Tag: Java

Programming Languages Trends in 2021: The Future of Tech

Posted on by Akash Tripathi

2020 has been a substantial year for the software development industry and programmers, with numerous discoveries in a variety of fields. Because of the global pandemic, digitization has accelerated dramatically, so the trends we will be discussing today will be much larger than the previous year.

The development of software and web applications is becoming an essential part of today’s business, and developers or designers have become an essential part of the enterprise, assisting enterprises to come up with new ideas, spring up, and continue to flourish.

We’re already eight months into 2021, and it’s transparent that a developer with lopping skills will continue to stay at the top of the corporate ladder.

So, in this article, the main concentration will be on technology trends and planning for programmers in 2021. All of the fads discussed will be supported by facts, figures, and data from reliable sources in order to provide accurate information.

Top 8 Programming Languages to Learn This Year

Aren’t you all excited to know what awaits the technical industry this year and obviously in the near future. Making a tech stack decision for your software application? To start the New Year, you must be eager to see what changes will occur.

Making a tech stack decision for your software application? To start the New Year, we are all eager to see what changes will occur. Check out some of the latest technologies that are expected to gain popularity in both present and future.

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1. Python

This is the oldest programming language that was created back then in the 1980s by Guido van Rossum. Though it was a much backdated program, it’s functioning was great as a general-purpose performing language. Basically, Guido took the initiative to combine the most popular features of ABC and syntax to create a whole new scripting language that could resolve almost all issues.

In fact, the popularity of Python has resulted in the introduction of the latest trends in programming languages. The reason behind the popularity of Python nowadays is its simplicity, effectiveness and versatility to promote rapid growth. In fact, this is the top class web programming language that is one of the best opportunities for data science, machine learning and Internet of Things that have grown popular recently.

2. Kotlin

Kotlin was introduced in 2011 by JetBrains. When building tools for developers and project managers, the company used Java in its previous incarnation. JetBrains’ team, on the other hand, found that doing a lot of repetitive work was a real challenge. Scala, Clojure, and Groovy were used for a period of time by them. This was due to the fact that these programming languages were unable to meet all of their needs. A language was created with all the features they needed by the JetBrains team as a result.

Officially, Kotlin 1.0 was released in 2016. In recent years, it has been the fastest-growing programming language, according to the latest trends in programming languages. Kotlin was declared the preferred technology for Android developers by Google in 2019.

3. Scala

Scala was created by Martin Odersky in 2001. According to one of his interviews, the idea was to combine functional programming with object-oriented programming (OO programming). The creators of Scala, like other programming languages, had a specific purpose in mind. The goal, according to Odersky, was to provide component software with more advanced language support.

Scala has become one of the hottest programming language trends in recent years. Due to the fact that this programming language, along with Perl, has the highest salary worldwide, this is understandable. Among the hottest trends in programming languages is the demand for Scala developers. Due to the fact that this programming language, along with Perl, has the highest salary worldwide, this is understandable.

4. JavaScript

In 1995, while working at Netscape Communications, Brandan Eich developed JavaScript. Netscape Navigator was the first popular web browser launched by this computer services company at that time. A programming language was needed for this browser, and that was Eich’s job to do.

When JavaScript was first developed, it was called Mocha. When Netscape and Sun merged, JavaScript was born out of this combination. JavaScript’s popularity cannot be disputed. Stack Overflow’s survey of programming language trends confirms the above. Professional developers use JavaScript the most.

5. Swift

As a member of the Apple developer community, Chris Lattner began working on Swift in 2010. New programming languages draw their inspiration from a number of technologies. C#, Objective-C, Ruby, Python, Rust, and Python are among them. It comprises great typing and error handling features that helps in avoiding major errors and crash codes.

Quickly replacing Objective-C with Swift is one of the goals of this new programming language. Since the 1980s, there have been no significant changes to this programming language. As a result, it was devoid of modern functionality and was outdated. According to Stack Overflow’s most recent programming language trends, Objective-C is one of the most feared languages.

6. Go

Procedural programming language Go was introduced in 2007. Three Google developers came up with the idea for the app: Robe Pike, Ken Thompson and Robert Griesemer. Go was designed to increase the productivity and scalability of Google’s software development efforts.

