Well, the first thing that comes to my mind whenever I think about Java as a programming language is its ubiquity, well if you are familiar with the language and the vast number of applications that its employed in then it is not hard to see this language being put to use by people in different arenas, whether it is hardcore software development or electronic equipments or any other software lurking in the cyber space java development rules them all and has had a lasting impression on the development community as a whole. This fact can also be reinforced by this statement made by Jonathan Schwartz who was a former vice president of a software group at sun.

“Java is pervasive in clients, servers, desktops, handheld devices, and Web services. The majority of Web services that are built today are going to be built using Java, About a half-billion desktops run Java ”

Java is open source, robust, dynamic, it is simple and most importantly it is the most apropos language for online application development as it supports cross platform portability as its foremost objective combine all these factors with the following one besides providing solutions for some of the most astounding problems java is still simple to learn and is definitely a programmer’s language, these facts definitely catapult Java to the forefront of programming languages of choice.

One domain which fruitfully using the powerful ability of the language is e-learning and there is innumerable testimony’s to this fact, but first let us start with the standard wiki definition of what e-learning actually is: e-learning comprises all forms of electronically supported learning and teaching. The information and communication systems, whether networked learning or not, serve as specific media to implement the learning process. The term will still most likely be utilized to reference out-of-classroom and in-classroom educational experiences via technology, even as advances continue in regard to devices and curriculum. Many automated testing services like CAT( Computer Adaptive Test ) , GRE ( Graduate Record Examination ) , TOEFL-IBT( Internet Based Testing ) , GMAT( Graduate Management Aptitude Test ) and many others like these already make use of sophisticated java development technologies to make the testing easier and a pleasurable experience for the candidate, e-Learning has now been adopted and used by various companies to inform & educate both their employees and customers. We have seen that e-leaning software is in great demand these days. Companies with large and spread out distribution chains use it to educate their sales staff as to the latest product developments without the need of organizing physical courses. Compliance has also been a big field of growth with banks using it to keep their staff’s CPD’s level up, Olat is one such Java-based, Ajaxed and open source web-based learning management system. It has become possible in recent times to make applications such as these with ease and flexibility.

Technology enhanced learning (TEL) has the goal to provide socio-technical innovations (also improving efficiency and cost effectiveness) for e-learning practices, regarding individuals and organizations, independent of time, place and pace and Java seems to be the best solution catering to needs of such technologies making learning and educating much more simpler, easier and effective. Growth is evident having various e-learning software in the market. The e-learning industry is estimated to be worth over $50 billion according to conservative estimate and hence the role of Java and other complementary technologies becomes all the more pivotal. Hence the programmers in various development circles are urged to take up java as a development platform and leverage the capabilities of the language to provide something more significant and substantial for the consumers making education all the more worthwhile and gainful for posterity.

With reference to my last post on performance testing and engineering, I would like to add; like a pilot before takeoff, the performance test engineer has a checklist of items to validate before kicking off the load test. Prior to testing, it is the PE’s responsibility to coordinate the test schedule, the start time and duration of testing, with both the testing monitors and system users.

In addition to the performance test engineer, it is not unusual for additional resources to monitor the test and/or collect metrics during the test. For example, DBAs may track database server activity, Network folks the network traffic, as well as other SMEs responsible for the Web and Application servers. Users may want to conduct live testing to experience performance during the test. It is also imperative that other potential users of the test environment are aware of the exclusive use of the test environment for the duration of the performance test period. Failure in this area can result in skewed results for your testing and frustrated slowdowns for users unaware there may be thousands of virtual workers stressing the environment.

Also desirable before executing the full load test is a short ‘smoke test’ run, with limited load, to validate your setup. For example, are your desired metrics being collected? Are your load generating servers running without unusual CPU or memory constraints? Is the database being updated correctly? Are your scripts correctly looping through your parameter data? Is the dynamic data being properly correlated? If you are running a web application, is the content of returned pages correct? In a clustered environment, are you correctly implementing Internet Protocol (IP) switching? Finally, do you notice any unusual errors?

When the above is verified, testing can begin. During testing, the performance testing engineer plays a key role, monitoring the run, making note of any anomalies observed during the test, such as machine failures, application exceptions and errors, network problems, or exhausted disk space or logs. As mentioned above, it is also a good practice to engage someone to manually perform transactions during the test, to validate the script, system and data observations.

Upon test completion, the performance test engineer quickly reviews the results for obvious indications the test was flawed and begins the analysis phase. Stay tuned for my last post for this series on performance testing and engineering.

