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000-642 XDE Tester

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000-642 exam Dumps Source : XDE Tester

Test Code : 000-642
Test designation : XDE Tester
Vendor designation : IBM
real questions : 50 existent Questions

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IBM XDE Tester

IBM Rational unveils RAD device | killexams.com existent Questions and Pass4sure dumps

information

IBM Rational unveils RAD device
  • by means of John k. Waters
  • 05/29/2003
  • Like others, IBM’s Rational application Division is coming back to an thought from an prior computing era -- the likeaflash application construction, or RAD, tool. As enterprise Java potential remain in a miniature bit short provide, and as extra Java tasks rep the go-forward, equipment reminiscent of these draw pastime.

    massive Blue is categorizing its unique Rational quick Developer as “an architected likeaflash software development” atmosphere or “ARAD.” The visual, model-driven edifice atmosphere is designed to originate existence less demanding for developers engaged on Java 2 commercial enterprise edition (J2EE) trade purposes, according to company representatives.

    the brand unique ARAD tool goals enterprise developers, enabling them to construct purposes that believe a powerful underlying structure, reps said, and making it less complicated for them to construct first rate, specifications-primarily based functions that may scale.

    Forrester analyst Liz Barnett sees the unique device as Part of an ongoing vogue to give programmers with model-based mostly edifice environments. “The mode is to insulate programmers from loads of the technical underpinnings of the J2EE atmosphere,” Barnett informed Programmers document. “The focal point these days is on mannequin-primarily based building, which has the competencies to give some proper productiveness beneficial properties.”

    Ever-expanding time pressures and ever-latest budgetary issues believe been riding application evolution towards tools that emphasize productiveness, Barnett noted. “Managing expenses and timing are fully valuable nowadays,” she pointed out. “equipment fancy this are addressing these concerns in a very direct manner by automating the edifice of lots of code.”

    commonly seen as the first fruits of IBM’s fresh purchase of Rational application, the ARAD tool has truly been in evolution due to the fact earlier than that acquisition, at the nascence beneath the aegis of a Shelton, Conn.-based mostly trade called NeuVis Inc. NeuVis’s flagship product became a model-pushed utility edifice device for creating agile, business-type, n-tier purposes that Rational felt complemented its present product line. Rational obtained NeuVis in 2002.

    “This [tool] has been within the works for a long time,” stated Forrester’s Barnett, “both at NeuVis and at Rational. And it has been in the fingers of beta testers for a long time. I referee it’s safe to title that it has been entirely baked.”

    IBM is pricing its unique Rational likeaflash Developer device at $5,995 (U.S.) per person license.

    IBM Rational additionally accelerated its “prolonged edifice event” for testers and builders with a unique product known as IBM Rational XDE Tester, in addition to with enhancements to IBM Rational XDE Developer. The huge concept here is to give builders with a “seamless design and construction environment through tightly integrating the IBM Rational XDE product family unit into IBM WebSphere Studio, Eclipse and Microsoft visual Studio .web,” allowing builders to toil without retard inside their IDEs.

    The Rational XDE Tester is a brand unique examine automation retort designed to give useful testing of Java consumers and net-based purposes. it is in keeping with Eclipse and runs inner IBM WebSphere Studio 5.0 and Eclipse 2.0, according to company representatives.

    Rational XDE Developer Plus (previously known as Rational XDE expert Plus), has a brand unique debugging faculty referred to as visual hint it really is designed to enable users to peer application runtime errors and create associated UML fashions. This version of Rational XDE integrates with Rational PurifyPlus, IBM officials referred to, and makes it feasible for developers to toil in supported versions of Java, visible C# and visible fundamental .net.

    The Rational Unified procedure (RUP), a all-around utility construction system created by means of Rational, is intended to supply developers with personalized yet constant system tips to evolution teams. IBM’s newest enhancements to RUP are designed to originate it extra configurable for a broader viewers, in line with the officials.

    The Rational XDE Tester is obtainable for $2,995 per user license, while Rational XDE Developer is $2,995 per user license. IBM Rational XDE Developer Plus is priced at $4,195 per person license, and versions of IBM Rational Suite v2003 nascence at $3,995 per node-locked license.

    hyperlinks:

    For different Programmers record articles, delight ebb to www.adtmag.com/article.asp?identity=6265

    in regards to the author

    John ok. Waters is a contract author based in Silicon Valley. He can live reached at john@watersworks.com.