In 2009, Go was re-released as an open-source project by its developers.

Report on programming language trends has been released by hacker ranking service HackerRank.

In their study, developers ranked Go as the top scripting language they seek to study. Mic Wlodkowski, Senior Front-End Developer at ContextFlow, explains why he thinks this programming language is becoming more popular. Go, he says, is capable of multi threading and concurrency, and he explains how. Using these concepts, developers can create apps quickly and easily with simple coding techniques.

7. Java

James Gosling invented Java in 1995. In the beginning, it was intended for use with different tv systems. At the time, the technology, however, was deemed to be too advanced, so it was reused for internet programming. The best part about Java is that it can be run on any computer without any support of any kind of virtual machine.

Moreover, you can also run multiple threads at a time on your computer with the help of Java. If you run multiple threads independently with each other then they will eventually contribute to efficient application performance.

It efficiently distributed computing and allows few computers to work on a single network together. But this cannot be denied that Java is slower when it comes to its performance and you won’t even get any backup facility as it mainly operates on storage.

8. Ruby

Midway through the 1990s, Yukihiro Matsumoto created Ruby. A programming language that would increase developer productivity was his idea. Finally, now comes the last programming language that is Ruby. Ruby on Rails is a technology that we could not ignore as a Ruby and Ruby on Rails Development Company.

The best part about this programming language is that it has the ability to extend the functionality that already exists in the form of gems. In fact, Ruby is considered the best due to its simplicity and readability. You won’t face any type of issue with the understanding of its codes.

I’ve worked with the team at AndolaSoft on multiple websites. They are professional, responsive, & easy to work with. I’ve had great experiences & would recommend their services to anyone.

Ruthie Miller, Sr. Mktg. Specialist

Salesforce, Houston, Texas

LEARN MORE

Conclusion

It seems like the future of software development is bright. There is a huge variety of top computer languages for any software development project, according to current trends in programming language usage.

Your final decision will be based on the type of application you plan to build and your business’s specific needs. These are the top scripting language trends that you should be aware of.

Clearly, there are many technologies that can be used for virtually any type of web project. Make the right choice by defining the type of application you want to establish and your business requirements.

Best Java Frameworks To Build Extensible Applications

Posted on by Jay

It’s 2020, Java has completed 24 years in the industry but is still popular as the most commonly used programming language worldwide. It is supported by a huge community and above 9 M Java programmers in the world.

Java is a not so simple language, yet chosen mostly for custom web application development. Surprisingly, more than 1, 34,861 websites including Amazon, eBay, Dell, and ESPN, have been using Java Frameworks.

The following chart gives you a clear idea about the use of Java in different industries.

Java TechTop Industries Using Java(Source – https://enlyft.com/tech/products/java)

It is now easier to build highly scalable and secure customer-oriented apps with java web frameworks.

Being a strong and dynamic language, when it gets paired with best Java frameworks, offers exceptional solutions for different industry verticals; from eCommerce and finance to banking, education, healthcare, etc.

Web FrameworksJava Developer(Source – https://www.jrebel.com/blog/java-web-framework-usage-stats)

Java has little competition when programmers need tools to make enterprise-grade applications. It is very helpful in building windows, mobile, web applications, and more.

If you are a web developer with prior experience in Java, you can start with the best Java frameworks anytime. Well, before you take a plunge into it, let’s have a quick review of Java frameworks, their application, and why you always need to choose the best of them.

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What Java Frameworks Are?

A Java framework is nothing but a per-written code structure available for faster, easier, and effective development/implementation of web applications.

It is a type of template which comes included with specific tools, libraries, compilers, and APIs for increased productivity of the developer.

Java frameworks give developers the flexibility to go for Java web application development by adding their app code and re-using the basic features in it.

They all have the same coding structure and operate with identical terms, concepts, etc.

What is the Use of Java Frameworks for Application Developer?

A Java framework lessens the burden of writing the application code from scratch. It provides a basic structure to the java developers for web apps while automating so many things for reliable and precise outcomes.

They also have predefined classes and functions to respond well to both software systems and hardware devices, based on their type.

As a Java developer, you are free to use any framework just by calling the related inheritance, functions, etc.

Why Choose the Best Java Framework All the Time?

