310-055 exam Dumps Source : Sun Certified Programmer for the Java 2 Platform, yardstick Edition 5.0
Test Code : 310-055
Test name : Sun Certified Programmer for the Java 2 Platform, yardstick Edition 5.0
Vendor name : SUN
braindumps : 581 real Questions
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ATLANTA, Oct. 1, 2018 /PRNewswire/ -- Landis+Gyr (SWISS: LAND.SW) announced its champion for the Wi-solar FAN Certification software launched by pass of the Wi-solar Alliance previous nowadays. As a Promoter Member of the Wi-sun Alliance that holds a Board of directors place, Landis+Gyr joins other member businesses in promoting the implementation of open, requirements-based container enviornment community (FAN) and the internet of things (IoT).
Utilities endure utilized domain belt networks to provide coverage for speaking property reminiscent of smart meters, sensors and automation contraptions across their carrier territory. With the growth in sensible city functions, daily specifications for FAN connectivity will extend the selections purchasable for purposes and contraptions in a position to live Part of the community.
Wi-sun's FAN Certification program will supply compliance testing of community accessories and devices to a communications profile developed from germane open standards and certify the product's skill to interoperate.
"Landis+Gyr strongly supports this certification application for the long dash value it'll add for utility grid modernization and IoT courses," illustrious Marius Chilom, Senior vice president and Chief technology Officer of solutions for Landis+Gyr. "The improved the interoperability, the greater advantageous these networks may live for the next wave of sensible grid and smart metropolis functions."
"Certification ensures interoperability, which is essential to the extend of IoT innovation," talked about Phil Beecher, President and CEO, Wi-solar Alliance. "we are pleased to officially launch the FAN Certification application and are excited for the first wave of FAN-licensed products to live deployed into the market starting Q1 2019."
The certification application will bear inevitable utilities, cities and repair providers endure access to adaptable, multi-service networks that will benefit bear positive interoperability into the longer term. different key merits for community operators consist of:
All Wi-solar licensed products are fastidiously confirmed via a Wi-sun appointed third-birthday party verify lab to ensure the instruments drudgery together readily and securely for rapid time to market. licensed instruments comprehend a digital certificate to authenticate entry to a Wi-sun FAN, vastly reducing vulnerability to cyber safety threats. under a part agreement, Wi-sun Alliance has appointed GlobalSign as the third-birthday celebration service provider of digital certificates for the Wi-solar FAN certification program.
About Landis+GyrLandis+Gyr is the leading international provider of integrated power administration solutions for the utility sector. offering one of the vital broadest portfolios of products and functions to ply complicated trade challenges, the company supplies comprehensive options for the basis of a better grid, including smart metering, distribution network sensing and automation tools, load control, analytics and power storage. Landis+Gyr operates in over 30 countries throughout five continents. With revenue of approximately USD 1.7 billion, the commerce employs c. 6,000 americans with the only real mission of assisting the world manage power more advantageous. more assistance is purchasable at www.landisgyr.com.
in regards to the Wi-solar AllianceThe Wi-solar Alliance is a global non-profit member-based mostly affiliation made up of commerce main groups. Its mission is to power the international proliferation of interoperable instant options for utilize in smart cities, sensible grids and other web of issues (IoT) applications the utilize of open international requisites from groups, such as IEEE802, IETF, TIA, TTC and ETSI. With greater than a hundred and eighty individuals worldwide, membership of the Wi-sun Alliance is open to utter industry stakeholders and comprises silicon vendors, product providers, capabilities providers, utilities, universities, companies and municipalities and aboriginal government businesses.For more tips, gladden dispute with: www.wi-solar.org.
Wi-sun Alliance and the Wi-solar Alliance brand are trademarks of the Wi-solar Alliance.
