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000-642 - XDE Tester - Dump Information

Vendor : IBM
Exam Code : 000-642
Exam Name : XDE Tester
Questions and Answers : 50 Q & A
Updated On : February 15, 2019
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000-642 Questions and Answers

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000-642 XDE Tester

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000-642 exam Dumps Source : XDE Tester

Test Code : 000-642
Test Name : XDE Tester
Vendor Name : IBM
Q&A : 50 Real Questions

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IBM XDE Tester

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

information

IBM Rational unveils RAD device
  • via John ok. Waters
  • 05/29/2003
  • Like others, IBM’s Rational software Division is coming lower back to an idea from an previous computing period -- the rapid utility development, or RAD, tool. As enterprise Java competencies remain in slightly short give, and as more Java projects get the go-forward, equipment reminiscent of these draw pastime.

    huge Blue is categorizing its new Rational speedy Developer as “an architected fast software construction” environment or “ARAD.” The visible, model-driven building environment is designed to make existence less complicated for developers working on Java 2 enterprise version (J2EE) company applications, based on enterprise representatives.

    the brand new ARAD tool objectives commercial enterprise builders, enabling them to build purposes that have a powerful underlying structure, reps pointed out, and making it more convenient for them to construct top notch, standards-primarily based applications that can scale.

    Forrester analyst Liz Barnett sees the brand new device as a part of an ongoing vogue to deliver programmers with mannequin-based building environments. “The fashion is to insulate programmers from lots of the technical underpinnings of the J2EE ambiance,” Barnett told Programmers file. “The focus today is on model-based mostly building, which has the knowledge to deliver some actual productivity good points.”

    Ever-increasing time pressures and ever-latest budgetary issues had been riding utility building toward tools that emphasize productiveness, Barnett mentioned. “Managing costs and timing are absolutely critical nowadays,” she mentioned. “tools like this are addressing those issues in a very direct manner with the aid of automating the development of loads of code.”

    generally considered because the first fruits of IBM’s fresh buy of Rational application, the ARAD tool has basically been in construction on account that before that acquisition, at the beginning under the aegis of a Shelton, Conn.-primarily based enterprise known as NeuVis Inc. NeuVis’s flagship product became a mannequin-pushed application building tool for creating agile, enterprise-type, n-tier applications that Rational felt complemented its current product line. Rational bought NeuVis in 2002.

    “This [tool] has been in the works for a long time,” pointed out Forrester’s Barnett, “each at NeuVis and at Rational. And it has been within the palms of beta testers for ages. I feel it’s secure to assert that it has been fully baked.”

    IBM is pricing its new Rational rapid Developer device at $5,995 (U.S.) per user license.

    IBM Rational additionally extended its “prolonged development adventure” for testers and builders with a new product known as IBM Rational XDE Tester, as well as with enhancements to IBM Rational XDE Developer. The massive theory here is to give builders with a “seamless design and development environment by tightly integrating the IBM Rational XDE product household into IBM WebSphere Studio, Eclipse and Microsoft visual Studio .web,” allowing developers to work without delay within their IDEs.

    The Rational XDE Tester is a brand new check automation answer designed to deliver useful testing of Java purchasers and internet-based purposes. it is in response to Eclipse and runs inside IBM WebSphere Studio 5.0 and Eclipse 2.0, according to company representatives.

    Rational XDE Developer Plus (formerly referred to as Rational XDE expert Plus), has a brand new debugging ability known as visual hint this is designed to allow clients to peer utility runtime error and create linked UML models. This edition of Rational XDE integrates with Rational PurifyPlus, IBM officials talked about, and makes it possible for developers to work in supported types of Java, visual C# and visible simple .net.

    The Rational Unified process (RUP), a versatile utility building system created via Rational, is intended to give developers with personalized yet constant manner tips to building teams. IBM’s newest enhancements to RUP are designed to make it greater configurable for a broader viewers, based on the officers.

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

    links:

    For different Programmers report articles, please go to www.adtmag.com/article.asp?id=6265

    in regards to the writer

    John ok. Waters is a contract author based in Silicon Valley. He will also be reached at john@watersworks.com.