There are so many options available in Java frameworks. However, you can’t expect them all to be perfect in all aspects.

Each of them has its strengths and weaknesses too. By choosing and using the right framework, you can ensure the long term performance of a Java web application.

As a Java developer, you should find a framework that matches your app requirements, not being the best in features.

This is where most developers go wrong. After all, your objective is to develop a web app that functions well and can be extended in the future.

Top Java Frameworks to Work with

You have different frameworks for Java web application development, serving special purposes, and fitting specific app requirements.

Are you still wondering how to choose the right Java framework for your next project?

Here is mentioned a quick list of the best Java web frameworks for your reference.

1. Spring (Modern & Developer Friendly Java framework)

It is a popular, lightweight, and feature-rich web application development framework used for building enterprise-level apps.

The basic features of the spring are effective for making any kind of Java app such as streaming, Web Socket, web, etc. It is better known as a comprehensive modular framework having REST APIs, secured authentication, SOAP services, and many more add-ons.

This framework is excellent for development as well as the implementation of all layers of a real-time app. With it, you can also develop any specific layer of a real-time app which is not possible with other frameworks.

Spring has additional modules including Spring MVC, Spring Boost, Spring Core, Spring Security, Spring ORM, Spring Transaction, etc.

Strengths

  • Support classes for the JDBC to ensure decreased errors and improved productivity
  • High degree of modularity to add to code readability
  • Facilitates XML and annotation-based bean configuration
  • Simple dependency injection (DI) to test code data through POJOs (Plain Old Java Objects)
  • Provides libraries for backward compatibility and better code testability
  • Utility
  • Web app development
  • Enterprise Java (JEE)
  • Any kind of Java app

Examples: – Amazon, eBay, Netflix (Spring Boot)

2. Struts (Fully Featured Enterprise-level Framework)

Struts is an open-source framework based on the MVC model and designed by the ASF (Apache Software Foundation). It is capable of creating a more coupled MVC structure, unlike Spring MVC. Struts enable Java developers to build easy to maintain Java apps all the time.

It is expandable using plugin architecture so that various project needs can be met. Struts integrate well with plugins specific to the JSON, REST, and Config.

You can manage coding tasks that are not exclusively built in the MVC framework by using Struts in integration with other Java frameworks. For instance, the dependence injection included in the spring plugin can be used for object mapping in Struts.

Developers can use various client-side technologies from HTML with Angular to Java Server Pages to create front-end apps.

Strengths:

  • Long existence makes Struts reliable and free of errors.
  • Compatible with REST, SOAP, and AJAX.
  • Allows modular app development, management, and integration with third-party components.
  • Supports themes and templates.
  • Use of simple POJOs (Plain Old Java Objects)
  • Utility:
  • The Struts 2 version is perfect for MVC-based web app development.
  • It makes use of and expands the Servlet API to let developers adjust to the MVC model.

Examples: – Accenture, Infosys, NexGen Technologies

3. GWT (Free to Use and Open-source Web Framework)

It is one of the best Java frameworks allowing the developers to build front-end Java applications with JavaScript quite fast.

Google Web Toolkit contains core Java API libraries, widgets along with a compiler, and development server. You can develop a Java web app and later cross-compile it into JavaScript with the help of GWT.

You can easily write complex browser-based applications with the use of GWT. It helps in developing and debugging Ajax applications in Java language.

The best thing about Google Web Toolkit is that you don’t need to be proficient in front-end technologies to start with progressive web app development.

It has great functionalities like internationalization, bookmarking, cross-browser compatibility, history management, UI abstractions, etc.

GWT is popular for coding responsive and performance-oriented web apps with relatively less load on server-side and heavy utilization of the client-side.

Strengths

  • Supports code reusability for standard web development activities.
  • Google APIs can be included in apps built with GWT.
  • Ensures support for unit testing, localization, internationalization, etc.
  • Online tutorials are available to learn it easily.
  • Helps the app load easily by separating code into separate JavaScript files.

Utility

  • Helps in developing and maintaining complicated JavaScript front-end apps.
  • Inclusion of Google APIs.
  • Making of progressive web apps.

Examples: – Blogger, Google AdSense, Google Wallet, etc.

4. Grails (Groovy-based Dynamic Framework)

Grails is a full-stack web app framework, supported by the Groovy JVM (Java Virtual Machine) coding language.

