Tag Archives: Java web application development

Why is Java Considered for Banking Applications?

Unlike the technology firms, banks and financial institutions are very conservative about deciding the programming language to develop applications. There are also many instances when banks have to compensate customers to minor defects in their applications. But a number of reports have highlighted that Java is being used widely as a high performance programming language for building a wide variety of mission critical financial applications. There are also several reasons why Java is considered by many organizations for creating banking applications. Continue reading Why is Java Considered for Banking Applications?

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Will Java 8 Adoption Rate Increase Amongst Developers?

Its design and programming features make Java one of the most popular computer programming languages. Despite being easy to learn and use, Java is platform independent, object oriented, multithreaded, robust and secure. Java also comes with networking capabilities to facilitate distributed computing. The developers can further write applications in Java SE 8 to avail a set of new features at the language as well as JVM level. Since its release in March 2014, the adoption rate of Java 8 is growing gradually among developers across the world. An increasing number of developers are switching to the most recent version of Java to avail several innovative features. Continue reading Will Java 8 Adoption Rate Increase Amongst Developers?

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.

Apache JMeter
This is an open source tool that is mainly developed for load evaluation and is essentially an application that is based on Java Platform. It is basically an instrument that is used for evaluating the performance. It is also designed to facilitate integration with the designated plan for assessment. The tool facilitates creation of functional test plans besides gauging the load capacity. It is designed to be loaded into a particular network or server so that it is possible to check its performance as well as evaluate its functionality under various conditions. Though originally designed for web application testing, its scope has substantially widened subsequently, opening up newer avenues of usage. It performs in Windows as well as Unix operation systems.

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NeoLoad
This is again a software that is essentially developed for analyzing as well as measuring a website performance. It also has the capacity to evaluate the end result along with the performance, while it also provides directives regarding the potential steps that can further be taken. All these help immensely when it comes to optimizing the performance of a Java based web application. The software also evaluates web application performance by enhancing the amount of traffic that visits the application, thereby increasing the load.

The tool comes in double version and is available in French and English and is compatible with OS like Solaris, Windows, and Linux.

LoadRunner
This is another product from HP, basically designed to measure performance of applications. It also helps to understand as well as determine the performance along with the outcome of a particular system during the time of actual load. One of the most amazing features of this tool is that it helps creating as well as handling a huge number of users simultaneously, helping to gather all the performance related information, and taking into account the infrastructure. LoadRunner technically speaking is a collection of various tools like Load Generator and Analysis, Controller, and VUS (Virtual User Generator). It runs on MS Windows and Linux Operating Systems.

Appvance
This is considered as the next generation platform for testing the performance of applications. Appvance or Appvance PerformanceCloud is regarded as one of the most successful broad-scale platform that is designed specifically for the enterprise clients. The platform is technically prepared for surfacing deep app as well as site issues and evaluation of performance during optimal load time. It also comes up with a unique designer functionality that facilitates test creation without the use of any codes along with playback that takes place on the actual browsers within the cloud through a uxAvatar technology.

The tool works on JMeter, Selenium, Dynatrace, Flash/Flex, Oracle Forms, and is capable of evaluating upto 1oM users simultaneously.

MockRunner
It is a lightweight framework that is basically used as an application for unit testing from within J2EE environment. It supports Struts actions as well as forms, filters, servlets, as well as tag classes. Besides, it also comes up with includes a JDBC as well as a framework that facilitates JMS testing. This framework for JDBC evaluation can be used as a standalone as well as combining with MockEJB, especially when it comes to testing applications that are based on Enterprise JavaBeans or (EJB).

DbUnit
This is a JUnit extension that can also be used with Ant. Besides, the tool can also be used for different projects that are basically database-driven.

In fact, this an excellent tool, especially when it comes to avoiding a string of issues emanating from the corruption of database by test cases, causing all the subsequent assessments to fail or worsen the damage that has already been done.

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Java for E-Commerce business – Is it good?

The computing platform, Java is independent, secure as well as robust, ensuring high performance. This network savvy, portable as well as architecturally neutral language uses automatic memory management. The programming language can be used to develop ecommerce applications easily due to the several feature sets that make it an effective ecommerce platform. It is platform-independent, network-aware, multi-threaded as well as object-oriented which make it really flexible. Near about any platform can be used for its running. Some of the reasons that have made it suitable for ecommerce business are discussed here.