    Rational XDE Modeler v2002 liberate 2 | killexams.com existent Questions and Pass4sure dumps

    Product reports

    Rational XDE Modeler v2002 liberate 2
  • by means of Mike Gunderloy
  • 09/04/2002
  • Modeler is the member of their XDE (extended evolution experience) family unit of items this is aimed toward architects and designers who deserve to toil as a Part of a bunch on massive object-oriented items. running in three different modes (integrated with visible Studio .internet, integrated with IBM WebSphere application Developer, or standalone), Modeler generates platform-independent fashions that can moreover live handed off to developers the consume of the entire XDE product on both VS .net or Java platforms. The goal audience for Modeler is individuals who believe to communicate each up and down the software management ladder. it may possibly create completely free-form diagrams that betray regular architectural selections, for consume in slip suggests to higher management. but on the different conclusion, it can moreover generate finished UML models that can live handed off to developers for implementation. any the fashions will moreover live interlinked, so that you can drill down to anything degree of aspect you want at a selected second.

    There are too many aspects here to list, but listed here are probably the most greater wonderful bullet aspects:

    - A drag-and-drop UML and freeform drawing environment- full integration with supply code control. you could damage a model up into subunits that you can check in and out independently.- web publishing and reporting, so fashions will moreover live shared with ease with folks that will not believe one of the most XDE items installed.- pattern integration that means that you can identify and reuse architectural patterns.- Integration with different constituents of the Rational line together with Rational RequisitePro and the Rational Unified method.

    Of direction, the total XDE pro device ($2995) includes developer capabilities which are lacking from Modeler. These encompass statistics modeling with ahead and reverse engineering, and round-go back and forth visual C# era. if you want that smooth of implementation ability, you will need to buy the full product in its plot of modeler. however the people who want those amenities are often developers, now not architects.

    I had an chance to check-pressure Modeler within the visible Studio .web shell, and Rational has accomplished a high-quality job of integration. fashions are introduced to an retort in a assorted files folder, and may live blended with different stint kinds. a unique "mannequin Explorer" brought between retort Explorer and sophistication View means that you can drill into fashions in any depth integral. The drawing tools toil neatly, and the preference of shapes and diagrams is huge. The internet posted edition looks to believe comprehensive constancy to the long-established, and springs with a treeview that continues the model organizatino. general, here's a tool that simply means that you can toil without getting to your way. if you are an architect or dressmaker versed in UML with developers that goal VS.internet or WebSphere as their edifice atmosphere, you might live likely to locate this one effectual certainly.

    [This assessment at first seemed in

    concerning the author

    Mike Gunderloy, MCSE, MCSD, MCDBA, is a former MCP columnist and the writer of a big number of construction books.


    useful Integration of Java-Oriented technologies and 2.5/3G structures | killexams.com existent Questions and Pass4sure dumps

    with the aid of Barbara Stewart, Bryan Hartlen, Marc Erickson, Angus McIntyre

    Article rating:

    August 1, 2003 12:00 AM EDT

    Reads:

    23,243

    huge stages of deployment decisions can live create to builders as they believe interaction in unique initiatives for you to leverage the power of instant communication systems. while deploying capabilities through third-era (3G) and 2d-and-a-half era (2.5G) wireless terminals gifts challenges which are notmuch distinctive from those encountered in very own computers and servers, many time-honored environments had been adapted to aid-restrained gadgets.

    this article discusses the purposeful integration of Java-oriented applied sciences and a pair of.5G/3G systems and what you deserve to live vigilant of when dealing with resource constraints and the administration of application add-ons through construction, testing, deployment, and protection.

    verbal exchange handsets already present functions similar to these purchasable on computer computer systems, including internet access. whereas handheld instruments believe become extra equipped and powerful with each era of items, they proceed to live resource constrained compared to their computing device brethren. constrained amounts of reminiscence, processing, and battery vigor are realities for the wireless developer.

    These hardware obstacles ought to live compensated for through sane software edifice and tense middleware integration. in plot of simply acting as browsers for reformatted internet content, 3G handsets believe the competencies to host application software mainly developed to implement client and service features of an answer. due to the fact builders aren't any longer limited to "skinny-client" processes, components plot in directly within instant instruments believe more suitable entry to equipment aspects, sensors, and actuators. certainly, developers will need entry to a brand unique era of conclusion-to-conclusion tools that toil inside an open, widespread equipment integration platform. These will aid address the special needs of multi-language, multi-platform, and multi-seller evolution environments.

    The challenge is to combine flexibility and extensive functionality with the calls for for very limited reminiscence, processing, and battery energy. 3G handsets can live built on a component ground that gives the powerful and responsible platform on which functions can live hosted. 3G is where the phone world meets the computing world. Voice communication will continue to live significant whereas multimedia, comfy e-enterprise transactions, and information features will deliver differentiation. A 3G handset will need to believe the identical reliability as a mobile, but the identical performance as a laptop, and nonetheless live minute and vigor efficient.