View long-established content material:https://www.prnewswire.com/information-releases/landisgyr-helps-lead-wi-solar-alliances-fan-certification-application-for-big-scale-iot-communique-networks-300721548.html
Paves a pass to accelerate IoT conclusion gadget Interoperability
SAN RAMON, Calif., Oct. 1, 2018 /PRNewswire/ -- The Wi-sun Alliance, a world ecosystem of member agencies searching for to speed up the implementation of open specifications-based mostly container enviornment Networks (FAN) and the cyber web of issues (IoT), these days announced its FAN Certification software. FAN is a communications infrastructure for extremely gigantic-scale networks. In the selfsame system you employ the internet on a smartphone or computing device, a box belt community lets contraptions interconnect onto one regular network.
the provision of the FAN Certification program is the result of the vision, collaboration and dedication of a yoke of Wi-sun Member companies. through the certification software, the Wi-solar Alliance certifies items in accordance with their compliance to a communications profile derived from applicable open requirements and their skill to interoperate with other Wi-sun licensed products.
The FAN Certification application will certify instruments for utilize by using utilities, metropolis developers and other provider suppliers to simplify and benefit tremendous-scale, outside networks for smart cities, smart utilities and different IoT rollouts – and to aid reduce charges and delays. Wi-solar contributors draw to announce certified products in this autumn 2018.
Proprietary methods are not any longer sufficiently flexible, or as competitively priced as solutions in response to open requisites, and should circle into much less valuable within a yoke of years. Adhering to the Wi-solar FAN profile in response to open IEEE and IETF requirements makes it feasible for carrier suppliers, sensible cities and utilities to install adaptable multi-provider networks and should assist live inevitable interoperability, no longer simplest nowadays, but furthermore for a long time to come.
"Wi-sun continues to live on the forefront of IoT innovation, and as cities, utilities and the commerce grows their IoT networks, they're increasingly recognizing that business-broad open necessities are fundamental for interoperability and scalability," says Phil Beecher, President and CEO of the Wi-sun Alliance. "FAN Certification is an endorsement for governments and the industry that their individuals' products are compliant to those open necessities, and safeguards best, interoperability, safety, scalability – and ultimately gives customers a aggressive competencies."
Key advantages of FAN Certification consist of:
All Wi-solar certified products are carefully confirmed by an authorized Wi-solar appointed third-birthday party examine lab to live positive the devices drudgery collectively without difficulty and securely for quick time to market. certified instruments encompass a digital certificate to authenticate entry to a Wi-sun FAN network, vastly decreasing vulnerability to cyber security threats. under a part contract, Wi-solar has selected GlobalSign to give certificate Authority (CA) functions to Wi-sun Alliance member corporations.
Third party comments:
Alex Davies, Senior Analyst, Rethink expertise research and Editor of rebel: "Open specifications are some of the most advantageous how you can bear inevitable mass adoption of a expertise. As with WiFi and the 3GPP mobile protocols, Wi-sun's FAN is providing varied decisions for equipment and know-how suppliers to facilitate customer hobby. energy suppliers and grid operators are concerned about supplier lock-in, specially due to the lengthy life cycles of their deployments. To this end, Wi-sun should soundless supply a solution to their mission-vital issues that different LPWAN alternatives can not. It opens the door for them to extend into other IoT markets, with smart cities a tremendous opportunity."
Iker Urrutia, supervisor, smart Grids, Avangrid: "IoT networking options according to open specifications and licensed to the Wi-solar FAN profile may live crucial in obtaining actual interoperability for utility functions, corresponding to AMI, accelerating the digitization of the grid in a value useful means."
Colton Ching, Senior vice chairman of Planning & technology at Hawaiian electric powered: "We proceed to peer Wi-sun expertise as a major enabler for giant-scale IoT purposes privilege through Hawaii with the supply of its FAN Certification application. The Wi-sun Alliance and its individuals endure taken a major step forward in bringing multi-vendor, interoperable options to fruition."
FAN Certification Availability: The FAN Certification software has been developed through the collaboration of Wi-sun member corporations, together with product providers and collaborators taking Part in interoperability pursuits to point to the requirements and certification test software. here are among one of the most businesses who were actively leading a pass to certification: Analog contraptions, Cisco, EPRI, Itron, Kyoto institution/Nissin systems, Landis+Gyr, ProCubed, Renesas and ROHM Europe.