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Java 2 Enterprise Edition- Also known as J2EE, it has proved to be a revolutionary influence in the arena of e-commerce. Strong server side application can be build through the robust and solid solution of J2EE. The technology is fully-able and is extremely beneficial as a development tool. Some of the tools included in it that helps in this respect are Servlets, JSPs or Java Server Pages, Enterprise JavaBeans or EJB, JNDI or Java Naming and Directory Interface, JDBC or Java Database Connectivity, JTA, JMS along with Java Mail.

No programmatic configuration of navigation- To set navigation, a specified pattern has to be implemented which can be really complicated as well as a time-consuming process. But when you are using JSF, all the complicated procedures can be avoided altogether. The framework handles the navigation entirely. All that is needed is to associate page views, URL patterns as well as logical outcomes together by using Faces configuration file. Developers can also follow another method- using the implicit navigation feature of JSF 2.0 that forwards requests automatically to a view having the same name as that of the requested URL pattern.

Good templating support- The Facelets technology can be used for templating and it helps maximize markup reuse so that redundancy in page views can be reduced. It also allows the preparation of views through standard XHTML syntax. It allows easy creation of template layout which is common for all page views. In fact the views can be rendered with the insertion of content that is view-specific in the template.

Neutral platform- Several kinds of communications are required in ecommerce and there is a lot of data that changes hands. For the interaction of so many various kinds of systems and platform, you need a neutral standard platform that helps in this data exchange. This requirement can be filled up with XML or eXtensible Markup Language. It is quite crucial; the role of Java here is that it provides a great support to XML which combines well with this programming language.

Validation support is in-built- Server side validation support is provided by JSF. All validation can be performed by creation of validator class as well as logic that is manually coded. The server-side validation will occur automatically by virtue of JSF at the particular phase.

View rendered with several markup languages- The API technology boasts of flexible rendering that enables the attaching of several renderers to component tree of an application that is JSF-enabled. Thus custom components can be created.

Server support- Java is supported by several application servers like IBM WebSphere, BEA WebLogic, etc which are full of different types of features. Now, any one of them can be easily chosen due to the support extended.

Labour division well-defined- A huge advantage of this technology is that there is a clean separation between presentation and behaviour of web apps. This is especially great for large projects since it provides separate development areas where various team members can focus differently.

Ecommerce developers prefer Java over any other platform since it offers a number of benefits in areas such as security, ease of use, portability, flexibility and accessibility. It is present at both server as well as client sides and coupled with its efficacy this makes for an unmatched killer combination.

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What is the Future of Java Web Development?

As a concurrent and powerful programming language, Java enables developers to run their code on multiple platforms without recompilation. Java is currently reported to be used by over nine million developers to client-server web application development. While releasing Java 8 officially, Oracle called it as “the Most Significant Upgrade to the Java Programming Model Ever.” Oracle even delayed the release of the most anticipated version of the programming language to make it meet the ongoing and upcoming trends in web application development. The new features will definitely contribute towards increasing the increasing the popularity and market share of Java in the future.

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Key Java 8 Features Web Developers were Looking for

Lambdas
Lambdas or closures are the most prominent feature of Java 8. The programmers can use lambdas to treat functionality as a method argument, treat code as data, and accomplish certain task by using concepts they are familiar with. Oracle has further designed lambdas after detailed discussion with the community of developers. Lambdas can be simply represented as a list of parameter separated using commas. However, developers have emerged the concept of functional interface by making existing functionality of the programming language lambda-friendly.

Extended Interface Declarations
The updates version of Java further uses default and static methods to extend the interface declarations. Despite making interfaces similar to traits, default method helps developers in accomplishing a different goal. They can use the method to add new methods to an existing interface without affecting the code’s binary compatibility with over versions of the interface. On the other hand, the abstract method can be user to accomplish these tasks without being implemented. As the default implementation needs to be provided by each interface, the implementers can inherit it by default.

StampedLocks
Often developers find it daunting to write multi-threaded code. They also have to use complex idioms to the core Java libraries to access the required resources by reducing the thread wait. Java 8 comes with StampedLock, a new and improved ReadWriteLock that works more quickly. However, the new ReadWriteLock is complex, and the programmers have to put some efforts to implement the concept properly.