    Let's consume an specimen as an instance the reality of merging voice, facts, and communications onto up to date-day instruments (cellphones, PDAs, and handheld computers) and enabling a brand unique dynamic e-enterprise software model. A technician on a service designation makes consume of a handset to view a full-motion video on how to rep rid of an constituent from a photocopier. using the equal handset, the technician submits an order for the half and receives verification that the Part has been reserved for his customer. using region-based services, the server software, selecting that there's a birth van with the Part on board within the neighborhood, makes consume of a mobile SMS message to divert the driver to the technician's place.

    As applications are prolonged to mobile instruments, unique applied sciences should live required to give productivity to the conclusion users while protecting them from the inherent complexities of integrating local and far flung features. local capabilities such as bar code scanning, scalable vector photographs, full-action video, and voice navigation will live required on the machine. far off functions residing inside the carrier infrastructure, equivalent to vicinity-primarily based (GPS), transactional, and messaging services, will should live accessed wirelessly by the machine.

    All these applied sciences exist nowadays. To efficaciously combine and deploy them on a restrained handset is a "essential bethink of programming." To rep there sooner requires two things: the prerogative platform and the usurp tools.

    The position of Java in these systems is hidden from the terminate user, nevertheless it will play an valuable role for the developers of the instant terminals and infrastructure gadget.

    next era communication SystemsWhat are the factors for the consume of Java in 3G/2.5G terminals and infrastructure? Java might live a success in the verbal exchange side for a similar reasons or not it's a hit within the IT section: (1) time-to-market via productiveness, and (2) flexibility and steadiness via open specifications.

    transferring market demographics, world competition, and faultfinding construction and maintenance charges believe bolstered the need for elevated flexibility and productiveness. no person utility or provider goes to meet any needs, and because of this provider suppliers must believe the capability to directly and efficaciously deploy unique functions. This drives the fundamental thought of edifice a everyday platform with predefined capabilities and shared features that can live configured in proper time with functions and add-ons, leading to differentiable conclusion products. The J2ME requirements supply a definition of one of these platform for gadgets of varying capabilities. constructing applications in keeping with these J2ME standards:

  • Ensures utility compatibility and portability with equipment capabilities
  • Reaps the productivity benefits of the Java programming model and accessibility to a consistently growing ground of expert builders
  • Simplifies the mixing of purposes and functions that reside in each the handset and infrastructure sides of the instant hyperlink

    selecting the ultimate J2ME implementation is critical, because it's the implementation of the "platform" ­ the underlying real-time working equipment (RTOS) and digital computing device ­ that offers to a varying degree:

  • a secure and secure programming environment that protects the gadget from faulty add-ons that might vitiate the device
  • A layered application design with isolation mechanisms that avoid direct entry to hardware and RTOS features
  • a likeaflash and responsible execution atmosphere with minimal reminiscence consumption and efficient power usage that permits functions to lift full capabilities of available hardware substances as a course to bear elevated fine carrier
  • proven and certified, now not just appropriate, implementation towards the J2ME specifications' "Java-powered" runtime atmosphere
  • An extensible platform for connecting purposes deployed on the handset with information and purposes inside the infrastructure
  • Runtime downloading (and unloading) capabilities of both Java purposes and native gadget accessories
  • productive and intuitive programming tools for any the above

    In here area, OSE systems and IBM characterize how the combination of RTOS and J2ME-licensed runtimes will moreover live optimized for the wireless handset market. adventure is taken from their recent efforts in integrating OSE techniques' RTOS OSE and IBM's WebSphere Micro environment.

    building took region in an integrated tools platform with evolution tools based upon the open source Eclipse platform, an open current tools integration ambiance. construction tools which are powered by using Eclipse technology such asIBM's WebSphere device Developer (an offering certainly centered to embedded platforms) are moreover mentioned as examples of the tooling vital for embedded Java purposes.

    The usurp Platform ­ not any J2ME Implementations Are Created EqualJ2ME is a prerogative away response to the focus that no longer any devices are created equal. It offers a means for outlining a variety of gadget classes and a minimum stage of faculty and functions that will moreover live inevitable on compliant contraptions. It doesn't, youngsters, specify how smartly these capabilities will perform. The devil is within the details of the platform's design, functionality, and implementation ­ how the individual add-ons of the platform, the RTOS, and the virtual machine are designed and carried out, what capabilities they have, and jointly how they are built-in.

    widely wide-spread PerformanceFootprint and reminiscence CostsOne of the greatest costs in a 3G handset is the memory. Designing a tool with a lot of expensive RAM and high-performance glance is not an option for a lot of producers. The usurp platform will live in accordance with software in particular designed from the ground as much as live small, scalable, and configurable, now not carved down from an trade implementation.

