Few tips to estimate better by a Java programmer

It’s difficult to estimate an application before a single line of code written on the IDE: Can you imagine having a lifelong relationship with someone, about whom you don’t have any clue!! Nope!! The similar case happens when a java programmer is projected to estimate a java application at a time, when there is not a single line of code on his Java IDE!! It is probably one of the hardest tasks for any java developer or manager. But again, we have to start from somewhere so why not from here!! So, let’s have a brief analysis over how to start our next java application with a systematic manner so that we can avoid some unpleasant situations.

Understand the requirement of client properly: The most important step for any application development is to focus on the target or you can say aim. For the same, the java developer or programmer must communicate properly with the client and should try to understand what he is expecting from us. The developer must understand his requirements in order to kick start his process. After understanding the requirement, he must test feasibility of the application i.e. whether his requirements can be achievable within the technology constraints or not!!; because, sometimes we find some peculiar demands of clients which are technically unachievable till then. So, in that case, the java programmer must inform about the situation to the client with some other alternatives which can match his requirements to a close extent.

Develop a flow chart for your upcoming java application: After requirement gather, the Java developer must make a sketch of the flow diagram of the application. Well, this flow diagram is not final but still the developer must concentrate more on the flow chart in order to avoid some substandard obstacles in future.

You must expect an unexpected circumstance in future: Though it is a virtual step, but still we must think beyond our heart and mind. We should assume some unexpected obstacles that may come under our path in future to avoid unnecessary conflict with the client. So we should keep some extra space around to roam in case of any emergency or unexpected situations.

Determine the essential and optional modules to be developed: Now, the Java developer should start listing for the essential as well as optional module names that may be required over time. In this stage, the java programmer should analyse the flow of the application in advance to avoid future collision.

Put your experience and expertise to determine an estimated time and work hour: In order to provide a deadline to the client for which our client is extremely anxious, we must pay special attention considering all the constraints. Here, you have to put all our effort, experience and expertise that you have had gained over time to meet the client expectation. I would suggest playing a safe side here, you must keep some room for unexpected situations of future and unexpected demand of the client who wants all his new demands should fulfil within that old deadline!!

Still we can’t ignore human errors!! It is obvious that we can’t ignore the human errors in any case and hence in this case as well! For the same, more than 90% java projects crosses the deadline and we have to admit it!! You can get in touch with a Java web application development company who can help you develop web apps that are stable, scalable and secure.

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Benefits of outsourcing your Java development to India

Java ruling India more than a decade: I think you don’t need any introduction for the quality and reliability of java applications. Java has undisputed record for more than decade in a wide range of platforms starting from hardware, desktop application, software application, web application, mobile application and game development etc. So we can say java is everywhere in our life. From the early morning we get up till the let night we go to bed we use a wide range of devices or applications developed in java. If a language is having the same charisma for more than decades we can easily guess its importance in the enterprise and hence java developers are having a tremendous demand always in the market.

Outsourcing Java to India: Before a decade we hardly find the word “outsourcing” in our conversation. But now if anything is the talk of the IT town that is none other than outsourcing. Outsourcing is the process of transferring a local project to an oversee development centre to develop the application at lower cost and better quality. One US dollar is around 60 INR in Indian currency. Due to this huge gap in currency exchange java developers from India can develop better quality java applications for the US and Europe clients at low cost. This is like a win – win situation for both clients and the development farms.

Low cost: The biggest advantage of software outsourcing is low cost of development. If in USA a software developer demands $100 per hour then in India the same work can be done at as low as $20 to 30 or $50 per hour basis. This can give you a direct benefit of more than 50% on the development cost. Moreover you can see the status of your project work from a remote place through different communication tools like skype and other video chatting apps. So you don’t need to worry about the development process of your java application on a remote place developed by an expert team of java developers in India.

Better Quality: Well Indian IT developers are having a good reputation for developing better quality enterprise standard java applications. Java developers of India are now working in different countries for different software farms. Hence you don’t need to worry about the quality of your java application once you transferred it to an India expert team.