    Rational XDE Modeler v2002 unlock 2 | killexams.com Real Questions and Pass4sure dumps

    Product reports

    Rational XDE Modeler v2002 release 2
  • by way of Mike Gunderloy
  • 09/04/2002
  • Modeler is the member of their XDE (prolonged development adventure) family of products it is aimed at architects and designers who deserve to work as a part of a bunch on massive object-oriented products. running in three diverse modes (built-in with visible Studio .net, integrated with IBM WebSphere software Developer, or standalone), Modeler generates platform-impartial models that can also be surpassed off to builders the use of the total XDE product on either VS .net or Java structures. The target viewers for Modeler is americans who ought to talk each up and down the utility management ladder. it will possibly create absolutely free-kind diagrams that display universal architectural selections, for use in slide indicates to upper administration. but at the other conclusion, it could actually also generate complete UML fashions that can be surpassed off to builders for implementation. all the models may also be interlinked, so that you can drill all the way down to whatever stage of detail you need at a selected second.

    There are too many features here to record, however listed here are one of the crucial extra enjoyable bullet aspects:

    - A drag-and-drop UML and freeform drawing atmosphere- Full integration with supply code manage. which you can smash a model up into subunits that you should check in and out independently.- net publishing and reporting, so fashions will also be shared without difficulty with folks that don't have one of the vital XDE products installed.- sample integration that lets you establish and reuse architectural patterns.- Integration with different components of the Rational line together with Rational RequisitePro and the Rational Unified manner.

    Of path, the entire XDE professional tool ($2995) includes developer capabilities that are lacking from Modeler. These consist of data modeling with ahead and reverse engineering, and circular-travel visible C# technology. if you would like that level of implementation skill, you'll deserve to buy the entire product as an alternative of modeler. however the americans who need these facilities are frequently developers, no longer architects.

    I had a chance to test-power Modeler in the visible Studio .web shell, and Rational has performed a first-rate job of integration. models are introduced to a solution in a Miscellaneous info folder, and may be blended with different project kinds. a new "model Explorer" brought between answer Explorer and class View permits you to drill into fashions in any depth quintessential. The drawing tools work smartly, and the option of shapes and diagrams is huge. The net published version looks to have finished constancy to the long-established, and comes with a treeview that maintains the model organizatino. ordinary, here is a tool that simply lets you work without getting on your manner. if you are an architect or fashion designer versed in UML with builders that target VS.internet or WebSphere as their development atmosphere, you are more likely to locate this one useful certainly.

    [This review at the start looked in

    concerning the writer

    Mike Gunderloy, MCSE, MCSD, MCDBA, is a former MCP columnist and the creator of numerous construction books.


    useful Integration of Java-Oriented applied sciences and 2.5/3G platforms | killexams.com Real Questions and Pass4sure dumps

    by Barbara Stewart, Bryan Hartlen, Marc Erickson, Angus McIntyre

    Article ranking:

    August 1, 2003 12:00 AM EDT

    Reads:

    23,243

    wide levels of deployment selections can be found to builders as they have interaction in new projects so one can leverage the vigor of instant verbal exchange systems. whereas deploying capabilities through third-era (3G) and 2d-and-a-half generation (2.5G) wireless terminals items challenges which are reasonably different from these encountered in very own computer systems and servers, many general environments have been tailored to resource-constrained instruments.

    this article discusses the practical integration of Java-oriented technologies and a couple of.5G/3G systems and what you deserve to know when dealing with resource constraints and the administration of utility components via construction, trying out, deployment, and renovation.

    conversation handsets already present capabilities corresponding to those accessible on computer computer systems, including information superhighway entry. whereas handheld gadgets are getting extra capable and strong with every technology of items, they proceed to be useful resource restricted compared to their computer brethren. restricted quantities of memory, processing, and battery vigour are realities for the wireless developer.

    These hardware obstacles need to be compensated for with the aid of sensible application building and tight middleware integration. in place of simply performing as browsers for reformatted internet content, 3G handsets have the competencies to host software utility certainly built to put in force customer and repair features of an answer. on the grounds that builders aren't any longer limited to "thin-customer" strategies, accessories put in directly within instant devices have improved access to equipment facets, sensors, and actuators. clearly, developers will want entry to a brand new generation of end-to-conclusion tools that work inside an open, usual tools integration platform. These will assist tackle the particular needs of multi-language, multi-platform, and multi-seller building environments.

