Best Performance Software Testing tools in Java

There are a number of tools available in the market that evaluates the performance of the Java based applications along with their load stress capability. These evaluation tools or testing tools, as they are called, guarantee that the performance of the application during peak traffic time as well as under extreme stress remains unperturbed and optimal. Let us discuss some of the best of these tools.

Some of the biggest myths about Java

Java’s first version was launched in 1995 and since then several versions have been launched after fixing bugs as well as making improvements. Despite, being in the industry for such a long time, there are a lot of myths associated with Java since there are many people who will believe exactly what they want to believe, ignoring all better judgement. There have been much speculations, discussions as well as arguments related to various aspects of Java. This article aims to bust a few common myths that are associated with this language in the minds of people.

It is slow- A few people feel that this is slow in the start-up times, especially when compared with C++ or simple PHP applications. The applications may take some time for loading but the same can be said for .NET or other such big libraries. However, the latest Java update ensures that the loading time is much faster in comparison to the previous models. There is no point in comparing it to other programs as each has its own individual set of problems associated. C++ is the fastest but Java can be said to be faster than many other languages.

It is dead- This is said by a few since it has been in the industry for almost two decades and its last major release had been quite some time back. However, it is not fair to assume that it is dead just because of that since similar instances of no major releases can be found in C++ or Microsoft Windows. Other languages may evolve quite fast but you must remember that these languages are quite new, so they need much polishing to be done. Some people also cite that the language’s popularity is slipping through some indexes or statistics. But if investigated properly then it may be seen that these surveys are actually incomplete. They do not show the full truth, just investigate a few parameters.

Your hard drive may be read and files deleted by applets- The truth is that when applets attempt to access any local file, then a SecurityException will be thrown. The applets will crash if it is uncaught but without any file access occurring. Digitally signed applets that are granted with additional privileges, is the sole exception to this. A dialog box will be displayed by your browser to ask whether the applet author’s identity is accepted or not. If unsure it is best to choose no, to be safe.

Applets cannot be relied upon as differences in Internet Explorer and Netscape does not make writing stable applets a stable proposition- Different JVMs, various versions and kinds of browsers result in the varying behaviours of running applets. The users as well as developers may find the differences frustrating but the best solution for this is using single JVM to use across all browsers. This can be achieved by virtue of Java Plug-in which can bypass the JVM of browser to use its own, resulting in uniform performance.

Web browser is a must-have as Java cannot run without it- There are several forms of the code. Users are mostly familiar with applet running inside web browsers. But it is very simple to run Java application like normal programs. All you have to do is install JVM from some vendor to run the programs. A web server often runs Java servlets which may be termed as replacements for ASP or Active Server Pages as well CGI scripts. These are quite fast in fact and more efficient that CGI scripts.

Many people do not realize it, but there is a lot of potential in the language. There is more to the software than just applets. They are quite secure and hard drive will not be deleted. In case of any problem, installing plug-ins will help you solve them.

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Is Java Most Suitable for Enterprise Applications Development?

The Java programming application has become the most preferred choice for large-scale, steady business schemes and is becoming more and more popular in embedded systems for portable computing devices. With the arrival of faster processors as well as not so costly mass storage devices, Java is allowed to transcend the original limitations of the language, and this independent environment makes it suitable for developing global enterprise applications and web services. Moreover, many portable devices and smaller systems can benefit from apps written in this programming language.

Java as Dead-End Enterprise Application Process

In earlier days when Java was yet to be invented, one of the major industrial trends was to raise the productivity of end users as well as developers. For instance, to develop business applications, fourth-generation programming languages (4GL) like Progress, Uniface or Powerbuilder rendered professional developers various quicker means than using C, C++, COBOL or Pascal. Tools like Lotus Notes, Dbase or Visicalc provided end users with the unparalleled ability to create mini-applications without any requirement for development teams. In the early '90s, such productivity trend was thrown into a tizzy by the web. Now, enterprise application developers as well as software vendors need to write an entirely new generation of apps for the internet. This way the 4GL along with Internet forced developer productivity had to take the back seat.

For Web Apps Java Was at The Right Place at The Correct Time

To develop embedded systems, Java was designed in 1990 as an easier choice than C++. In 1993, the invention of the WWW initiated a meteoric change in Information Technology application development platform. Leading companies moved further and took advantage by marketing “network” servers like hotcakes and thereby offering Java as the platform for Web application development. Many other software vendors were caught off guard and for enterprise app development Java became the de facto web development standard.