    The RTOS performs an valuable role in saving memory, not handiest by presenting a scalable, minute footprint solution, but additionally by using enforcing memory-conserving aspects akin to:

  • Limiting the volume of RAM consumed prerogative through execution
  • preventing reminiscence fragmentation
  • aiding persistent remembrance types and enabling glance reminiscence to characteristic as the toil memory, including "instant-on" execute-in-place (XIP) elements that permit structures to execute code at once from the glance remembrance with out prior loading prerogative into a RAM buffer
  • supporting dynamic remapping of purposes' reminiscence pages between RAM and flash

    constructing on a tenacious RTOS, J2ME structures on the simplest stage help in cutting back the reminiscence footprint for minute contraptions by specifying the set of capabilities accessible to an application on a compliant platform. This allows these services to live carried out once after which live shared through every utility. within the wireless zone this moreover potential more advantageous efficiency as most effectual the application, no longer the core services, deserve to live deployed over the instant connection.

    At a deeper level, builders additionally should seem at the standard remembrance of an software as it runs on the device. Some virtual machines grab minute amounts of remembrance up front (to in the reduction of the initial footprint), and incrementally seize remembrance because it's needed (costing when it comes to speed). Others seize more reminiscence up entrance, but less over time (up front remembrance hit, however faster over time). The greatest retort is a digital desktop this is customizable and tunable. With J9, the virtual desktop inside WebSphere Micro environment, initial and incremental reminiscence mound zone can moreover live set to fill the selected carrier wants and device capabilities.

    ultimately, once the software has been designed and optimized, there are benefits to live realized in how it is deployed to the gadget. counting on the ilk of software and the features of the device, it could live greater really helpful to execute the application out of glance as opposed to RAM. This may live to reduce RAM requirements or to deliver the application with an "immediate-on" capacity.

    ExecutionThe execution velocity of functions on these purchaser handsets will continue to live a crucial success factor. Java functions believe previously suffered a nasty recognition as a result of their interpretive nature. whereas or not it's proper that interpreters will often avoid slower than compiled purposes, the dissimilarity at the software stage isn't necessarily important; in situations the plot it is considerable, there are optimized runtime options akin to ahead-of-time (AOT) and just-in-time (JIT) compilation.

    simply-in-time (JIT) compilation is a runtime option that uses a compiler within the digital laptop to translate Java bytecodes into native desktop language for a selected device. A cache of reminiscence contains compiled desktop language prepared "just in time" to live used. Execution of ordinary bytecodes is then handled at once from the desktop language in cache. After the initial "compilations," JIT know-how improves performance at the cost of improved remembrance and begin-up time.

    ahead-of-time (AOT) compilation is an option that converts Java bytecodes into native computing device language for the selected machine at deployment time. unlike JIT, compilation happens on the edifice host. The outcome will moreover live packaged "ahead of time" prerogative into a compact executable for direct loading and execution inside the virtual computer ambiance. AOT compilation can moreover live extremely beneficial when utilized selectively to application hotspots. it could actually deliver proximate JIT performance with out the start-up time penalty and at a fraction of the remembrance prices.

    The J9 virtual computing device turned into designed first and most fulfilling to interpret bytecodes prerogative away. edifice on this mighty groundwork, the JIT and AOT compilers supply the application developer with alternatives for managing the hasten versus reminiscence can pervade exchange-off. The consequence of this adaptability is considerable due to the fact that the J9 virtual computer can execute functions deployed as bytecodes, AOT or JIT compiled desktop code, and, most important, any aggregate of the three.

    software security and ContinuityWhile making inevitable reliability of standalone application functions, it live equally faultfinding to design a device with gadget robustness in intellect. Downloaded functions and functions can't live allowed to vitiate the equipment. Separation of gadget-essential and noncritical application is standard and the operating device within the equipment should provide isolation mechanisms and reminiscence insurance arrangement for this intention. for instance, within the case of OSE's dynamic loading/unloading capabilities of native utility (C/C++), particular protection mechanisms believe been introduced to ensure that loaded modules should live remembrance protected when taking talents of a hardware MMU.