To gain scholarship of extra about the pass to publish your products to live licensed, gladden visit http://www.wi-sun.org
making inevitable a product is compliant will furthermore live complicated so the Wi-solar Alliance is involved to aid and ply any issues. gladden live Part of Wi-solar for an upcoming webinar on Oct sixteen, 2018 at 8AM PT. during this webinar they will give an overview of the minute of certification and the pass to navigate the manner to achieve FAN Certification. For extra counsel and to register gladden click on here https://attendee.gotowebinar.com/register/9187903284805872385.
about the Wi-sun AllianceThe Wi-sun Alliance is a world non-profit member-based mostly association made of trade leading groups. Its mission is to pressure the international proliferation of interoperable instant options for utilize in sensible cities, sensible grids and other internet of things (IoT) purposes the usage of open global requisites from agencies, equivalent to IEEE802, IETF, TIA, TTC and ETSI. With more than one hundred eighty contributors international, membership of the Wi-solar Alliance is open to utter industry stakeholders and contains silicon companies, product providers, features providers, utilities, universities, organisations and municipalities and aboriginal government agencies.
For extra assistance, gladden search counsel from: www.wi-solar.org.
Wi-solar Alliance and the Wi-solar Alliance emblem are emblems of the Wi-sun Alliance.linked hyperlinks
source Wi-sun Alliance
These quizzes were written in accordance with the sun Java certification assessments. that you can learn extra Java questions in the Oracle quizzes Part - the Java certifications prior to now provided with the aid of solar Microsystems, akin to sun certified Java Programmer (SCJP), are now Part of the Oracle certification program.
The sun certified Programmer for the Java 2 Platform examination changed into at the start the first step toward many advanced Java certifications and accepted as proof of fundamental Java potential by solar, apoplectic Hewlett-Packard, site IBM, Oracle, and Sybase. for the intuition that then Oracle received sun certifications, but these questions may soundless prove useful for making ready for Java certification assessments.
Thirty questions in response to the goals for the solar certified Programmer for the J2SE 1.4 Platform examination.
This collection of questions become created to assist candidates prepare for the sun Microsystems licensed enterprise Architect for Java know-how examination. solar certifications endure due to the fact that been rolled into the Oracle certification program, ed but these questions can furthermore nevertheless point to helpful.
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This chapter explains what Android is, how and why it was developed, and where the platform fits in to the established mobile marketplace.This chapter is from the bespeak
The mobile progress community is at a tipping point. Mobile users demand more choice, more opportunities to customize their phones, and more functionality. Mobile operators want to provide value-added content to their subscribers in a manageable and lucrative way. Mobile developers want the freedom to develop the powerful mobile applications users demand with minimal roadblocks to success. Finally, handset manufacturers want a stable, secure, and affordable platform to power their devices. Upuntil now sole mobile platform has adequately addressed the needs of utter the parties.
Enter Android, which is a potential game-changer for the mobile progress community. An innovative and open platform, Android is well positioned to address the growing needs of the mobile marketplace.
This chapter explains what Android is, how and why it was developed, and where the platform fits in to the established mobile marketplace.
To understand what makes Android so compelling, they must examine how mobile progress has evolved and how Android differs from competing platforms.Way Back When
Remember pass back when a phone was just a phone? When they relied on fixed landlines? When they ran for the phone instead of pulling it out of their pocket? When they lost their friends at a crowded ballgame and waited around for hours hoping to reunite? When they forgot the grocery list (Figure 1.1) and had to find a payphone or drive back home again?
Figure 1.1 Mobile phones endure become a crucial shopping accessory.
Those days are long gone. Today, commonplace problems fancy these are easily solved with a one-button speed dial or a simple text message fancy “WRU?” or “20?” or “Milk and?”
Our mobile phones sustain us safe and connected. Nowadays, they roam around freely, relying on their phones not only to sustain in handle with friends, family, and coworkers, but furthermore to disclose us where to go, what to do, and how to attain it. Even the most domestic of events look to revolve around my mobile phone.
Consider the following true, but slightly enhanced for effect, story:
My point here? Mobile phones can solve just about anything—and they reckon on them for everything these days.
You notice that I used half a dozen different mobile applications over the course of this story. Each application was developed by a different company and had a different user interface. Some were well designed; others not so much. I paid for some of the applications, and others came on my phone.
As a user, I institute the undergo functional, but not terribly inspiring. As a mobile developer, I wished for an opening to create a more seamless and powerful application that could ply utter I’d done and more. I wanted to build a better bat trap, if you will.