Moving Ahead to Escape Drawbacks of Java Development Platform

This application has served its purpose and now it is time to go further as for enterprise-level app development, it seems to be too tricky or complicated. There are certain factors as to why business application development professionals must plan their escape from Java:

• With sophisticated business scenario as well as requirements the pace of change has increased.
• Development authoring is restricted to programming languages. Even though this platform supports additional programming languages such as Jruby or Groovy, the fundamental platform limits innovation to the conventional services offered by Java. Many new programming languages can be invented, but all of them should be applicable in the underlying environment.
• This platform botched the presentation layer as JavaFX is a failure while Swing is a nightmare. For pre-Ajax user interfaces, JSF was designed in spite of some implementations viz. ICEfaces incorporate Ajax. In the presentation layer, new UI approaches are found to have a steady stream that reflect Java's lack of leadership.
• The Java frameworks show complexity. Struts, Spring, Hibernate and other environments reveal deficiencies of this programming language rather than its strengths. Simply to do the basics, a future platform must not need a cacophony of the same approaches.

As One of The Most Significant Programming Languages

So far as enterprise apps development is concerned, there is no denying that Java plays a major role despite tons of rise and falls. For the programmers, it brings a number of benefits including scalability, ample flexibility, security, robustness and of course versatility within the application development frameworks. However, like any other application platform, Java too has certain limitations that can be easily retrievable using faster processors and less expensive mass storage devices.

With this programming language, you can invent almost any form of enterprise-level application. In today's world, many developers prefer using Java to build unprecedented business solutions by leveraging the features and benefits of this fantastic application platform.

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Top Pros and Cons of Java development Platform

No one can deny the contribution of Java toward transforming the web. With thousands of websites and web application running on Java platform, it has remained popular over many years. But the popularity of Java is impacted by the emergence of new web application development platforms and tools. Despite offering loads of advantages, the platform also suffers from several limitations. But a developer still has several options to reap the rich features and benefits of the language by overcoming the lacunas.

According to a report related to annual largest Java developer conference posted on Ixonos.com, “Despite challenges Java still has a strong position as an enterprise software development platform. It has potential to grow as a viable ecosystem and technical platform also in the future. Oracle has been taking decisive steps to move the platform forward. But it’s not just Oracle’s Java: a lot of organizations and individuals have invested in the platform more collaboratively than before.”

As a new generation developer has options to choose from several application development frameworks, he can easily evaluate the pros and cons of each platform. It is also important to choose a development platform that completely complements the nature and requirements of the project. So a programmer can always compare the pros and cons of Java as a development platform to take the right decision.

Advantages of Java as a Development Platform

Open Source: Unlike other web application development platforms, Java is open source and free. So a company can easily use the technology without paying any licensing fees. With companies frequently exploring option to reduce project costs, Java has been popular among them for a long time. Also, many companies will continue to use Java as they have already invested in the technology.

Cross Browser Compatible: Developers often decide a web application development platform by keeping in mind the latest trends in technologies. Many companies opt for cross platform technologies to easily target users regardless of their choice of operating system and web browser. As a cross platform technology Java uses Java Virtual Machine (JVM) to translate the original code into byte codes, and then compile it to machine level languages based on the operating system. The feature makes it easier for programmers to build application to target major operating systems and browsers.

Easy to Develop Complex Applications: The frequent changes in user demands have made it essential for companies to launch applications that are both dynamic and powerful. Also, each application has to be complex to meet the varying needs of individual users. As an object oriented language, Java allows users to build complex applications without putting any extra time and effort. The stack and array classes help them in building rapid prototypes, whereas the garbage collection enable programmers to avoid using any interpreters. The features further make it easier to develop complex application without writing lengthy code.

Easy to Learn: The programmers familiar with any C based language can easily learn the Java syntax. Also, the beginners can learn Java from the scratch within a very short span of time. The large and standard class library provided by the platform is also well written. So a programmer can always refer to the documentation to use the Java class libraries.

Option to Reuse Code and Third-Party Libraries: Each developer wants to build a powerful application without writing longer lines of code. As Java web development is widely used by programmers across the world, one can easily access a large collection of code and third-party libraries. Further, the comprehensive documentation available on the web will help programmers in understanding how to use IDEs. Also, a developer can choose from several IDEs to meet the application’s specific requirements.