    The challenge is to mix flexibility and large performance with the demands for extremely constrained reminiscence, processing, and battery vigour. 3G handsets may be built on a part base that gives the potent and reputable platform on which applications can also be hosted. 3G is the place the telephone world meets the computing world. Voice conversation will continue to be imperative whereas multimedia, comfortable e-enterprise transactions, and information services will provide differentiation. A 3G handset will should have the identical reliability as a cell, but the same performance as a computer, and nonetheless be small and power effective.

    Let's use an example as an instance the reality of merging voice, facts, and communications onto modern-day instruments (cellphones, PDAs, and handheld computer systems) and enabling a new dynamic e-company utility mannequin. A technician on a carrier name uses a handset to view a full-action video on a way to remove an element from a photocopier. using the equal handset, the technician submits an order for the half and receives verification that the half has been reserved for his consumer. using area-based services, the server software, identifying that there is a start van with the part on board in the local, makes use of a cellular SMS message to divert the motive force to the technician's area.

    As purposes are extended to cell devices, new technologies can be required to deliver productivity to the conclusion clients whereas protective them from the inherent complexities of integrating native and far off capabilities. native services reminiscent of bar code scanning, scalable vector pics, full-movement video, and voice navigation may be required on the equipment. far flung features residing in the provider infrastructure, similar to place-based (GPS), transactional, and messaging services, will should be accessed wirelessly via the device.

    All these applied sciences exist these days. To successfully combine and installation them on a confined handset is a "standard matter of programming." To get there sooner requires two things: the right platform and the correct tools.

    The role of Java in these techniques is hidden from the end person, nevertheless it will play a crucial role for the developers of the instant terminals and infrastructure machine.

    subsequent generation communique SystemsWhat are the motives for the usage of Java in 3G/2.5G terminals and infrastructure? Java might be a hit inside the conversation section for a similar causes it's a success in the IT phase: (1) time-to-market via productiveness, and (2) flexibility and balance via open necessities.

    shifting market demographics, global competition, and critical building and protection costs have bolstered the need for improved flexibility and productivity. no person utility or provider goes to meet all wants, and subsequently service suppliers ought to have the capacity to rapidly and efficaciously install new applications. This drives the simple thought of constructing a regular platform with predefined capabilities and shared capabilities that can also be configured in true time with functions and add-ons, resulting in differentiable conclusion items. The J2ME requirements supply a definition of this sort of platform for gadgets of various capabilities. establishing purposes in keeping with these J2ME requisites:

  • Ensures utility compatibility and portability with machine capabilities
  • Reaps the productivity benefits of the Java programming mannequin and accessibility to a perpetually growing base of knowledgeable builders
  • Simplifies the integration of applications and capabilities that reside in each the handset and infrastructure aspects of the instant hyperlink

    deciding upon the optimal J2ME implementation is vital, because it's the implementation of the "platform" ­ the underlying actual-time operating system (RTOS) and virtual computing device ­ that provides to a varying diploma:

  • a secure and cozy programming ambiance that protects the system from misguided add-ons that may corrupt the equipment
  • A layered application design with isolation mechanisms that avoid direct access to hardware and RTOS features
  • a quick and authentic execution atmosphere with minimal reminiscence consumption and efficient vigour utilization that permits purposes to take full potential of attainable hardware components with the intention to produce high high-quality service
  • demonstrated and authorized, now not just suitable, implementation in opposition t the J2ME requirements' "Java-powered" runtime atmosphere
  • An extensible platform for connecting functions deployed on the handset with statistics and applications in the infrastructure
  • Runtime downloading (and unloading) capabilities of each Java purposes and native device accessories
  • productive and intuitive programming equipment for all of the above

    In right here part, OSE programs and IBM describe how the mixing of RTOS and J2ME-licensed runtimes may also be optimized for the instant handset market. event is taken from their fresh efforts in integrating OSE programs' RTOS OSE and IBM's WebSphere Micro environment.

    building took place in an built-in equipment platform with building equipment based upon the open source Eclipse platform, an open well-known tools integration environment. building tools that are powered through Eclipse technology such asIBM's WebSphere machine Developer (an offering above all focused to embedded systems) are also mentioned as examples of the tooling needed for embedded Java applications.