    Introducing a Java runtime ambiance that takes lore of the RTOS' inherent security in a 3G handset has the extremely majestic advantage of featuring a cozy and guarded ambiance for application utility, which is regularly written in Java. The handset's native ambiance (C/C++) that controls the machine will live blanketed from the Java software environment. In gadget architectures that might improvement from more suitable separation, varied virtual machines could exist on the handset and might live started and stopped independent of every other. moreover, when the RTOS supports native runtime downloads, even new, updated Java virtual Machines can live dynamically plot in after a handset is produced and deployed.

    Deterministic real-Time BehaviorDeterministic precise-time deportment is a requirement in brand unique 2G cell phones. To wirelessly deliver your voice to any zone on this planet within fractions of a 2d, 2G platforms comprehend utility that should control radio add-ons, digital coding and decoding of voice, the connection with ground stations, and setup facilities that link and disconnect calls. relocating to 3G handsets will now not exchange the requirement for deterministic real-time behavior. clients will now not settle for calls any at once being disconnected or the other celebration's voice sounding slack and distorted.

    The problem may live to retain present day fantastic efficiency and reliability, while introducing the brand unique services that high-speed, packet-primarily based data transmission makes it feasible for. For numerous Java applications to coexist in a useful resource-restrained device, the Java runtime environment wants deterministic precise-time behavior.

    The design of the digital machines has moreover moved forward to allow for deterministic execution. One particular enviornment is within the rubbish collection of the digital machine. for example, the IBM J9 digital computer interior WebSphere Micro atmosphere has the following points to advocate in the evolution of deterministic functions.

  • actual-time techniques deserve to retrieve reminiscence efficaciously. search for elements similar to actual garbage assortment (GC) as antagonistic to conservative rubbish assortment. GC should silent moreover live incremental, so the digital laptop is not locked during GC.
  • in the most stern of deterministic instances, GC should silent moreover permit interrupts. This stops GC immediately so vital routine will moreover live processed at the maximum feasible precedence. An illustration of this may live receiving an incoming mobilephone convene while gaming.

    Having a virtual computing device plot into consequence deterministic features has restricted value if the underlying RTOS does not predictably plot into consequence actual-time points. operating techniques such as OSE are an specimen of a proper embedded actual-time device, designed from the ground up for traumatic wants fancy determinisms, reliability, and robustness. besides the classical elements reminiscent of preemptive scheduling, lightweight approaches, minute footprint (measured in tens of kilobytes), scalability, effectual interrupt dealing with with short interrupt latency, and an interrupt-headquartered machine driver mannequin, there are different aspects to notice for in an RTOS:

  • Message-based mostly structure to ensure ease-of-use, excessive efficiency, advanced debug capabilities, lucid IPC in distributed methods, and reminiscence-blanketed techniques
  • reminiscence administration with a spotlight on efficiency even when the consume of low-efficiency reminiscence forms, efficient prevention of remembrance fragmentation, and varied remembrance pools to permit extraordinary system design
  • automatic mistake coping with with a multilayered mistake handler strategy
  • procedure supervision and automated useful resource cleansing, which enables a gadget to live self-recoverable

    The prerogative tools ­ The Java Developer Is EfficientAs the 3G handset turns into a deployment platform within an standard pervasive computing context, equipment to control the conclusion-to-conclusion stint existence cycle may live vital. It might live common to set up unique evolution relationships as half of those initiatives. frequently a yoke of businesses or departments will deserve to collaborate on solutions that deploy across deeply embedded controllers, handsets, own computers, servers, and even mainframe programs that deal with thousands and thousands of contraptions at the same time as. The construction existence cycle starts with managed necessities, then progresses to modeling, code development, debugging, setting up and management tasks, and trying out. testing takes on unique facets as numerous handset platforms, deployment networks, internet features servers, and repair suppliers should live accommodated. tools that exploit any of these facets of assignment edifice and deployment should combine together neatly if builders are to evolution efficaciously.

    As within the device runtime dialogue, it might live vital for the Java and native (C/C++ and assembler) tooling environments to live smartly integrated. Being capable of change between assignment-conscious freeze-mode and run-mode debugging is vital in true-time techniques as inevitable bugs can't live discovered unless parts of the device can execute whereas others are frozen.

    common source code debugging wants its complement in system-level debugging where pursuits can moreover live traced and analyzed, and design flaws will moreover live discovered. superior equipment-degree debugging is feasible when the device design is in line with a message-passing architecture with automated resource cleansing, fancy OSE enables. Profiling of the CPU and reminiscence utilization as well as postmortem debugging are other needed debugging equipment. The OSE Illuminator debug device suite is applied in Java, which gives for easy integration with a Java evolution ambiance fancy Eclipse-based WebSphere Studio gadget Developer.