Before Android, mobile developers faced many roadblocks when it came to writing applications. pile the better application, the unique application, the competing application, the hybrid application, and incorporating many common tasks such as messaging and calling in a intimate pass were often unrealistic goals.
To understand why, let’s hold a brief learn at the history of mobile software development.“The Brick”
The Motorola DynaTAC 8000X was the first commercially available cell phone. First marketed in 1983, it was 13 x 1.75 x 3.5 inches in dimension, weighed about 2.5 pounds, and allowed you to talk for a puny more than half an hour. It retailed for $3,995, plus hefty monthly service fees and per-minute charges.
We called it “The Brick,” and the nickname stuck for many of those early mobile phones they alternatively loved and hated. About the size of a brick, with a battery power just long enough for half a conversation, these early mobile handsets were mostly seen in the hands of traveling commerce execs, security personnel, and the wealthy. First-generation mobile phones were just too expensive. The service charges alone would bankrupt the average person, especially when roaming.
Early mobile phones were not particularly complete featured. (Although, even the Motorola DynaTAC, shown in device 1.2, had many of the buttons we’ve arrive to know well, such as the SEND, END, and CLR buttons.) These early phones did puny more than bear and receive calls and, if you were lucky, there was a simple contacts application that wasn’t impossible to use.
Figure 1.2 The first commercially available mobile phone: the Motorala DynaTAC.
These first-generation mobile phones were designed and developed by the handset manufacturers. Competition was fierce and trade secrets were closely guarded. Manufacturers didn’t want to expose the internal workings of their handsets, so they usually developed the phone software in-house. As a developer, if you weren’t Part of this inner circle, you had no opening to write applications for the phones.
It was during this era that they saw the first “time-waster” games open to appear. Nokia was eminent for putting the 1970s video game Snake on some of its earliest monochrome phones. Other manufacturers followed, adding games fancy Pong, Tetris, and Tic-Tac-Toe.
These early phones were flawed, but they did something important—they changed the pass people thought about communication. As mobile phone prices dropped, batteries improved, and reception areas grew, more and more people began carrying these handy devices. Soon mobile phones were more than just a novelty.
Customers began pushing for more features and more games. But, there was a problem. The handset manufacturers didn’t endure the motivation or the resources to build every application users wanted. They needed some pass to provide a portal for entertainment and information services without allowing direct access to the handset.
And what better pass to provide these services than the Internet?Wireless Application Protocol (WAP)
It turned out allowing direct phone access to the Internet didn’t scale well for mobile.
When the first clamshell phone, the Motorola StarTAC, was released in 1996, it merely had a LCD 10-digit segmented display. (Later models would add a dot-matrix ilk display.) Meanwhile, Nokia released one of the first slider phones, the 8110—fondly referred to as “The Matrix Phone,” as the phone was heavily used in films. The 8110 could panoply four lines of text with 13 characters per line. device 1.3 shows some of the common phone figure factors.
Figure 1.3 Various mobile phone figure factors: the candy bar, the slider, and the clamshell.
With their postage stamp-sized low-resolution screens and limited storage and processing power, these phones couldn’t ply the data-intensive operations required by traditional Web browsers. The bandwidth requirements for data transmission were furthermore costly to the user.
The Wireless Application Protocol (WAP) yardstick emerged to address these concerns. Simply put, WAP was a stripped-down version of HTTP, which is the backbone protocol of the Internet. Unlike traditional Web browsers, WAP browsers were designed to dash within the recollection and bandwidth constraints of the phone. Third-party WAP sites served up pages written in a markup language called Wireless Markup Language (WML). These pages were then displayed on the phone’s WAP browser. Users navigated as they would on the Web, but the pages were much simpler in design.
The WAP solution was powerful for handset manufacturers. The pressure was off—they could write one WAP browser to ship with the handset and reckon on developers to arrive up with the content users wanted.
The WAP solution was powerful for mobile operators. They could provide a custom WAP portal, directing their subscribers to the content they wanted to provide, and rake in the data charges associated with browsing, which were often high.
Developers and content providers didn’t deliver. For the first time, developers had a casual to develop content for phone users, and some did so, with limited success.