    The right Platform ­ no longer All J2ME Implementations Are Created EqualJ2ME is a direct response to the consciousness that no longer all instruments are created equal. It provides a way for defining a lot of equipment courses and a minimal level of means and functions that can also be guaranteed on compliant instruments. It does not, although, specify how smartly these features will function. The satan is in the details of the platform's design, functionality, and implementation ­ how the particular person accessories of the platform, the RTOS, and the digital laptop are designed and carried out, what capabilities they've, and at the same time how they're integrated.

    regularly occurring PerformanceFootprint and reminiscence CostsOne of the biggest costs in a 3G handset is the reminiscence. Designing a tool with numerous expensive RAM and excessive-efficiency flash is not an choice for many producers. The correct platform will be according to utility specifically designed from the floor as much as be small, scalable, and configurable, now not carved down from an commercial enterprise implementation.

    The RTOS performs a vital position in saving memory, no longer simplest with the aid of proposing a scalable, small footprint answer, but also by way of implementing reminiscence-conserving aspects equivalent to:

  • Limiting the quantity of RAM consumed throughout execution
  • combating reminiscence fragmentation
  • assisting persistent memory kinds and enabling flash memory to feature as the work reminiscence, together with "fast-on" execute-in-location (XIP) points that enable structures to execute code at once from the flash memory with out prior loading into a RAM buffer
  • aiding dynamic remapping of applications' reminiscence pages between RAM and flash

    building on a strong RTOS, J2ME structures at the simplest degree assist in cutting back the reminiscence footprint for small gadgets through specifying the set of services accessible to an application on a compliant platform. This allows these features to be carried out as soon as and then be shared by way of each software. in the instant domain this also capacity superior performance as best the utility, now not the core capabilities, deserve to be deployed over the wireless connection.

    At a deeper degree, builders also need to look at the typical reminiscence of an application as it runs on the machine. Some digital machines seize small amounts of reminiscence up entrance (to cut back the initial footprint), and incrementally grab reminiscence because it's vital (costing in terms of velocity). Others grab extra memory up entrance, but much less over time (up entrance reminiscence hit, but sooner over time). The most reliable solution is a virtual desktop it truly is customizable and tunable. With J9, the digital machine inside WebSphere Micro ambiance, preliminary and incremental reminiscence heap area may also be set to satisfy the specific provider needs and equipment capabilities.

    ultimately, once the application has been designed and optimized, there are benefits to be realized in the way it is deployed to the gadget. reckoning on the class of software and the qualities of the machine, it can be more a good suggestion to execute the software out of flash as opposed to RAM. This may be to minimize RAM requirements or to provide the software with an "quick-on" capacity.

    ExecutionThe execution pace of purposes on these consumer handsets will continue to be a vital success factor. Java purposes have prior to now suffered a nasty reputation because of their interpretive nature. whereas it's authentic that interpreters will commonly run slower than compiled applications, the change at the application level is not necessarily substantive; in instances where it's important, there are optimized runtime options such as forward-of-time (AOT) and just-in-time (JIT) compilation.

    simply-in-time (JIT) compilation is a runtime alternative that uses a compiler in the digital computer to translate Java bytecodes into native desktop language for a selected equipment. A cache of memory incorporates compiled computing device language prepared "simply in time" for use. Execution of routine bytecodes is then dealt with without delay from the desktop language in cache. After the preliminary "compilations," JIT expertise improves efficiency at the can charge of increased memory and begin-up time.

    ahead-of-time (AOT) compilation is an choice that converts Java bytecodes into native computer language for the specific equipment at deployment time. in contrast to JIT, compilation happens on the development host. The effect may also be packaged "forward of time" right into a compact executable for direct loading and execution within the virtual desktop environment. AOT compilation will also be extraordinarily valuable when applied selectively to software hotspots. it might give close JIT performance with out the start-up time penalty and at a fraction of the memory expenses.