Before performance engineers arrive at this phase in the software development lifecycle, and before they can perform their test design and preparation tasks, certain expectations should have been met. Indeed, the foundation of good test design is derived from information gathering during the early phases of the project, when specifications and requirements documentation are reviewed and discussed with the key project stakeholders. Performed properly and thoroughly, the implementation of a test design and establishment of the test environment configurations should be relatively easy undertaking.

Test design involves the creation of business process/transaction test scripts and scenarios, as defined by the previously gathered requirements. The creation of these scripts and scenarios are typically handled by one of a number of excellent automated performance testing tools currently on the market. On the high end, tools such as HP’s Loadrunner provide a best-of-breed solution, with sophisticated and feature-rich recording, testing, analysis, reporting and graphing tools. On the other end of the spectrum, free, open source tools such as JMeter provide a lot of functionality for the price.

Such automation is essential today to produce consistent and repeatable performance testing in a timely fashion. However, automation doesn’t do everything for you. It is the responsibility of the Performance Engineer to edit and enhance these scripts and scenarios to ensure unique or dynamic data (such as server ids or time stamps) are properly correlated, that the data feeds are realistic and varied to properly simulate production. It is also the responsibility of the performance test engineer to validate that transactions are implemented correctly; for example, the proper web pages are returned, database data is updated appropriately, etc.

As for the test environment, the performance test engineer checks with the technical team that all hardware components and configurations are properly set, and the database load and state are as expected. The performance test engineer also makes sure all resource utilization monitors used to gather metrics during the load test are properly setup and working.

Finally, as the ‘conductor’ of the performance test, the performance tester identifies all assigned support responsibilities (e.g. system administration, database, infrastructure support, network support, users), determines the role of each during testing and coordinates the testing schedule.

Author:

Knowledge Sharing Team at QA InfoTech is responsible for research on new tools & technologies for effective Software quality testing services across all industry verticals. QA InfoTech (an ISO 9001:2008 & CMMI III certified) is one of the leading Software QA Testing Companies with five testing “Centers of Excellence” in the United States and India. It offers end to end Performance testing services.

Android is new emerging technology in the mobile market. It has got massive adoption from mobile users. It has captured nearly 50% market of mobile users and its popularity is increasing day-by-day. It has left iPhone and other smart phones far behind in this technological race. Android applications have provided ample opportunities to both users and companies to grow vertically as well as horizontally. Android enjoys adaptations from individuals, small and medium companies and enterprises and large corporate establishment. All of the above organizations prefer Android over other platforms. This leadership position is not ‘by chance’ but have solid reasons to make this OS run on half of the smart phones worldwide. Let’s see brief review of these reasons in this article.

Price

This is most important factor in the growth of any mobile platform. Android OS is freely available in the market as it is opensource and this cut the cost of the devices overall. Due to free availability there are stiff competition among its hardware vendors this further reduce the cost of devices so you can find Android smart phone in range of $200-600. In this price range iPhone is not available and have to pay dear some costs for it.

Development Cost

Moreover, application development cost is negligible in case of Android because of two factors; one is it is Java based therefore it is easy to learn and another is availability of the developers and easy and cheap tools. Thus in compare to iPhone development which is demands learning Objective C, C++, X-code, Cocoa Touch, etc. while Android needs only Java which is easy to learn language. There are no license fee and other restrictions in case of Android development this reduces your initial investment. Your developers should not go for anyone’s approval after the development for Android. This further reduces the time to reach at the target audience.

Free Market

After development you need not go to Apple store like restricted market and you need not to register for any selling in case of Android development. Android is open market and you can sell your apps with the help of third party vendors or directly selling through your websites. While in case of iPhone you can’t sale your apps without the help of Apple store.

Security

Security aspect is fully attained when you use Linux architecture and Android is based on Linux Kernel therefore you data are secure with Android application.

HTML4, which is the standard that has guided web browser implementation for over a decade, is being replaced with HTML5. HTML4, together with JavaScript and CSS 2, made up the three foundation pillars that have defined websites for the last 10 years.

In 2011 it is now the time to start looking at replacing HTML4 with HTML5, which brings various extensions to the current standards including: 1) the canvas object to handle drawing, and display, 2) media handling and in built video, 3) a far more powerful set of style rules in CSS3.

Unfortunately at this point in time, there is a problem with desktop browsers as users often have old ones which do not comply with the newest standards.

An important drawback of the CSS, HTML4 and JavaScript holy trinity, has been the lack of multimedia and animation integration. Although mootools and jquery JavaScript libraries address the animation issues to an extent, video has (in general) only been easily cross browser / cross platform achievable with Flash.