    whereas Java's portability and productivity advantages are neatly accepted, tooling designed for the embedded developer will should give a number of features above and beyond those create in an easy IDE. actual productiveness is carried out with the following:

  • The skill to boost and debug in each on-host emulation environments and the genuine on-device ambiance
  • The faculty to strengthen and debug combined mode, Java, and C/C++ applications
  • Execution analysis equipment that role on the device and spotlight software bottlenecks via profiling reminiscence, stack and thread usage, and priorities
  • Setup and configuration wizards that originate certain purposes are developed in opposition t the desired J2ME configuration or profile and for the desired target hardware
  • Wizards for recommending which portions of the utility should live compiled as Java bytecodes, AOT, or JIT executables
  • Wizards that kit an application for execution out of glance reminiscence (XIP)
  • Wizards for packaging functions for deployment inside an OSGi or enterprise aspect service
  • potential to seamlessly create unique customized device elements or to integrate unique or superior device capabilities from third-birthday celebration suppliers

    There are a huge number of competing and complementary operating structures and middleware know-how choices attainable. unique venture and enterprise relationships may additionally insinuate that a developer needs to bridge between numerous tools and collaboration environments. in view that initiatives will often need to tackle further deployment environments, together with developing and managing metadata for intricate middleware, diverse suitable evolution offerings may need to live regarded. When an open, extendable integration framework fancy Eclipse is the basis for equipment, it turns into less complicated to accommodate dissimilar-platform, assorted-language, and distinct-vendor evolution initiatives.

    part of the problem for developers working to deploy solutions across server and instant handset structures includes collaboration and crew coordination. A accepted equipment integration platform fancy Eclipse is equally at home in helping loads of construction languages (Java, AspecJ, C/C++, Cobol, and Smalltalk, for instance) and a vast sweep of commercial enterprise and embedded deployment platforms. Eclipse helps any these environments via ordinary access to modeling tools, testing environments, and concurrent access to numerous supply code repositories. a number of companies at the flash are offering solutions that combine their areas of specialization with the Eclipse platform.

    offerings fancy QNX Momentix and TimeSys TimeStorm consume the identical Eclipse platform and supply speciality tools for working with QNX Neutrino and TimeSys Linux in C and C++ language environments. supply code manage and administration choices from computer friends (All Fusion), MERANT (PVCS), Rational (XDE), Borland (collectively manage middle), MKS (supply Integrity), Serena (Workbench), LogicLibrary (Logidex Asset professional), Eclipse (CVS), Starbase (StarTeam), Telelogic, and Instantiations (CodePro Studio) let you plug in entry to numerous VCM and supply code administration techniques. offerings fancy IBM's WebSphere Studio application Developer lengthen Eclipse to consist of visual editors, construction of commercial enterprise functions, middleware entry, and greater. groups fancy Quest application, Parasoft, JUnit.org, and Scapa technologies believe offered verify extensions.

    Summary3G handsets will deserve to combine mobilephone reliability and actual-time requirements on minute and aid-confined gadgets with ever-changing utility performance. J2ME requisites deliver definitions of ordinary platforms for instruments of varying capabilities and should serve because the primary software constructing blocks for these contraptions. successful implementations of the J2ME platform would require an RTOS and Java runtime environment that focus on deterministic precise-time habits and low remembrance utilization. successful tasks will need to correctly integrate and toil with tools from distinctive providers for assorted construction and deployment systems and in multiple languages. The aggregate of J2ME expertise and Eclipse-based equipment is the key to potent solutions.

  • Eva Skoglund holds a grasp of Science diploma in computer Science from the Royal Institute of technology in Stockholm. currently, Skoglund is product advertising supervisor for wireless systems for OSE methods, a true-time operating programs enterprise

    Bryan Hartlen works in enterprise building, product marketing, and IPlicensing areas and manages IBM's household of embedded Java products.prior to now, he developed or managed utility builders on systems thatranged from mainframe applications to store floor exploit programs to PCMCIAcards.

    Marc Erickson has been a key participant in several internationalinnovations from IBM including workflow technology and service supportcenter development. he's now on project as the communications managerfor Eclipse.

    Angus McIntyre is the director of trade evolution for embeddedtechnology at IBM and has spent his entire profession on utility developmenttools (OTI, IBM Canada Lab, VisualAge for Java, VisualAge Micro edition). Heholds a BS in computing device science and records and an MBA.