Process Termination
When a web application has to launch an external process, its performance will be affected hugely when the process hangs, crashes or consumes 100% CPU. The developers have to debug the web application again to make it run smoothly. But Java 8 comes with the Process class that allows developers to manage these unruly processes smoothly by using the isAlive() and destroyForcibly() methods. The isAlive() method can be used to check if the external process is still alive, whereas the destroyForcibly() method will kill the timed-out process forcibly.

Controlling OS Processes
The JNI calls make it easier for developers to launch OS process from within the code. But there are always chances that the OS process may fetch unexpected results or affect the functionality of the internet application. Once a process is launched within the Java code, it tends to dangle. Java 8 enables developers to control the OS processes launched within the code efficiently by using three new methods. Along with checking if the process is alive and killing a process forcibly, the programmers can further use the method to specific amount of time they want the web application to wait for the process to be completed.

Repeating Annotations
Java 8 allows programmers to use annotation in any context. Now they have option to use annotations for almost everything in their code including generic types, local variables, super classes, interface implementation, parameter declaration, and declaration of method’s exceptions. The extended usage of annotation makes Java 8 friendlier for instrumentation tools and static analysis. However, the programmers have to decide when to use annotations according to the nature and needs of the code.

There are also a number of features that make Java 8 a powerful programming language for web application development. Some of these Java 8 features will further make it easier for developers to build large and complex internet applications within a stipulated time frame.

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Why is Java preferred over .Net by enterprises?

The question of whether to prefer Java (J) over .Net has been disturbing the fraternity of developers for quite some time. While some say that it is better to vouch for .Net rather than opting for ‘J’, another school of thought says that it is preferable to use ‘J’ instead of opting for .Net. Let us discuss the reasons for which the enterprises nowadays like to prefer Java over .Net.

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Open Source
The fact that Java is an open source language clearly implies that users will not need to pay any licensing fees to Oracle for developing any software using ‘J’. The language is easy, quick to learn and most importantly, complete with a number of value added features and functionality that meet today’s needs. On the other hand, the development of .Net is pretty time consuming as it is far more complicated than ‘J’. Moreover, .Net makes you shell out a substantial amount of money, albeit the presence of a string of free tools. Most importantly, .Net is often plagued by the presence of a number of features with limited functionality.

The advantage that the companies enjoy while using ‘J’ is that they are able to slash the cost of development by a considerable amount with the use of a specific framework for open source software development. Naturally, for the enterprises that are running on a shoestring budget ‘J’ is the best option to vouch for. Besides, since ‘J’ is an open source platform, it helps the developers in doing whatever they feel like and create software solutions as per their will, with the support of a number of development tools that are supported by ‘J’.

Java is platform independent
When it comes to developing cross platform software, ‘J’ is absolutely indomitable. The software systems programmed with the help of ‘J’ codes are executable and can be run across multiple platforms. This is because JVM implementations are cross platform and are compatible with all the major platforms.

When it comes to software development using .NET, Mono can be used for building applications that are compatible to all the major OS. However, what is missing in .NET that ‘J’ comes up with is the user-friendly approach. This is where ‘J’ scores over .NET. Frankly speaking, Java is indeed an ideal platform for software development that makes the entire development process much simpler as well as less cumbersome.

Active Community
The most important part if Java is that, the solutions are absolutely free of cost compared to Microsoft, which charges a hefty amount of money for each and every solution. Java, on the other hand regularly keeps on updating itself with new features, besides improving its functionality as well as effectiveness that comes in handy while creating Java platform. This implies that every software as well as applications can enjoy the advantage of the very latest state of the art technology, without any extra expenses whatsoever – a reason that is enough for the huge popularity of Java.

Safety and Security
Java is more popular because of the improved version of safety as well as security than any other programming language including .Net. Java comes up with certain features that include automatic null checking, verification of each and every byte before execution, run time checking of security along with a string of similar kind of features, which help the developers in building secured apps.

Besides all these, Java helps to infuse a tinge of intelligence in every aspect of our life by changing things that are around us or things that are indispensable parts of our modern life like various electrical or electronic devices, homes, appliances, cities, automobiles and other items that we use in our day to day life.

There are surely other programming languages that are quite useful and are regularly used, but when it comes to discussing about any matured software programming language, nothing can be as handy and as useful as ‘J’ and this is the reason enough that the language is more acceptable and adorable than any other programming language including .Net by the modern enterprises.

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