    The J9 virtual computer turned into designed first and most suitable to interpret bytecodes right now. constructing on this effective foundation, the JIT and AOT compilers deliver the application developer with alternatives for managing the pace versus memory can charge change-off. The significance of this adaptability is appreciable when you consider that the J9 virtual desktop can execute applications deployed as bytecodes, AOT or JIT compiled machine code, and, most vital, any mixture of the three.

    utility safety and ContinuityWhile ensuring reliability of standalone software purposes, it's equally critical to design a device with system robustness in intellect. Downloaded functions and functions can't be allowed to corrupt the gadget. Separation of device-critical and noncritical utility is fundamental and the operating device within the machine may still deliver isolation mechanisms and reminiscence insurance plan for this goal. for instance, in the case of OSE's dynamic loading/unloading capabilities of native software (C/C++), special insurance policy mechanisms had been introduced to ensure that loaded modules will be reminiscence included when taking abilities of a hardware MMU.

    Introducing a Java runtime ambiance that takes abilities of the RTOS' inherent security in a 3G handset has the splendid improvement of proposing a at ease and guarded environment for utility utility, which is often written in Java. The handset's native atmosphere (C/C++) that controls the gadget may be protected from the Java utility atmosphere. In device architectures that might advantage from stronger separation, dissimilar digital machines may exist on the handset and may be started and stopped impartial of each and every other. furthermore, when the RTOS helps native runtime downloads, even new, up-to-date Java digital Machines will also be dynamically installed after a handset is produced and deployed.

    Deterministic real-Time BehaviorDeterministic true-time habits is a requirement in state-of-the-art 2G mobile phones. To wirelessly convey your voice to any region on this planet within fractions of a 2nd, 2G structures consist of application that need to control radio accessories, digital coding and decoding of voice, the relationship with base stations, and setup amenities that connect and disconnect calls. relocating to 3G handsets will not change the requirement for deterministic true-time habits. users will now not accept calls suddenly being disconnected or the different birthday party's voice sounding sluggish and distorted.

    The challenge could be to retain cutting-edge brilliant efficiency and reliability, while introducing the new features that high-speed, packet-based mostly records transmission permits. For varied Java purposes to coexist in a aid-constrained equipment, the Java runtime ambiance needs deterministic precise-time habits.

    The design of the virtual machines has additionally moved ahead to enable for deterministic execution. One selected enviornment is in the garbage collection of the digital machine. for instance, the IBM J9 virtual machine inside WebSphere Micro environment has here aspects to assist within the development of deterministic functions.

  • precise-time methods should recover reminiscence efficaciously. search for points such as actual rubbish assortment (GC) as adversarial to conservative garbage assortment. GC may still also be incremental, so the digital computer is not locked all through GC.
  • within the most severe of deterministic cases, GC should also enable interrupts. This stops GC immediately so vital movements can be processed at the optimum viable priority. An instance of this may be receiving an incoming mobile call while gaming.

    Having a virtual laptop put into effect deterministic functions has limited cost if the underlying RTOS doesn't predictably enforce precise-time facets. working methods akin to OSE are an instance of a true embedded precise-time equipment, designed from the floor up for worrying wants like determinisms, reliability, and robustness. anyway the classical points such as preemptive scheduling, light-weight processes, small footprint (measured in tens of kilobytes), scalability, efficient interrupt dealing with with short interrupt latency, and an interrupt-situated equipment driver mannequin, there are different aspects to look for in an RTOS:

  • Message-primarily based structure to make sure ease-of-use, high performance, superior debug capabilities, clear IPC in allotted methods, and memory-covered programs
  • reminiscence administration with a spotlight on performance even when the usage of low-efficiency memory types, productive prevention of memory fragmentation, and assorted reminiscence swimming pools to enable strong equipment design
  • computerized error managing with a multilayered error handler method
  • procedure supervision and automated resource cleaning, which permits a gadget to be self-recoverable

    The appropriate tools ­ The Java Developer Is EfficientAs the 3G handset turns into a deployment platform inside an standard pervasive computing context, equipment to manipulate the end-to-conclusion task lifestyles cycle can be vital. It may be widespread to establish new development relationships as part of these initiatives. regularly several organizations or departments will deserve to collaborate on options that deploy throughout deeply embedded controllers, handsets, personal computer systems, servers, and even mainframe programs that handle thousands and thousands of devices at the same time as. The construction lifestyles cycle begins with managed necessities, then progresses to modeling, code development, debugging, installation and management initiatives, and checking out. checking out takes on new features as multiple handset platforms, deployment networks, internet functions servers, and service providers need to be accommodated. tools that manipulate all of those elements of task building and deployment must combine collectively well if builders are to growth efficaciously.