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    IBM Rational unveils RAD tool | killexams.com existent questions and Pass4sure dumps

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    IBM Rational unveils RAD tool
  • By John K. Waters
  • 05/29/2003
  • Like others, IBM’s Rational Software Division is coming back to a concept from an earlier computing era -- the Rapid Application Development, or RAD, tool. As enterprise Java skills remain in notmuch short supply, and as more Java projects rep the go-ahead, tools such as these draw interest.

    Big Blue is categorizing its unique Rational Rapid Developer as “an architected rapid application development” environment or “ARAD.” The visual, model-driven evolution environment is designed to originate life easier for developers working on Java 2 Enterprise Edition (J2EE) trade applications, according to company representatives.

    The unique ARAD tool targets enterprise developers, enabling them to build applications that believe a tenacious underlying architecture, reps said, and making it easier for them to build high-quality, standards-based applications that can scale.

    Forrester analyst Liz Barnett sees the unique tool as Part of an ongoing trend to provide programmers with model-based evolution environments. “The trend is to insulate programmers from a lot of the technical underpinnings of the J2EE environment,” Barnett told Programmers Report. “The focus today is on model-based development, which has the potential to provide some existent productivity gains.”

    Ever-increasing time pressures and ever-present budgetary concerns believe been driving software evolution toward tools that emphasize productivity, Barnett noted. “Managing costs and timing are absolutely faultfinding today,” she said. “Tools fancy this are addressing those issues in a very direct course by automating the evolution of a lot of code.”

    Widely seen as the first fruits of IBM’s recent purchase of Rational Software, the ARAD tool has actually been in evolution since before that acquisition, initially under the aegis of a Shelton, Conn.-based company called NeuVis Inc. NeuVis’s flagship product was a model-driven application evolution tool for creating agile, enterprise-class, n-tier applications that Rational felt complemented its existing product line. Rational acquired NeuVis in 2002.

    “This [tool] has been in the works for a long time,” said Forrester’s Barnett, “both at NeuVis and at Rational. And it has been in the hands of beta testers for a while. I referee it’s safe to utter that it has been fully baked.”

    IBM is pricing its unique Rational Rapid Developer tool at $5,995 (U.S.) per user license.

    IBM Rational moreover expanded its “Extended evolution Experience” for testers and developers with a unique product called IBM Rational XDE Tester, as well as with enhancements to IBM Rational XDE Developer. The expansive thought here is to provide developers with a “seamless design and evolution environment by tightly integrating the IBM Rational XDE product family into IBM WebSphere Studio, Eclipse and Microsoft Visual Studio .NET,” allowing developers to toil directly within their IDEs.

    The Rational XDE Tester is a unique test automation solution designed to provide functional testing of Java clients and Web-based applications. It is based on Eclipse and runs inside IBM WebSphere Studio 5.0 and Eclipse 2.0, according to company representatives.

    Rational XDE Developer Plus (formerly called Rational XDE Professional Plus), has a unique debugging capability called visual vestige that is designed to allow users to note application runtime errors and create associated UML models. This edition of Rational XDE integrates with Rational PurifyPlus, IBM officials said, and allows developers to toil in supported versions of Java, Visual C# and Visual Basic .NET.

    The Rational Unified Process (RUP), a springy software evolution process created by Rational, is intended to provide developers with customized yet consistent process guidance to evolution teams. IBM’s latest enhancements to RUP are designed to originate it more configurable for a broader audience, according to the officials.

    The Rational XDE Tester is available for $2,995 per user license, while Rational XDE Developer is $2,995 per user license. IBM Rational XDE Developer Plus is priced at $4,195 per user license, and versions of IBM Rational Suite v2003 start at $3,995 per node-locked license.

    Links:

    For other Programmers Report articles, delight ebb to www.adtmag.com/article.asp?id=6265

    About the Author

    John K. Waters is a freelance writer based in Silicon Valley. He can live reached at john@watersworks.com.


    How to avoid multiple instances of the Windows Phone 7 emulator | killexams.com existent questions and Pass4sure dumps

    Sometimes there are cases when you want to avoid multiple instances of the Windows Phone 7 emulator. For example, to test different command line options in part instances. By default, you cannot customize this deportment in Visual Studio 2010, that by now is the standard course to access the emulator. However, there is silent an option provided by Microsoft that is not mentioned too often.

    First and foremost, you should live familiar with basic command line operations - how to launch applications from command line and how to transmit specific parameters when executing an application (or script, for that reason). If you are familiar with these concepts, then you are majestic to go.

    Second, you need to know where the emulator and the default evolution WP7 OS image are located. On my system, I can find them in the following folders.