Sites written with HTML5 only function on the newest releases of Opera, Safari or Firefox 4; IE 9 only partially implements the latest standards. However it does work on mobile internet devices; using compilers, HTML5 applications are cross compiled into iOS (iPhone), Android, Blackberry, and Windows mobile.

One important bonus is that it functions in the world of smart phones and mobile internet devices. Mobile sites coded in HTML5 not only work on different handsets, but also have many new features.

In addition to filling the gap currently patched by Adobe Flash technology, HTML5 introduces a whole new set of features in it own right, these include; 1) local data storage, 2) session storage, 3) SQL data storage.

This mix of tools undoubtebly defines HTML5 as an application development platform, although even with the addition of this comprehensive client side toolset, a server side platform of some description (php, java or .net) will invariably be needed to create a complete application.

HTML5 for Mobile Internet

Unlike PCs (desktop computers), tablets/new technology phones invariably meet the latest standards and so HTML5 can be used in the fast growing world of the smartphone, examples are the Blackberry, iPhone(iOS) and Android based phones.

Perhaps of even more significance is that HTML5 is the single standard that binds these differing technologies (e.g. the Android and iOS) together. Therefore mobile websites written in HTML5, not only have many new features but also function on different handsets.

Cross Compiling HTML5 Applications

Whilst the use of HTML5 for mobile websites is in itself exceptionally good, there is an even more significant advantage; by using compilers, HTML5 apps. can be cross compiled to function efficiently on the Android, iPhone, Windows mobile and Blackberry.

Even though HTML5 may not be taking the desktop browser world by storm, it has precipated a total change in mobile app development. Not only does HTML5 lay down a very efficient and cost effective way to develop ‘cross platform’, but also greatly reduces the expense of app maintenance in a future proof way. Over 50% of all browsing will happen on a mobile device by the end of 2012 and mobile browsers are set to exceed desktop browsers by 2013. Companies like SEOCompany4 who are at the cutting edge of mobile app development are well placed for the future; having a mobile app or site today is as important as was a website in 2001.

Software development might be one of the latest additions in English vocabulary, but it has now become an imperative part of human civilization. Alternatively known as Application Development, Software Engineering, and Software Application Development, this is all about development of a software product in a planned and structured procedure. Being a layman one can ask, why software programs are developed? Well, there are varieties of purposes. But typically, three most common purposes for which software development is required. Software is developed to satisfy the specific needs of a specific client/business, or for matching a perceived need of potential users, or for personal use.

Software Development Lifecycle

Approaches to Software development may differ based on the requirement. For instance, while developing business solutions, it requires engineering-based, structured approach. But regardless of methodologies, some stages are most common. These are like market research, requirements accumulation, problem analyzing, chalking out the plan, coding of the software, testing, deployment, fixing, etc. These stages are commonly termed as software development lifecycle.

Custom Software Development

Sometimes, companies require software to meet their specific business needs. Here comes custom software development into the picture. There are many software development firms that develop the software as per the requirements of the business and grow it better. While offering custom software, these companies ensure reduced system downtime, improved performance, and state-of-the-art customer service.

Software Development Tools

For software development, varieties of tools are used. Some of the most notable modern day software development tools include Java, .NET, PHP, C#, JavaScript, XML, Ruby, Ajax, etc.

Independent software testing – Agile environment in software quality testing has reduced importance of test strategy, however, it can be altered to fit the changing scenario and in this way, becomes usable.

Microsoft has always been among the global software giants who continue to suffer from deficiencies in their products. Speaking of Internet Explorer, the different versions of IE used to have many shortcomings, but recently Microsoft has developed some new versions that offer increased security over the templates.

If IE, Safari, Mozilla Firefox or Chrome, etc, no browser is completely safe and resistant to infection by malicious software. However, Microsoft has improved its safety moderately in your browser for a while. Some of the features to be integrated into the security of Internet Explorer running, especially in a privilege under Protected Mode, website malware scanning, and phishing attacks, control of discharges that are executed if known programs , care of address space randomization codes design for the malware does not change memory zones and execute infections. Although the association is good to share with third-party developers, whose security is concerned about Microsoft, but what about end users who can not put pressure on developers to fix their code?

Not that Microsoft is shy with the details of the flaws in their products, but tends to lose the courtesy when the partners are not equal, it took so long for Microsoft to the Yahoo name the third company in the use Current data on Windows Mobile 7, Microsoft never named and never will be the name of the device driver that caused 80% of accidents in the Windows Vista operating system or Microsoft never named Internet Explorer plug in which is the main cause of accidents Windows and IE.