Limitation of Java as a Development Platform

Support for Limited Programming Languages: As a development platform, Java supports additional programming languages like JRuby and Groovy. But the platform does not users to avail the advantages of these languages to build innovative services. Most developers still use the programming language support extended by Java to create conventional services. Despite allowing developers to invent new programming languages, the underlying platform makes it difficult for them to implement the new language features.

Pre-Ajax User Interfaces: The use of AJAX has transformed the way web applications were being developed. But most Java frameworks are not designed with full AJAX support. For example, commonly used frameworks like JavaDX, Swing and JSF are not the best option to build AJAX user interfaces. So developers look for more innovative and advanced frameworks that allow them to seamlessly incorporate AJAX in the applications.

Complex Frameworks: A number of web application development platforms have made programming simpler and faster. Many developers are using tools like WaveMaker and Microsoft Lightswitch to easily develop enterprise applications. Also, as Java is based on C++, many programmers consider it to be too complex to build enterprise business applications.

Many developers are waiting for the commercial release of Java 8 to avail a number of advantages like lambda functions. The existing features and functionalities provided by Java as a development platform are considered old-fashioned by many programmers. So Oracle has to release Java 8 with more innovative features to make it popular among the new generation of web application developers.

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JAVA: How it shaped the world as we see today

Despite being widely used in the web 2.0 era, Java will always be remembered as the technology that started the internet revolution, which subsequently completely transformed the way people used to communicate and gather information. Java application development is here to stay and continue metamorphosing the internet.

The internet revolution actually started in 1991, when Sun Microsystems initiated a project to explore the opportunity in consumer electricity. As part of the experimentation, the team of engineers assembled by the company created a language that enables heterogeneous networks of digital consumer devices and computers to interact with each other. The innovative language called Java was launched by the company in 1995, which subsequently changed the way businesses used to communicate, collaborate and stay connected with others residing in various parts of the world.

As the internet technologies were just starting to take off at that point of time, the team decided to use Java technology in the Netscape Navigator web browser. After more than two decades, the technology has become an indispensable part of the devices and application we use in our day-to-day lives. Along with computer, printers, routers, e-readers, home security systems, television, cable TV box, Blu-ray disc systems and mobile devices, the technology is being used, nowadays, to make powerful and complex applications to support ATMs, credit card, government IDs, robots and airplane systems.

Why Java is Different from Other Object-Oriented Programming Languages

Despite being used widely for developing web applications, Java is considered as a generic purpose programming language. Some of its features like operator overloading and multiple inheritance make it easier for developers to write much smaller codes. Further, the features make it convenient for users to run Java applets and similar small applications. A user can simply download the small applications from a web server, and integrate it seamlessly with his web browser to run it over the internet. These options are hugely popular among modern users to download and run Java applets to suit their specific needs. Also, developers launch Java applets at regular intervals by targeting the current trends in user demand.

As Java is an object-oriented programming language, it is also hugely popular among developers due to its striking features. But unlike conventional languages like C++, it allows developers to automatically handle pointers and manage memory through JAVA Runtime Environment (JRE). So you can easily avoid the errors associated with memory management and pointer handling. At the same time, the programming language executes type checking while compiling and executing the code. So it boosts the performance of your application by ensuring that the data structure is defined clearly.

Java, as a programming language, becomes more robust due to its automatic garbage collection system. You can also use a variety of independent programming tools to develop application by targeting several types of computer architectures. These tools are used widely by developers to build apps by targeting different operating systems, web browser and devices. You can use these tools to make your application compatible with the conventional as well as latest digital devices. A number of features like multiple inheritance, multi-threading and instant compilation further contribute towards making Java a powerful and high-performance programming language.

Despite being a robust programming language, Java has simplified the interpretation and compilation of codes to eliminate the chances of programming errors. Also, most of its logical structure and syntax are derived from C++. So a developer can easily write, compile and interpret codes using objects and classes. However, the Java source code is stored in separate files having .java extension. These files are further compiled in bytecode format with .CLASS extension, before the Java interpreter executes the files finally. A developer can also avail the compatibility provided by the JAVA Runtime Environment (JRE) to run standalone Java application in generic execution of coded programs. The feature is commonly used for developing several types of online video games.

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