Most of the early WAP sites were extensions of well-liked branded Web sites, such as CNN.com and ESPN.com, looking for unusual ways to extend their readership. Suddenly phone users accessed the news, stock market quotes, and sports scores on their phones.
Commercializing WAP applications was difficult, and there was no built-in billing mechanism. Some of the most well-liked commercial WAP applications that emerged during this time were simple wallpaper and ringtone catalogues, allowing users to personalize their phones for the first time. For example, the users browsed a WAP site and requested a specific item. They filled out a simple order figure with their phone number and their handset model. It was up to the content provider to deliver an image or audio file compatible with the given phone. Payment and verification were handled through various premium-priced delivery mechanisms such as Short Message Service (SMS), Enhanced Messaging Service (EMS), Multimedia Messaging Service (MMS), and WAP Push.
WAP browsers, especially in the early days, were behind and frustrating. Typing long URLs with the numeric keypad was onerous. WAP pages were often difficult to navigate. Most WAP sites were written once for utter phones and did not account for individual phone specifications. It didn’t matter if the end-user’s phone had a mammoth color screen or a postage stamp-sized monochrome one; the developer couldn’t tailor the user’s experience. The result was a mediocre and not very compelling undergo for everyone involved.
Content providers often didn’t bother with a WAP site and instead just advertised SMS short codes on TV and in magazines. In this case, the user sent a premium SMS message with a request for a specific wallpaper or ringtone, and the content provider sent it back. Mobile operators generally liked these delivery mechanisms because they received a large portion of each messaging fee.
WAP fell short of commercial expectations. In some markets, such as Japan, it flourished, whereas in others, fancy the United States, it failed to hold off. Handset screens were too petite for surfing. Reading a sentence fragment at a time, and then waiting seconds for the next segment to download, ruined the user experience, especially because every second of downloading was often charged to the user. Critics began to call WAP “Wait and Pay.”
Finally, the mobile operators who provided the WAP portal (the default home page loaded when you started your WAP browser) often restricted which WAP sites were accessible. The portal allowed the operator to restrict the number of sites users could browse and to funnel subscribers to the operator’s preferred content providers and exclude competing sites. This benevolent of walled garden approach further discouraged third-party developers, who already faced difficulties in monetizing applications, from writing applications.Proprietary Mobile Platforms
It came as no surprise when users wanted more—they will always want more.
Writing robust applications such as graphic-intensive video games with WAP was nearly impossible. The 18-year-old to 25-year-old sweet-spot demographic—the kids with the disposable income most likely to personalize their phones with wallpapers and ringtones—looked at their portable gaming systems and asked for a device that was both a phone and a gaming device or a phone and a music player. They argued that if devices such as Nintendo’s Game Boy could provide hours of entertainment with only five buttons, why not just add phone capabilities? Others looked to their digital cameras, Palms, Blackberries, iPods, and even their laptops and asked the selfsame question. The market seemed to live teetering on the edge of device convergence.
Memory was getting cheaper; batteries were getting better; and PDAs and other embedded devices were birth to dash compact versions of common operating systems such as Linux and Windows. The traditional desktop application developer was suddenly a player in the embedded device market, especially with Smartphone technologies such as Windows Mobile, which they institute familiar.
Handset manufacturers realized that if they wanted to continue to sell traditional handsets, they needed to change their protectionist policies pertaining to handset design and expose their internal frameworks, at least, to some extent.
A variety of different proprietary platforms emerged—and developers are soundless actively creating applications for them. Some Smartphone devices ran Palm OS (now Garnet OS) and RIM Blackberry OS. Sun Microsystems took its well-liked Java platform and J2ME emerged (now known as Java Micro Edition [Java ME]). Chipset maker Qualcomm developed and licensed its Binary Runtime Environment for Wireless (BREW). Other platforms, such as Symbian OS, were developed by handset manufacturers such as Nokia, Sony Ericsson, Motorola, and Samsung. The Apple iPhone OS (OS X iPhone) joined the ranks in 2008. device 1.4 shows several different phones, utter of which endure different progress platforms.
Figure 1.4 Phones from various mobile device platforms.
Many of these platforms endure associated developer programs. These programs sustain the developer communities small, vetted, and under contractual agreements on what they can and cannot do. These programs are often required and developers must pay for them.