    As in the equipment runtime discussion, it will be critical for the Java and native (C/C++ and assembler) tooling environments to be smartly integrated. Being able to switch between task-mindful freeze-mode and run-mode debugging is critical in real-time techniques as definite bugs can not be discovered until materials of the gadget can execute whereas others are frozen.

    common source code debugging wants its complement in system-level debugging where movements will also be traced and analyzed, and design flaws will also be discovered. superior gadget-degree debugging is possible when the gadget design is according to a message-passing structure with automated aid cleaning, like OSE allows for. Profiling of the CPU and reminiscence utilization in addition to postmortem debugging are other obligatory debugging equipment. The OSE Illuminator debug device suite is carried out in Java, which provides for handy integration with a Java construction ambiance like Eclipse-primarily based WebSphere Studio equipment Developer.

    whereas Java's portability and productiveness benefits are smartly established, tooling designed for the embedded developer will deserve to deliver a few facets above and beyond these found in an easy IDE. true productivity is achieved with the following:

  • The capability to improve and debug in both on-host emulation environments and the actual on-device ambiance
  • The means to advance and debug mixed mode, Java, and C/C++ purposes
  • Execution analysis equipment that function on the gadget and highlight software bottlenecks with the aid of profiling reminiscence, stack and thread utilization, and priorities
  • Setup and configuration wizards that make sure applications are developed in opposition t the favored J2ME configuration or profile and for the desired target hardware
  • Wizards for recommending which portions of the utility should be compiled as Java bytecodes, AOT, or JIT executables
  • Wizards that package an utility for execution out of flash reminiscence (XIP)
  • Wizards for packaging functions for deployment inside an OSGi or business facet service
  • ability to seamlessly create new customized device facets or to integrate new or improved device capabilities from third-birthday party providers

    There are a big variety of competing and complementary operating structures and middleware know-how offerings accessible. New task and company relationships might also suggest that a developer needs to bridge between diverse tools and collaboration environments. because projects will often deserve to tackle further deployment environments, including growing and managing metadata for complex middleware, distinctive suitable construction choices may need to be regarded. When an open, extendable integration framework like Eclipse is the foundation for tools, it turns into less difficult to accommodate distinct-platform, distinct-language, and distinctive-seller development tasks.

    a part of the challenge for developers working to install solutions across server and wireless handset systems comprises collaboration and crew coordination. A normal equipment integration platform like Eclipse is equally at domestic in supporting loads of building languages (Java, AspecJ, C/C++, Cobol, and Smalltalk, as an instance) and a wide range of commercial enterprise and embedded deployment structures. Eclipse supports all these environments via common access to modeling equipment, checking out environments, and concurrent access to dissimilar source code repositories. a few vendors at the moment are offering solutions that combine their areas of specialization with the Eclipse platform.

    offerings like QNX Momentix and TimeSys TimeStorm use the identical Eclipse platform and provide speciality equipment for working with QNX Neutrino and TimeSys Linux in C and C++ language environments. supply code handle and management choices from computing device associates (All Fusion), MERANT (PVCS), Rational (XDE), Borland (collectively manage center), MKS (source Integrity), Serena (Workbench), LogicLibrary (Logidex Asset knowledgeable), Eclipse (CVS), Starbase (StarTeam), Telelogic, and Instantiations (CodePro Studio) assist you to plug in access to a number of VCM and supply code administration methods. offerings like IBM's WebSphere Studio application Developer prolong Eclipse to encompass visual editors, building of business features, middleware entry, and more. agencies like Quest utility, Parasoft, JUnit.org, and Scapa technologies have offered examine extensions.

    Summary3G handsets will should mix telephone reliability and actual-time necessities on small and aid-restricted devices with ever-changing application functionality. J2ME requisites provide definitions of accepted platforms for devices of various capabilities and should serve as the simple utility building blocks for these instruments. a hit implementations of the J2ME platform will require an RTOS and Java runtime atmosphere that focal point on deterministic precise-time habits and low memory utilization. a hit initiatives will should successfully combine and work with equipment from distinctive vendors for diverse construction and deployment structures and in distinct languages. The mixture of J2ME expertise and Eclipse-based tools is the important thing to potent options.