You don’t need any infrastructure: The biggest challenge for any client is the infrastructure. You need a 24×7 hours of internet connectivity, a well infrastructure for your developers etc. which will cost you a good amount of money in the startup. On the other hand, if you outsource your Java web application development project to an Indian software farm then you don’t have to take any such stress for the infrastructure. This will give you a chunk of dollars savings as well. The offshore development centers at India will do all these tasks for you without giving a single pain to you. So, it is really an awesome idea to outsource your next java project to India which will definitely bring a smile on your dimple with a buck of dollars on your savings account!!

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Developing android apps in Java. How supportive is the language?

Java has been ruling the industry more than decades: The only language that doesn’t need any introduction is none other than java. It is the only language which ruled the industry for more than a decade. A time when website was used as a symbol of aristocracy then java was ruling our day to-day life. At that time it was used to develop desktop applications and hardware programming for different devices. Imagine that old video game or VCD player, you will be astonished to know that those devices were having java within their core heart. We can’t ignore java in our life. Each and every device we see around us has java in its core. Moreover java is used to develop embedded system applications for different hardware over time, understanding the future demand, java expanded its broad heart to help the industry in every possible ways starting from desktop applications, web applications, mobile applications and now smart phone apps. All are within the eco-system of java; because, java is not only powerful but also helpful and efficient.

Java can be used to develop android apps: Java was there before the inception of Google. Moreover, Google’s ambitious android operating system is the brain child of C, C++ and Java developers. Since java is in the core of the Android operating system. Hence we can’t imagine developing Android applications without java. Though there are many other technologies which can be used to develop Android apps but java is in the top of the list. Java developers can develop different types of Android apps like web apps, native apps and hybrid apps. Moreover, for smooth and attractive browsing experience we have to rely on java developers in the form of native apps. Most of the industry leading Android native apps are built in java. So we can imagine the respect of java Android developers in the industry.

You just need to compile your java code to apk instead of jar: We all know that java is a platform independent language i.e., we can write a java programme on any machine and after compilation we can use it in any other machine which usually have a java virtual machine i.e., JVM. Hence java is also known as “write once, run anywhere language”. Well, Android operating system doesn’t have java virtual machine but, a sibling of JVM which is called as Dalvik Virtual Machine and it needs an .APK file to run on Android platform. We can convert our java application to .APK format using different emulators. But, instead of compiling the java programme to JAR file using JVM we should directly compile it in emulators to convert it to APK file, which can be used in any Android platform. Well, java developers must understand the importance of AndroidManifest.XML which controls all the features, layout and tasks of the application.

Security feature is the best as always: Since we are dealing with java programming language we don’t need to bother about the security features of our application. Moreover, once the application is developed by the java developers and complied, it gets converted into byte code which is next to impossible to crack. Hence we can expect an enterprise standard security features in our Android application built in java. So, when are you becoming a java Android developer! You can get in touch with a Java website development company who can help you develop web apps that are stable, scalable and secure.

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Difference between Java and JavaX

Java and Javax are the packages that are utilized within the Java programming language. Influenced by the C language, Java derives most of its syntax from C and C++. However, the facilities that it offers are superior to the other programming languages. It has been designed to serve general purposes and is hardly dependent when it comes to implementation. As compared to the other languages, it is more object-oriented as well as concurrent and class-based. It was initially developed at Sun Microsystems by James Gosling. Java was first released in 1995 as a core component of the company’s Java platform.

What is Java and Javax?

Both Java and Javax are packages. The command used to bring up a package is ‘import java’ while the one used to bring up java extension package is ‘import javax.’ This programming language is designed in such a way that it allows the same code to run across various platforms. Therefore, the developers can write the code once and reuse it on various platforms. Typically, thus, these applications are compiled with bytecode.

What are the packages?

