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OOP Concepts for Beginners: What Is Polymorphism By Thorben Janssen The word polymorphism is used in various contexts and describes situations in which something occurs in several different forms. In computer science, it describes the concept that objects of different types can be accessed through the same interface. Each type can provide its own, independent implementation of this interface. It is one of the core concepts of object-oriented programming (OOP). If you're wondering if an object is polymorphic, you can perform a simple test. If the object successfully passes multiple is-a or instanceof tests, it's polymorphic. As I've described in my post about inheritance, all Java classes extend the class Object. Due to this, all objects in Java are polymorphic because they pass at least two instanceof checks. Different types of polymorphism Java supports two types of... (more)

Google Glass a Year Away

Don't expect Google Glass to be out anytime soon. Google's globe-trotting chairman Eric Schmidt told the BBC that "It's fair to say that thousands of these will be in use by developers over the next months, and then based on their feedback we will make some product changes, and it's probably a year-ish away." CEO Larry Page has already suggested the cloud-ified glasses with Bluetooth and Wi-Fi connectivity will cost developers around $1,500 for early tests. The things are supposed to capture 5-megapixel images and video at a 720p resolution and have 16GB of Flash storage synced with Google cloud storage. There are also GPS and SMS messaging possibilities. A Seattle bar has already banned Google Glass from its premises for discretion's sake. ... (more)

Driving IT Innovation in the Mid-Market | @CloudExpo [#Cloud]

Five Considerations for Driving IT Innovation in the Mid-Market Recent studies have shown that over two thirds of CIOs have difficulty balancing the time and resources needed in order to drive both business innovation and operational excellence. IT services teams in mid-sized organizations have so much to do that it's difficult to prioritize. Maintaining existing operational effectiveness takes a significant portion of the available resources. Add to that new IT projects and upgrades and it becomes even more difficult to participate in business innovation efforts. Once you add the support of new technologies such as cloud services, mobile device management and BYOD, as well as ever-present security threats, it quickly becomes clear why it's so hard to find any balance between operational excellence and innovation. One approach to addressing the countless issues face... (more)

What Foot Traffic Says About Your Store & Customers | @CloudExpo #Cloud

We all have and use them on a daily basis. Whether for work or play, our feet get us where we need to go as the most common form of transportation. Although monitoring foot traffic is common practice for retailers, literally measuring each footstep is not something many retail executives think about to understand their customers, but foot traffic offers an accurate and unique way of gaining knowledge about your store's audience. Ever wondered if your marketing efforts for an in-store sale or event are impacting, or even reaching, your customers? Foot traffic is a great indicator of marketing effectiveness. By comparing foot traffic before, during and after sale promotions you're able to identify if any increases (or decreases) have occurred, giving you a better understanding of how a marketing campaign worked or why it didn't work. From there, you can take the step... (more)

Cloud CEOs, CTOs & SVPs to Speak at 4th International Cloud Computing Expo

What do the following industry executives have in common: the CTOs of Citrix, EMC and Sybase, the Founders of ParaScale and CloudSwitch, the CEOs of Zetta and Kaavo, the Chief Security Architect at Sun, the President of Hubspan and the Chairman of NComputing? The answer is that, along with another 100 or so experienced and industry-savvy speakers, they are all members of the distinguished Speaker Faculty at the upcoming 4th International Cloud Computing Conference & Expo, which is co-located with the 7th International Virtualization Conference & Expo at the Santa Clara Convention Center, November 2-4, 2009. The lineup includes plenty of other CEOs too, such as the CEO of Bycast, and of Grid Dynamics, newScale, JRapid, Adaptivity, and RocketLawyer.com. As for CTOs, the Santa Clara Convention Center will be playing host to breakout sessions from not just those already ... (more)