Each platform has benefits and drawbacks. Of course, developers treasure to debate over which platform is “the best.” (Hint: It’s usually the platform we’re currently developing for.)
The verisimilitude is no one platform has emerged victorious. Some platforms are best suited for commercializing games and making millions—if your company has brand backing. Other platforms are more open and suitable for the hobbyist or plumb market applications. No mobile platform is best suited for utter feasible applications. As a result, the mobile phone has become increasingly fragmented, with utter platforms sharing Part of the pie.
For manufacturers and mobile operators, handset product lines became complicated fast. Platform market penetration varies greatly by region and user demographic. Instead of choosing just one platform, manufacturers and operators endure been forced to sell phones for utter the different platforms to compete. We’ve even seen some handsets supporting multiple platforms. (For instance, Symbian phones often furthermore champion J2ME.)
The mobile developer community has become as fragmented as the market. It’s nearly impossible to sustain track of utter the changes in the market. Developer specialty niches endure formed. The platform progress requirements vary greatly. Mobile software developers drudgery with distinctly different programming environments, different tools, and different programming languages. Porting among the platforms is often costly and not straightforward. Keeping track of handset configurations and testing requirements, signing and certification programs, carrier relationships, and application marketplaces endure become complicated spin-off businesses of their own.
It’s a nightmare for the ACME Company wanting a mobile application. Should they develop a J2ME application? BREW? iPhone? Windows Mobile? Everyone has a different benevolent of phone. ACME is forced to choose one or, worse, utter of the above. Some platforms allow for free applications, whereas others attain not. plumb market application opportunities are limited and expensive.
As a result, many wonderful applications endure not reached their desired users, and many other powerful ideas endure not been developed at all.
Introduction to Java Programming Language
Java is a general-purpose, object-oriented programming language designed for the progress of software for consumer electronic devices, such as TVs, VCRs, toasters, etc.
Java is a platform neutral language, which means that it is not tied to any particular hardware or operating system. It guarantees users to ‘write once, dash anywhere.' The Java language is supported by almost every operating system, such as Sun Solaris, RedHat, Windows, etc.
The Java programming language was developed by Sun Microsystems of the USA in 1991, it was originally called Oak by James Gosling, who was one of the inventors of the language. The main goal for the developers was to bear the language highly reliable, portable and simple.
The team for the progress of Java language included Patrick Naughton, who discovered that the existing languages such as C and C++ had some major drawbacks in terms of reliability and portability. They modeled the unusual language Java on C and C++, while removing some features that they considered constraints. This made Java a really simple, portable, and powerful language. To learn Java basics, let’s revise the Java syntax.The History of Java
There is a chronicle of events that occurred during the course of progress of the Java language.
The main goal was to design a language that could proffer solutions to problems encountered in modern programming. The goal was for the language to live reliable, portable, and distributed, and at the selfsame time, it needed to live simple, compact, and interactive.Compiled and Interpreted
Java language combines both of these approaches, thus making Java a two-stage system. This approach was never offered before, as any language before was either compiled or interpreted.
Firstly, the Java compiler translates source code into bytecode instructions; bytecodes are not machine instructions.
Secondly, the Java interpreter generates machine code that can live directly executed by the machine that is running the Java program.Independent and Portable
Java programs can live easily moved from one system to another, anywhere and anytime. With changes or an upgrade in the operating system, processors and system resources will not force any changes in Java programs.
Java programming ensures portability in two ways. Firstly, Java compiler generates bytecode instructions that can live implemented on any machine, and secondly, the size of the primitive data types are machine independent.Object-Oriented
Almost everything in Java language is an object, which makes it a staunch object-oriented language. utter program code and data reside within objects and classes. Java comes with an extensive set of classes that are arranged in packages, which can live used in program inheritance.Robust and Secure
Java provides many safeguards to ensure trustworthy code. It has strict run-time, checking for data types. It is designed fancy a garbage collected language, i.e., it captures train errors and eliminates any risk of crashing the system.