It is a dynamic platform written in an object-oriented language, Groovy, which aims to improve the developer’s productivity.

Java Developers can not only enjoy static-typing but are also capable of static compilation with Grails.

Being a developer, you will always find Java-compatible syntax in it which can be later compiled to JVM bytecode.

Grails integrate well with other popular Java components and technologies such as JEE containers, SiteMesh, spring, Hibernate and Quartz, etc.

Since this framework is built on top of the modular Spring Boot, it inherits the time-saving qualities from the same.

Strengths:

  • The Setup procedure is quite easier
  • Object-relational mapping (ORM) becomes easy
  • Ensures a rapid development cycle
  • Integrates with a range of plug-ins for easier coding
  • CSS management is easy
  • Supports dynamic configuration
  • It has clean and clear documentation.

Utility:

  • MVC pattern web apps
  • Rapid application development
  • e-Commerce websites

Examples: – Foodtube, PEP Store, Tropicana, etc.

5. Vaadin (Cross-platform Java Framework)

Vaadin is the last one in the list of top Java frameworks. It is a nice framework focused on UX (User Experience) accessibility.

Vaadin is a robust platform for modernized Java development. You can also use it to build custom component-based web apps.

A big plus of using the Vaadin framework is automated communication between client and server.

Vaadin gives you direct control over the DOM while running on the JVM so that no extra steps will be required to integrate and expand the components.

With the launch of the new version (Vaadin 10), the earlier massive framework has got divided into 2 parts.

Vaadin Flow is the lightweight part among them, handling routing and communication between the client and server.

Vaadin components are easy to integrate with any IDE you choose and use. Due to its cross-platform compatibility, it does not involve any code migration into a separate platform.

Utility:

  • Modernized Java app development
  • Custom component-based web development

Strengths

  • Facilitates data binding with MVP or MVC
  • Dragging and dropping support, together with other, wonderful features that lead to easy development of single-page User Interfaces for Java apps.
  • Web Socket support for automated server-browser communication.
  • Routing with the different levels of the nested route and multiple parameter support
  • Supports Java Virtual Machine languages such as Scala and Kotlin.
  • Built-in Spring support

Examples: – Puma, Volkswagen, Bank of America, etc.

I’ve worked with the team at AndolaSoft on multiple websites. They are professional, responsive, & easy to work with. I’ve had great experiences & would recommend their services to anyone.

Ruthie Miller, Sr. Mktg. Specialist

Salesforce, Houston, Texas

LEARN MORE

Conclusion

The above list is not final as you have many other popular Java frameworks beyond it to cover your project needs.

All the above-mentioned ones are great—as far as popularity and use are concerned. Just remember that once you use a framework and learn to make the most of its features, changing to another one will never be difficult.

Before picking a framework, weigh your app requirements, its level, and your work experience with Web Frameworks and in Java application programming. Then, tick on the framework that fits your needs.

We are here to recommend the most suitable Java framework for your web application development.

Share your app requirements and see how fast we can offer you a solution.

For Java related queries or concerns, chat with us now!

How To Install, Setup And Implement NodeJS In PHP Application

Posted on by Jay

What Is NodeJS?

Typically in web response paradigm, the client always initiates communication, but with the help of NodeJS now both the client and server can initiate communication, allowing them to exchange data freely.

In simple words, after a database update the client needs to request the server to get the latest data. But using NodeJS, a client can send the updated data to NodeJS and the NodeJS will distribute the data across all the clients. So, no need to initiate request by each client to the server to get the latest data.

Where We Can Use NodeJS?