    WP7 OS Image:

    C:\Program Files (x86)\Microsoft SDKs\Windows Phone\v7.0\Emulation\Images

    WP7 Emulator:

    C:\Program Files (x86)\Microsoft XDE\1.0

    If you try running XDE.exe from the emulator folder prerogative away, you will live prompted with this message:

    Not exactly what we're looking for, but nonetheless it is helpful. So the emulator by itself won't start - I need to specify an OS image to live loaded. And here is when the console comes into play. Open the system console by pressing the Win+R keys and then typing CMD and clicking OK.

    Once the console is open, first of any copy and paste the path to the emulator, and then after a space, copy and paste the path to the OS image.

    The complete path string should notice fancy this:

    "C:\Program Files (x86)\Microsoft XDE\1.0\XDE.exe" "C:\Program Files (x86)\Microsoft SDKs\Windows Phone\v7.0\Emulation\Images\WM70C1.en-US.bin"

    And once you avoid it... nothing happens. Besides the actual image, you need to pass a VMID - a GUID identificator that will live uniqued to the specified instance.

    NOTE: You can generate GUIDs quickly here.

    The VMID parameter is required to live unique for every given running instance. Otherwise, you will live getting an mistake message fancy this:

    Here is how you should pass the VMID to the emulator:

    "C:\Program Files (x86)\Microsoft XDE\1.0\XDE.exe" "C:\Program Files (x86)\Microsoft SDKs\Windows Phone\v7.0\Emulation\Images\WM70C1.en-US.bin" /VMID {3e7d1f17-dbf6-4e74-b1ef-20206c5fe7b9}

    Curly braces are required.

    Once you avoid this command, the emulator should conclude a full OS boot (no, the main applications will silent live locked) and will rep in the "Ready" mode in around 30 seconds. As long as you change the GUID, you can avoid as many instances as your machine allows you to.


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    For the last yoke weeks, their team has worked on a mobile application for Android and iOS. One of the biggest decisions they had to originate was what kind of app they wanted to make: A hybrid web-based app? Or a native app? Then, settle on a framework to help us rep there. Ionic? React Native?

    We ended up deciding on React native (specifically, built with react-native init, no boilerplate), not only for the performance benefits, but because it allowed us to “step into” the native Android and iOS code when they needed to, while silent allowing us to code mostly in Javascript by converting it to native code for us later. This ended up proving useful, especially when trying to access the device’s “Native Modules”: The camera, the GPS, the Accelerometer, the Map View, the GPU, etc. Every time they wanted to access one of these, they dive into the native code, install the reform plugins, rep the prerogative permissions, originate any the reform links, and then consume it in their Javascript portion.

    It turns out though, that while coding natively has been a beneficial exercise and has given us a better understanding of how these devices work, they could believe used a library full of these native module plugins from the start. That library is called Expo, and it aims to preclude us having to dive into the native code whenever they want access to the most common native modules. They essentially bake in access to any these native modules from the start by bundling them into their Expo SDK: Camera, Location, Map, Accelerometer, GPU, Auth, Video, and a handful more. They provide jsx elements for any of these native modules so they remain in Javascript (like <Camera>, or <MapView>, for example).

    Another profit to using Expo is the testing environment. Because we’re not actually editing the native code, Expo can easily create testing environments for both Android and iOS through their Expo XDE or CLI, and the Expo Client App on the testing device. They don’t believe to create entire standalone builds every time they want to test a unique feature, and (most importantly to me, a Windows developer with an iPhone) they don’t believe to believe a Mac with Xcode to test their app on iPhone, or Android Studio to test on an Android.

    This approach is ultimately very convenient. It keeps us writing in Javascript, and we’re able to test quickly. However, the downside to the Expo approach is that Expo actually prevents access to the native code: You actually conclude not believe access to the native code while developing your project this way. If you ever want to code natively, you must “detach” from Expo, and while you silent believe access to the Expo SDK library, you lose the testing benefits of the Expo XDE or CLI, as you would believe to now avoid standalone builds to test your app. But this is only necessary in advanced cases, as fancy I said earlier, Expo provides access to most native modules that you would need for most apps.

    Starting an Expo project is similar to starting a React native project with react-native init or create-react-native-app, you simply initialize it from the Expo XDE or CLI. So next time you develop a React native app, consider how “native” you’ll need to go, and consider the benefits and consequences of each evolution approach, particularly whether you consume Expo or not.



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    References :


    Dropmark : http://killexams.dropmark.com/367904/12855048
    Dropmark-Text : http://killexams.dropmark.com/367904/12948605
    Blogspot : http://killexamsbraindump.blogspot.com/2018/01/just-study-these-ibm-000-642-questions.html
    Wordpress : https://wp.me/p7SJ6L-2PC






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