TypeSafe, Kotlin has JetBrains, and Ceylon has RedHat.

End of Oracle/Google Android Lawsuit

The lawsuit between Oracle and Google over Android seems to have, for the most part, concluded in 2012. There still seems to be bad blood between the two companies, but the settlement of this probably allows for continued success of the Android platform and potentially for collaboration at some future point between the two companies on Java. It will be interesting to see if Google allows its employees to submit abstracts to JavaOne 2013.

Everyone a Programmer

When HTML first started to expand across the universities and colleges in the early-to-mid 1990s, it seemed that everyone I knew was learning HTML. Most of us were "learning" it by copying other peoples' HTML source and editing it for our own use. Of course, everything then was static and fairly easy to pick up. It probably also skewed my perspective that I was majoring in electrical engineering with an emphasis in computer science and so was around people who had a tendency to adopt and use new technology. Perhaps for the first time since then, I have felt that there is an ever-growing interest in pushing everyone to learn how to program at a certain level. I don't need to provide any supporting points for this because I can instead reference Joab Jackson's 2012: The year that coding became de rigueur. Not only does this post enumerate several examples of the debate about whether everyone should learn programming, but it also makes cool use of "de rigueur" in its title.

Java

I did not include Java itself in my Top Ten in 2012. Perhaps this is an indication that I too felt that 2012 was a slow year for Java (and agree that this is not necessarily a bad thing). That being stated, Martijn Verburg has listed some "personal highlights of the year" in the world of Java in 2012 in What will 2013 bring? Developers place their bets. These include the JVM's entry into the cloud, Java/JVM community growth, OpenJDK, Java EE 7, and Mechanical Sympathy.

It's a small thing in many ways, but I think James Gosling returning to JavaOne and throwing out t-shirts was symbolic of a strengthening resurgence among an already strong Java development community.

Jelastic

Java on the cloud in general had a big year in 2012. Jelastic had a particularly big year. The screen snapshot below is from an e-mail sent out by Jelastic COO Dmitry Sotnikov.

Jelastic was prominently mentioned at JavaOne 2012 multiple times. Some of these mentions were due to winning the Duke's Choice Award for 2012. Other mentions resulted from James Gosling's positive review of his use of Jelastic. As I blogged on earlier, Gosling described himself as "a real Jelastic fan" at the JavaOne 2012 Community Keynote.

Linux-based ARM Devices

Oracle announced release of a Linux ARM JDK in 2012. The ability to run even JavaFX on Linux ARM devices provides evidence of Oracle's interest in supporting Linux ARM devices. Given that Oracle is well-known for investing in areas where returns are often great, it follows that perhaps Oracle sees great potential for the Linux ARM devices in the future. An interesting article that looks into this is Java 8 on ARM: Oracle's new shot against Android?

One couldn't go to a keynote presentation at JavaOne 2012 without hearing about one very trendy Linux ARM Device, the Rasperry Pi. Similarly, the BeagleBoard and PandaBoard have also become very popular.

Improving Job Market for Software Developers

2012 seemed to be a good year for those with careers in software development and this seems likely to continue. CNN Money ranked software developer as #9 in its Best Jobs in America story (software architect was #3). For example, Lauren Hepler has written that Software developers top 2013 job projection and cites a Forbes slides-based presentation.

Perhaps more importantly than these stories are my anecdotal observations of a surging market for software developers. I have seen an uptake in number of unsolicited employment queries from potential employers and clients. I am also seeing an increase in billboard advertising for developers, especially in areas of the United States with high concentrations of software development. This improving job market might be one of many reasons for increasing interest in programming in general.

Other Resources

There are other posts of potential interest. Katherine Slattery's Takeaways from the Top Development News Stories of 2012 talks about the Node.js "hype cycle," open source hardware, native apps versus HTML5 apps, and the "'learn to code' craze."

Ted Neward's annual predictions (for 2013 in this case) and review of his prior year (2012 in this) predictions is an interesting read.

Conclusion

2012 was another big year in software development across many different areas and types of development. Many of the themes discussed in this post overlap and are somehow associated with mobile development, cloud computing, and greater availability of data.