Below are the few examples where you can get the best out of Node.js,

  • A counter which updates after a record insert into database.
  • Show real-time activity like Twitter or Facebook.
  • Implement Desktop notification to notify users about what others are doing.
  • You can build a chatting tool using the non-blocking, event-driven I/O paradigm of NodeJS

Install And Setup NodeJS

  1. Install NodeJS and NPM
  2. Install socket.io using NPM
  3. Install Forever

Run the below notification.js file forever using the “Forever”. (it should not stop)

notification.js

var fs = require('fs');
/* If you are using SSL, uncomment the below lines*/
/*
var options = {
    key: fs.readFileSync('/var/www/html/YOUR_CERTIFICATE_FOLDER/your_project_key.key'),
    cert: fs.readFileSync('/var/www/html/YOUR_CERTIFICATE_FOLDER/your_project_crt.crt'),
    ca: fs.readFileSync('/var/www/html/YOUR_CERTIFICATE_FOLDER/your_project_ca-bundle.ca-bundle')
};
var app = require('https').createServer(options, handler);
*/

var app = require('http').createServer(handler); // For non-ssl server
var io = require('socket.io').listen(app);
app.listen(3002);
function handler (req, res) {
	res.writeHead(200);
	res.end("Welcome to socket.io.");
}
/** This section is for receiving and sending message **/
var Room;
io.sockets.on('connection', function (socket) {
	socket.on('subscribeTo', function (data) {
		if(Room){
			socket.leave(Room);
		}
		Room = data.channel;
		console.log('Connecting client to: '+data.channel);
		socket.join(data.channel);
	});
	socket.on('iotoserver', function (data) {
		console.log('here we are in action event and data is: \n-----------------------------------------------------');
		//var dataJSON = JSON.parse(data);
		//socket.broadcast.emit(dataJSON.channel, { message: 'A new socket added and sending message.' });
		socket.broadcast.to(data.channel).emit('iotoclient', { message: data.message });
		//io.sockets.in('game').emit('message', 'cool game');
		console.log(data);
	});
});

NOTE: Your Node.js should run with the port “3002”. Try to use another sub-domain/domain to call your Node.js server. Another server is always a good option.

Implement NodeJS In Your Application

Use Elephant.io (a socket.io client) to send message to NodeJS.
Get the ElephantIO package from, https://github.com/Wisembly/elephant.io/tree/master/src
You need the Client.php and the AbstractPayload.php file only.

<?php
use ElephantIO\Client as ElephantIOClient;
include("ElephantIO/Client.php");

$elephant = new ElephantIOClient('http://www.your-node-server.com:3002', 'socket.io', 1, false, false, true);
$elephant->setHandshakeTimeout(1000);
$elephant->init();
$elephant->send(
ElephantIOClient::TYPE_EVENT, null, null, json_encode(array('name' => 'iotoserver', 'args' => array('channel' => 'my_first_channel', 'message' => 'my message to all the online users')))
	);
$elephant->close();
?>

Put this JavaScript in the page, where you want to receive the real-time notification

<script src="http://cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js"></script>
<script>
try{
  var client = io.connect('http://www.your-node-server.com:3002');
  
  client.on('connect',function (data) {
  	client.emit('subscribeTo', { channel: 'my_first_channel' });
  });
  
  client.on('iotoclient', function (data) {
    alert(data.message);
  });
} catch(e){
	console.log('Socket ERROR\n');
	console.log(e);
}
</script>

See Also: Creating a custom handler session in CakePHP 2.x

Are you looking to Install, setup and implement NodeJS in your PHP application? We are here to help you. We have experienced NodeJS developers to provide all types of JavaScript solutions. Let’s discuss

Like this blog? I’d love to hear about your thoughts on this. Thanks for sharing your comments.

How to install and configure Jaspersoft in Linux Server(RHEL/Centos/Fedora)

Posted on by Jay

Jaspersoft is a commercial open source software vendor focused on business intelligence, including data visualization, reporting, and analytics. It provides commercial as well as open source software, support services and licensing around the Jasper report, Jasper report server, Jaspersoft Studio, i-report and ETL products.

Jaspersoft is offered the communities open source edition as well as several commercial editions with broad support for various databases and data sources, including NoSQL and other big data sources. Jaspersoft’s main related product is JasperReports Server, a Java web application that provides advanced report server capabilities such as report scheduling, permissions, ad hoc reporting, dashboards, and multi-tenancy.