It can be defined as a system that is utilized for organizing the Java classes into namespaces. These help in offering modular programming within the language. In several ways, the working is quite similar to the modules of Modula. It is also possible to store these packages within the JAR files. These are also referred to as the compressed files. When required the classes are allowed to download quickly, preferably in the form of groups. Programmers also use these packages in order to organize the classes belonging to similar categories or offer functionalities along similar lines.

Generally, there are various kinds of packages. For instance, the Java API is a collection of packages and there are sub-packages too. The latter are utilized to deal with XML. Initially everything that was part of the API was also included in the java packages. On the other hand, everything that was excluded in the standard API was a part of the javax. Therefore, it can be concluded that the latter is just an extension of the original one.

Benefits of using these

The codes are reusable. This is an important feature as reusability will help in saving a lot of time as well as ensure consistency. These packages allow the usage of the same class again and again by the program that wants to include the same. Additionally, these are also great ways to avoid a name space collision.

Is there any demarcation between the two?

Practically, there is not any difference between the two. In fact, over time, the use of javax has also become integrally related to the API. However, the only reason why it is not moved back to the initial package is because it would be a cumbersome process. It would also lead to the breaking up of various existing codes that prove quite useful. Rather, both the packages where included under the API.

Usage

The programmers use javax for standard extensions. These are also known as the optional packages. These are subsets of the APIs that are non-core. There are other segments of the non-core APIs which are also known as the non-standard extensions. These generally take up the namespaces such as com.sum. On the other hand, the core APIs would occupy the java namespace. Since everything in the API does not commence as a core, the extensions have to be created by sending requests to the JSR. Finally, they will be promoted as ‘wise counsel.’

What is notable at this point is that the extension file is found from Java2. It is missing in the first version of the programming language. When Swing was released in the javax package the differences between the two packages were reduced further. Presently, the differences between them are minimal. You can get in touch with a Java website development company who can help you develop web apps that are stable, scalable and secure.

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Reasons for using Java as modern web application development

Java is regarded as an excellent programming language with respect to the development of cross platform network applications. It boasts of a really great ecosystem in comparison to that of .NET or Objective-C. The developer gets the option of seamless transition of what is written in Java. One also gets the option to carry out scripting in Groovy or JRuby. Therefore, the professionals can take advantage of the powerful concurrency abstractions in Clojure. Moreover, it is free of cost. Thus, it is an economical solution that also ensures fast performance. Its impressive portability lets it to run on almost everything.

Portability

Portability is almost synonymous and acts as a key to this programming language. A program that is being coded with Java will thus run on all devices as well as on all sorts of operating system. Thus with Java, there is hardly any need to go for creation of different releases with parity to different operating systems. Moreover, it has in built security that renders the coding of safe programs easier. C# is also not as portable as Java is and at the same time consists of very few features that Java does not have.

Framework for all types of Applications

It has a suitable framework to meet the requirements of every applications of a developer. Swing or JavaFX for example pertains to simple desktop applications whereas Servlet or JSP EJB to online enterprise or database application. JDBC or Hibernate can be used for database applications.

Thriving community

This programming language enjoys a huge community that actually helps the programmer in the most critical of situations. It has been building wizards that are similar to the help wizard windows one comes across in windows that are ready to offer suggestions as well as hints to the users.

Open source and open to new ideas

The chosen programming language is free as it is an open source. It thus provides the opportunity to a wide variety of modifications and changes. As a result, the expert communities in order to make it easier for the programmer to make changes on a regular basis like that of building new frameworks. Reference can be made of Spring and Hibernate.

Speed, Portability and Security

Java has been able to maintain a good balance between Portability, Security and Speed that stand as the three pillars for its success. These three pillars are crucial to lend support to every programming language. One can draw the comparison between the chosen programming language and C/C++ with respect to these three pillars. C/C++ is really good in terms of portability along with speed but poor in security.

It is highly secure as it operates through several layers of security. It does not offer access directly to the operating system that underlies its functions. Though it slightly affects the speed but ensures strict security. Thereby it creates a healthy balance of the three leading to a successful programming language.