Yahoo! to Present at 4th International Cloud Computing Expo

Yahoo! is running the largest Hadoop clusters in the world, but what exactly is the Yahoo! Distribution and why is Yahoo! sharing its investment in testing Hadoop? Register Today and Save ! Sponsor and/or Exhibit Today View Full Conference Schedule Eric Baldeschwieler, VP Hadoop Software Development at Yahoo!, will be giving a breakout session at SYS-CON's 4th International Cloud Computing Conference & Expo (http://cloudcomputingexpo.com) in Santa Clara, CA, this coming November 2 - 4, 2009, that answers those questions. His session is entitled "Hadoop @ Yahoo! - Internet Scale Data Processing." The session will cover major use-cases for Hadoop @ Yahoo!, explain how it benefits the larger cloud ecosystem, and provide a glance into the exciting plans moving forward around Hadoop and related open source technologies. About the Speaker: Eric Baldeschwieler, VP Hadoop Soft... (more)

What's Your Innovation

There’s a reasonably famous book in technology circles called “The Innovator’s Dilemma.” It basically says there are two types of innovations: those that appeal to existing markets by improving products, and those that appeal to new markets by offering new capabilities. I don’t think it’s particularly hard to be innovative. All one has to do is walk down the street and identify any single thing that is causing some form of discomfort or irritation or challenge. Then just think of a way to do it better. It really is that easy. And it’s a fun exercise. Keep in mind we don’t always realize we are discomforted by something until we are shown a better way of doing it. For example, before mobile phones, people didn’t realize that using a pay phone was inconvenient. There were many times when I needed a pay phone and was very happy to have found one. But today, few would e... (more)

The Future of Cloud Computing in India

India has the highest rate of adoption for Mobile. And the adoption drove the big players in the local and international market to have their presence in the Indian Mobile Operators space. In a similar way you will soon see various service providers for Cloud Computing emerging and it is going to be the next big wave after the Mobile era. If you take a deep look at the Cloud Computing technology, it is nothing but providing IT related resources such as computing, storage, Network, system security, application, platform as a service. These services are charged based on the usage. Usage-based pricing is not something new to us and our Mobile, Telephone, Internet and Electricity follows the same pricing model. Scarcity of Resources India as a country with a huge population base has never been given adequate resources to embrace innovation. The case is even worse if you ... (more)

USA 55, Canada 0

The concept of Canada having an 'innovation gap' might seem like an abstract concept, a theoretical issue that doesn't actually affect you at a practical or personal level. However consider how important health care is to you and your family. A lack of technology investment and innovation can have a real impact in these types of areas. For example consider this Globe news piece, about adoption of new EMR (Electronic Medical Record) technology, that is using barcoding to eliminate medication errors. It highlights that they're following EMR best practices from HIMSS, which has an adoption maturity level that goes up to a final Level 7, where your entire operations are EMR-enabled. Where the USA now has 55 hospitals reporting in at level 7, Canada has yet to report any. None. The Canadian Institute for Health Improvement estimates that medication errors affect more t... (more)

Google & Apple Stint on Kodak Patents

Eastman Kodak was hoping to garner $2.2 billion-$2.6 billion from its broadly licensed 1,100 patents to repay creditors and reorganize. It reportedly got opening bids of $150 million-$250 million from two consortia involving Google-RPX-Samsung-LG-HTC on the one hand and Apple-Microsoft-Intellectual Ventures on the other according to the Wall Street Journal. The bankruptcy court has thrown a cloak of invisibility over the process until a winner emerges but Kodak is reportedly unlikely to see more than $600 million. Of course there's no telling where it could wind up although its prized patent was invalidated by the International Trade Commission last month. The auction is set for Wednesday, with an announcement expected on August 13. The two lots for sale include patents for capturing and processing images on cameras, smartphones and tablets and another for storing ... (more)

40 Million Windows 8 Licenses Sold

Microsoft says it's sold 40 million licenses to its new touchscreen-adapted Windows 8 operating system that hit general availability a month ago. It's reportedly outpacing Windows 7 in terms of upgrades. For what it's worth, Microsoft also said there were more apps in the Windows Store at launch than any other app store at their launch and since then the number of apps in the Windows Store has doubled. A few apps in the Windows Store have crossed the $25,000 revenue mark; developers keep 80% of the revenue they make off downloads for the life of their app. On October 30 Microsoft said it sold four million upgrades in the first four days. License sales include upgrades, copies shipped on new computers like its ARM-based Surface tablets and copies furnished to corporations with multi-year licenses. ... (more)