  • Eva Skoglund holds a grasp of Science diploma in desktop Science from the Royal Institute of technology in Stockholm. at the moment, Skoglund is product marketing supervisor for instant methods for OSE programs, a true-time operating techniques enterprise

    Bryan Hartlen works in enterprise building, product advertising, and IPlicensing areas and manages IBM's household of embedded Java products.up to now, he developed or managed application developers on structures thatranged from mainframe functions to store ground handle methods to PCMCIAcards.

    Marc Erickson has been a key participant in a few internationalinnovations from IBM including workflow expertise and service supportcenter construction. he is now on assignment as the communications managerfor Eclipse.

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

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

    News

    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 somewhat short supply, and as more Java projects get the go-ahead, tools such as these draw interest.

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

    The new ARAD tool targets enterprise developers, enabling them to build applications that have a strong 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 new tool as part of an ongoing trend to provide programmers with model-based development 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 real productivity gains.”

    Ever-increasing time pressures and ever-present budgetary concerns have been driving software development toward tools that emphasize productivity, Barnett noted. “Managing costs and timing are absolutely critical today,” she said. “Tools like this are addressing those issues in a very direct way by automating the development 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 development 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 development 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 think it’s safe to say that it has been fully baked.”

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

    IBM Rational also expanded its “Extended Development Experience” for testers and developers with a new product called IBM Rational XDE Tester, as well as with enhancements to IBM Rational XDE Developer. The big idea here is to provide developers with a “seamless design and development environment by tightly integrating the IBM Rational XDE product family into IBM WebSphere Studio, Eclipse and Microsoft Visual Studio .NET,” allowing developers to work directly within their IDEs.

    The Rational XDE Tester is a new 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 new debugging capability called visual trace that is designed to allow users to see application runtime errors and create associated UML models. This edition of Rational XDE integrates with Rational PurifyPlus, IBM officials said, and allows developers to work in supported versions of Java, Visual C# and Visual Basic .NET.

    The Rational Unified Process (RUP), a flexible software development process created by Rational, is intended to provide developers with customized yet consistent process guidance to development teams. IBM’s latest enhancements to RUP are designed to make 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, please go to www.adtmag.com/article.asp?id=6265

    About the Author

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


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

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

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

    Second, you need to know where the emulator and the default development 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 right away, you will be 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 be 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 all 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 look like 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 run it... nothing happens. Besides the actual image, you need to pass a VMID - a GUID identificator that will be uniqued to the specified instance.

    NOTE: You can generate GUIDs quickly here.

    The VMID parameter is required to be unique for every given running instance. Otherwise, you will be getting an error message like 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 run this command, the emulator should do a full OS boot (no, the main applications will still be locked) and will get in the "Ready" mode in around 30 seconds. As long as you change the GUID, you can run as many instances as your machine allows you to.


    Just How “Native” Do I Need to Go in React Native? | killexams.com real questions and Pass4sure dumps

    For the last couple weeks, our team has worked on a mobile application for Android and iOS. One of the biggest decisions we had to make was what kind of app we wanted to make: A hybrid web-based app? Or a native app? Then, decide on a framework to help us get 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 we needed to, while still 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 we wanted to access one of these, we dive into the native code, install the correct plugins, get the right permissions, make all the correct links, and then use it in our 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, we could have used a library full of these native module plugins from the start. That library is called Expo, and it aims to prevent us having to dive into the native code whenever we want access to the most common native modules. They essentially bake in access to all 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 all of these native modules so we stay in Javascript (like <Camera>, or <MapView>, for example).

    Another benefit 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. We don’t have to create entire standalone builds every time we want to test a new feature, and (most importantly to me, a Windows developer with an iPhone) we don’t have to have a Mac with Xcode to test our 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 do not have 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 still have access to the Expo SDK library, you lose the testing benefits of the Expo XDE or CLI, as you would have to now run standalone builds to test your app. But this is only necessary in advanced cases, as like 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 development approach, particularly whether you use Expo or not.



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    IBM 000-642 Exam (XDE Tester) Detailed Information



    References:


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