Write once and run anytime, anywhere

Java offers the programmers the freedom to write a function once which afterwards is allowed to run anytime on any device thereby contributing to the exciting feature of platform independence. Java compiler instead of creating an executable file creates a code that is half compiled termed as Bytecode. This Bytecode is then submitted to the Java Virtual machine that is installed in a specific operating system that understands the same. It then processes the same code for running the application.

Efficient Coding Tools

Java has numerous tools to offer for the purpose of efficient coding like Eclipse, Jdeveloper, Netbeans, etc. There is always a rat race going on amongst the tools as which will outsmart the other with respect to the ease of usage along with availability of beneficial features.

Java offers the extended benefits of reflection, sandbox execution, memory management to its users. It provides a more reliable code along with the handling of all related problems for the user. It actually relies on a virtual processor for execution of the code. The memory allocation for example is handled by the garbage collector by freeing memory automatically when not used automatically which in turn helps in enabling the optimization of the memory usage which serves as the ultimate factor in systems characterized by memory constrains.

There is a lot more to Java application development that makes one able to go on writing with the same. The communities have always been developing something or the other to modify as well as enhance the language thereby adding to the ease of the programmers.

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Hibernate in Java – What is it and how does it help?

Hibernate ORM or simply Hibernate, as it is called in short, is an object-relational library for mapping in Java. It is designed to provide a framework for mapping the object-oriented domain model of a conventional relational database. It also solves various object-relational impedance mismatch issues through the process of replacing the direct accesses to persistence-related database with some high-level functions of object handling.

The primary feature of Hibernate is mapping from various Java classes to the database tables and also from Java type data to the SQL type data. Besides, it also provides the option of data retrieval as well as data query. It generates various calls pertaining to SQL functionality. Besides, it also helps developers save time along with labor by automated object conversion as well as handling of result sets. Java based applications that use Hibernate support databases of SQL with hardly any performance overhead whatsoever.

Hibernate also comes up with ORM, which has everything to do with helping an application to achieve a certain degree of persistence. Again, Persistence can best be defined as the intention of the data of an application to outlast the process of the application itself. In terms of Java, it is to make sure that the state of the objects lives beyond the JVM scope of the same state that is available subsequently.

Specifically, Hibernate ORM is also concerned with the persistence of data because it applies to RDBMS. When we talk about the fraternity of the Object-Oriented applications, there have often been a hue and cry regarding usage of an ODBMS instead of RDBMS. It should be apt to mention at this juncture that RDBMS still remains extremely popular mechanism of persistence and it is likely to remain so in the days to come, and credit for this goes to Hibernate.

Its applications are also designed to define the persistent classes, which are mapped to the database tables. Besides taking care of Java class mapping to the database tables and from data types of Java to the data types of SQL, the applications also provide a wide range of retrieval facilities as well as data queries. They are also equipped to reduce the development time significantly, for otherwise manual handling of JDBC and SQL can be tediously time consuming and laborious.

The USP of Hibernate is that it is designed to considerably reduce the time for development, which is otherwise spent in handling data in JDBC and SQL. It’s another primary objective is to relieve the developers from most of the tasks (almost 95 percent) pertaining to programming that is related with common data persistence, through the process of eliminating the need of manual as well as hand-crafted processing of data with the use of JDBC and SQL.

However, Hibernate like most of the other persistent solutions cannot hide the SQL power and thus, makes sure that developers get more than what they invest. According to a certain school of thoughts, it might not be the most ideal solution when it comes to data-centric applications that can only use the store procedures for implementing business logic into a database it is extremely useful when it comes to dealing with models of object-oriented domains and business logic. Also, it is helpful in removing and encapsulating the vendor-specific SQL codes. It also helps in translating sets of results from the tabular format to graphical format.