Java systems verify utter the recollection access and, thus, ensure that no virus is communicated with an applet.Distributed
Java programming facilitates both the sharing of data and programs. Java applications can open and access remote objects on the Internet as easily as on any local system.Simple, Small, and Familiar
Java is a simplified version of C++, which is why it is intimate and yet different as it eliminates utter the redundant and unreliable code. For example, Java does not utilize pointers, preprocessor header files, and many others. It furthermore eliminates operator overloading and multiple inheritances in Java.Multithreaded and Interactive
Multithreaded means handling different tasks simultaneously. Java language supports multithreaded programs, which means that they necessity not endure to wait for one task to finish for another to start. This feature of Java greatly improves the interactive performance of graphical applications.High Performance
Java programming performance is very impressive, considering the fact that is an interpreted language, mainly because of the bytecodes. Java architecture is designed to reduce overheads.Dynamic and Extensible
Java is a dynamic language; it is capable of dynamically linking in unusual class libraries, methods, and objects. It can furthermore determine the ilk of class through a query.Ease of Development
Java 2 yardstick edition (J2SE) 5.0 supports features such as Generics, Enhanced for loop, Autoboxing or unboxing, Typesafe enums, varargs, Static import, and Annotation. These Java features bear it effortless for Java programmers by shifting the responsibility of creating the reusable code to the compiler, and also, the resulting code is free from bugs.Scalability and Performance
J2SE 5.0 improves the startup time and reduces the amount of recollection used in the Java 2 runtime environment. Learn more features of Java here.Comparison: C Vs. Java Vs. C++
C Vs. Java
The major inequity between C and Java is that Java is an object-oriented language and has a mechanism to define classes and objects in Java. The features of C that are not included in Java are:
The main inequity between C++ and Java is that Java is a staunch object-oriented language while C++ just adds an object-oriented extension to C. The increment operator in C++ indicates the selfsame thing.
The features listed below are intentionally omitted from Java to bear it better.
Let’s discuss Java Regular Expression and Java Array here.Java Language and the Internet
Java is often called the "Internet language" because the first application program written in Java was HotJava, a web browser used to dash applets on the Internet. Internet users can utilize Java to create applets and dash them locally using HotJava. A Java-enabled browser to download an applet located anywhere on the Internet can furthermore live used.
Java applets endure made the Internet a staunch extension of the storage system on local computers. Internet users can furthermore set up their websites containing Java applets that could live used by remote users.Java Programming and World Wide Web
World Wide Web (www) is an information retrieval system where any information or file is identified as Uniform source Locators (URLs) and are interlinked via hypertext links. WWW can live accessed with the benefit of internet.
Internet and Java programming both had the selfsame philosophy, and thus, they were incorporated with each other easily. Java made it feasible for the World Wide Web to champion animation, graphics, games, and a wide reach of special effects.
To communicate with any web page, Java uses APPLETs. The steps involved are:
The operations of Java and Java-enabled browsers on the Internet require a variety of champion systems, namely:
The Java environment includes a large number of Java development tools and Java classes and methods.
The Java progress tools are Part of the system known as the Java progress Kit (JDK), and the classes and the methods in Java are a Part of the Java yardstick Library (JSL), furthermore known as the Application Programming Interface (API).Java progress Kit (JDK)
The Java progress Kit includes:
The Java yardstick Library includes classes and packages, some most commonly used packages are the Language champion Packages. This is a collection of Java classes and methods required for implementing basic features of Java.
The java Runtime Environment facilitates the execution of Java programs, comprising the Java Virtual Machine (JVM). The JVM interprets the intermediate Java bytecode and generates the desired output.
1) Java plugin — This enables the execution of a Java applet.
2) Java Web start — This enables an application to directly launch from the web browser without installing. Learn more about Java Datatypes and Java Modifiers here.Java Constructs
Constructs are basically reserved keywords in any language, which cannot live used in leisure of the programs, i.e., a name of variables in Java, class, or method. Java has around 50 such words, they include:abstract for new enum super assert goto package extends switch boolean if private final synchronized break implements protected finally this byte import public float throw case instance of continue while throws catch int default return transient char interface do short try class long double static void const native else strictfp volatile Conclusion
Finally, In this Java guide, they learned about the history of Java programming language, important Java features, how Java is different from C and C++, how it is incorporated in World Wide Web with benefit of Web browsers, and the environment required for running Java applications. Hope this helps. Let us know what you arbiter in the coments below!
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