Microsoft has decided to change the main to be evaluated and satisfied, click Add-ons dialog box opens Internet Explorer, right after the installation of add-ons IE9, specifying the details of add-ons may slow down the opening of new cards to the extent that the size of the browser seems slow to transmit the contents of the Skype add 0, 14 seconds and 0.13 seconds, more than Java and Microsoft search assistant “, a further 0.09 seconds to really know Who is to blame.

With IE 9 Release Candidate available and is used by some technology professionals, is being revised as IE is not bad in terms of safety, it would be more interesting if other readers are supplied with the article may give most of their comments and statistics after the release of IE, which is condemned for launch March 14, 2011.

This is the time when every street and every lane has at least one web hosting company. It’s not a joke, with growing popularity of the web, services that offer web hosting has gained popularity and various companies belonging to this line of business have sprouted up. Information about web hosting companies is relevant mainly to two kinds of people; one kind looks for job in this sector and another kind is comprised of business owners, who want to promote their businesses through the web. We are mainly concerned with the latter sect as they initiate what is called ‘businesses.

So you are a brand owner and looking forward to increase the visibility of your brand. Good, for making a striking presence on the web, you’d need to upload a website. For that, you need to find a web hosting company first. But before you select such a company, there are few crucial things to consider; the server must run well consistently. Many websites face this problem. Due to server related problems, some features appear unavailable for time being, which implies loss of traffic. So, you must be sure that the company is offering you dedicated server to host your website. If you have even an iota amount of doubt, then don’t select the service in the first place.

There are mainly three types of web hosting; free, shared and dedicated. Web hosting companies, which compromise with the morality of the profession, may take money from you claiming that they will offer you a dedicated server and end up providing you a free or shared server. To avoid this from happening, you need to know about the hosting types;

Free hosting – free hosting is good for you, provided you have a cut-throat budget. In other words, free hosting is very cheap. But the problems of free hosting are quite a few. First of all, your site won’t have much security. So if there’s a large database and you have to update and maintain it on a regular basis, free hosting might be hell of a problem for you. The performance of the website, hosted on the free server would also be bad.

Shared hosting – shared hosting is not entirely free, but requires very little amount of money. For small-scale websites, shared hosting is okay, but not for websites, representing big business. Security features are weak and loading time of the website along with other features are not impressive. But shared hosting requires very small amount of money.

Dedicated hosting – dedicated hosting is the best, because the website’s performance would be robust. However, you may have to pay a good amount of money.

It’s better to consult with the web hosting company before you go for any of these hosting options.

There was a time when news was mostly on current happenings, politics, sport events and entertainment. However, these days are gone. In the present time, technology news is as important as news stories on aforesaid categories. Question is why news on latest technology is so prevalent these days. The answer is, the present time is all about crossing one after another technological milestone. The moment one groundbreaking technology gets launched, other than celebrating, people feel curious to know what technological feature will be dished out next.

Every news segment has dedicated sect of readers. For example, there are some sport buffs, who would read the sport columns on the local newspaper everyday. Similarly, there are people interested in politics and they prefer reading newspapers, watching TV shows to keep themselves cognizant about latest happenings in the domain of politics. In the similar way, there’s fixed set of readers for technology news. These readers are mostly crazy about current technological products and often called as tech-freaks.

As for mediums, almost all mainstream media corners nowadays highlight on technological events. Be it a press outlet, a TV channel or a small magazine, if a new product is launched, everyone would start a rat race to cover it. Nevertheless, the big one hasn’t been named it; yes, it’s the internet. There are hundreds and thousands of sources (read websites) to gather news over the web and news on technology is a domineering category in this list. Just type technology news on any search engine and see how many results are displayed.

Now, there’s an old saying; quantity overshadows quality. The saying is relevant in our present context; since there are so many sources, online readers often don’t understand which site is to follow. Also most websites don’t toil much and based on a press release or reports of a technological conference published in a blog, make up a story. In so doing, they emphasize much on speculation and in this way, the news as such gets lost. However, the case is not same with all. There are worth mentioning names in this sphere such as Mashable, Tech-crunch, and Engadget etc, which are stalwart web outlets to provide users with all kinds of technology news. Unlike start-up portals, these sites send special correspondences to cover newest stories on technology. Such a noble initiative!

Inspired by technological breakthroughs all over the globe, many people are taking initiatives too! They are forming communities to issue tech magazines. These are also valuable resources on tech news. Altogether, it can be said without doubt, that news on technology is of growing importance.

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