A majority of the functionality that is provided by Hibernate is configurable. This phenomenon allows the developers to opt between various strategies that are in-build with the library. However, whenever the built-in strategies fall short of requirements, it provides the option of plugging in the developers’ own custom implementation through the process of implementation of an interface. Extension points generally include primary key generation, SQL dialect support, caching strategies, JDBC connection management, transaction management, ORM strategies, property access strategies, proxy creation etc.

It also has the capacity of abstracting the environment in which it is deployed. In the case of an environment that is not managed, Hibernate is equipped to take care of the transactions as well as the JDBC connections.

However, in case of environments that are managed, Hibernate can integrate with the container-managed transactions as well as data sources. It can well be configured for the deployment in managed as well as non managed environments. In both the environments, the first thing that is to be done is starting Hibernate. You can get in touch with Java web development companies who can help you develop web apps that are stable, scalable and secure.

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5 Features You will Love about NetBeans – A Java IDE

As an innovative integrated development environment (IDE), NetBeans is used widely by developers to build desktop, web and mobile applications. Despite being written in Java, the IDE still allows programmers to create application by using C, C++, PHP and HTML5. The free and open source IDE is further compatible with a variety of operating systems including Windows, Linux, Solaris and OS X. The developers also love to avail some of the top NetBeans features to become instantly productive. These features further help enterprises in curtailing both application development cost and time.

5 NetBeans Features that Developers across the World Love

1) Option to Work with Multiple Projects

Most developers love to use an IDE that allows them to work with multiple projects at a time. In addition to allowing developers to work simultaneously with multiple projects, NetBeans also enable them to work concurrently on several tasks. Further, they can keep multiple projects open at a time, while searching across those projects. For instance, while writing the code for a project, a programmer can get interrupted for handling an urgent support request. After resolving the issue, he can once again continue with the coding.

2) HTML5 Integration with Java EE 7 Applications

While developing Java EE applications, developers often explore hassle-free ways to integrate HTML5, CSS and JavaScript. NetBeans has made it easier for programmers to use several tools and wizards to integrate HTML5, JavaScript and CSS into the Ant or Maven based Java EE applications. At the same time, the flexible IDE further allows them to view live preview of the web pages on the embedded WebKit browser or the Chrome browser with NetBeans plug-in. They can further preview the web pages on Mobile Safari on iOS devices or Chrome on Android devices.

3) Apache Cordova Tools

Mobile application developers must be familiar with the native languages to create applications for mobile platforms like iOS and Android. The NetBeans allow mobile developers to build applications using known technologies like HTML, JavaScript and CSS. After writing the code, they can use the Cordova tools to convert the code into native packages. The Cordova tools can also be used to directly deploy the application to the native mobile device or native emulator. Once the application is deployed to the native device, the JavaScript and style CSS can be debugged directly on the device.

4) Code Formatting and Refactoring Tools

NetBeans IDE also comes with a set of tools that helps developers in formatting and organizing their code. Often developers have select and format a specific chunk of code according to the test brackets. The tools help them in formatting the code easily according to the development code that needs to be placed in test brackets. As the developer can select and choose the code that need to be formatted, he can eliminate the errors associated with auto-formatting and removing test-code brackets by mistake.

5) Easy Webservices

NetBeans is hugely popular among developers due to its effectiveness in running web applications and webservices in a fast and hassle-free way. The developers can easily integrate third-party applications and tools to test and debug their applications. Also, the web application can be set up and deployed without putting any extra time and effort. As all logs are stored inside the output console, many developers rely on the NetBeans IDE to debug the application faster. At the same time, the IDE also supports several web services to make it easier for the developers to directly deploy the internet application to the hosting service provider.

The most recent version of the NetBeans IDE also comes with a significantly more responsive Java Editor. Along with acting as the centerpiece of the IDE, the Java Editor also comes with a set of innovative features like enhanced code completion and Java code metrics. These hints and refactoring options help developers in making their code more organized and structured. You can get in touch with a Java web services development company who can help you with your projects.

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