Unlike other traditional BI tools, it allows anyone to easily self-serve and get the answers they need inside their preferred app or on their favorite device. Our platform, unlike desktop visualization tools, scales architecturally and economically to reach everyone.

jaspersoft

Steps to Install ‘Jaspersoft Server’

STEP:1 Install JAVA 1.7 or above

STEP:2 Install Mysql server

# yum install mysql-server mysql php-mysql

STEP:3 Install tomcat 6 or tomcat 7
# yum install tomcat6 tomcat6-webapps tomcat6-admin-webapps

STEP:4 Download jaspersoft war file from “http://sourceforge.net/projects/jasperserver” by issuing the below command

# wget http://sourceforge.net/projects/jasperserver/files/JasperServer/JasperReports%20Server%20Community%20Edition%205.6.0/jasperreports-server-cp-5.6.0-bin.zip/download

STEP:5 Unzip zip file and move to “ opt “ directory

[sourcecode language=”plain”]# unzip jasperreports-server-cp-5.6.0-bin.zip
# mv jasperserver-ce-3.7.0-linux-installer.bin /opt/[/sourcecode]

STEP:6 Start Mysql service and Stop the tomcat service.

[sourcecode language=”plain”]# /etc/init.d/mysqld start
# /etc/init.d/tomcat6 stop[/sourcecode]

STEP:7
Go to this directory /opt/jasperreports-server-cp-5.6.0-bin/buildomatic
Then COPY “mysql_master.properties” file from this directory jasperreports-server-cp-5.6.0-bin/buildomatic/sample_conf/mysql_master.properties and Rename the “mysql_master.properties” to “default_master.properties”

STEP:8 Edit the default_master.properties file with vi editor

[sourcecode language=”plain”]# vi default_master.properties[/sourcecode]

Uncomment this below line

[sourcecode language=”plain”]# appServerType = tomcat6[/sourcecode]

Go to Tomcat app server root dir and modify“Catalina home and base “path as below
# If linux package managed tomcat instance, set two properties below

[sourcecode language=”plain”]CATALINA_HOME = /usr/share/tomcat6/
CATALINA_BASE = /var/lib/tomcat6/[/sourcecode]

# Change database location and connection settings setup as your own mysql passwd.

[sourcecode language=”plain”]dbHost=localhost
dbUsername=root
dbPassword=passwd[/sourcecode/]
# web app name
# (set one of these to deploy to a non-default war file name) uncomment as below any one
[sourcecode language="plain"]webAppNameCE = jasperserver
# webAppNamePro = jasperserver-pro[/sourcecode]

STEP:9 Download the mysql connector jar file from

[sourcecode language=”plain”]# wget https://total-pos.googlecode.com/files/mysql-connector-java-5.1.17-bin.jar[/sourcecode ]

<strong>STEP:10</strong> Put the mysql-connector-java-5.1.17-bin.jar file in tomcat directory
[sourcecode language="plain"]# /usr/share/tomcat6/lib/mysql-connector-java-5.1.17-bin.jar[/sourcecode]

STEP:11 Install this file under this directory

[sourcecode language=”plain”]# cd /opt/jasperreports-server-cp-5.6.0-bin/buildomatic
# ./js-install-ce.sh[/sourcecode]

STEP:12 Start the tomcat service

[sourcecode language=”plain”]# /etc/init.d/tomcat6 start[/sourcecode]

STEP:13 Browse in url

[sourcecode language=”plain”]# http://<ip-address>:8080/jasperserver[/sourcecode]

STEP:14 Login username and password
User login: jasperadmin
Passwd: jasperadmin

Conclusion:  Jaspersoft is available under an open source license for use in conjunction with open source infrastructure such as MySQL and JBoss, or a commercial license for enterprise deployments involving commercial databases and application servers. Jaspersoft’s main related product is JasperReports Server, a Java EE web application that provides advanced report server capabilities such as report scheduling and permissions.

Share your thoughts with comments

Enhance Speed of your web app with Backbone.js

Posted on by Srikant M.

Backbone.js is a popular open source JavaScript framework that allows us to develop single page web application. It offers a MVC framework for organizing Javascript application.

backbonerails-new1

 

 

 

 

 

 

 

 

What is Backbone.js?

  • Building single-page web apps or complicated user interfaces will get extremely difficult by simply using JQuery alone. Because JavaScript libraries are great at what they do, without realizing it you can build an entire application without any formal structure. Whereas Backbone.js is a lightweight framework that allows us to create single page applications in a structured manner. Backbone.js enforces that communication to the server should be done entirely through a RESTful API. The web is currently trending such that all data will be exposed through an API, because the browser is no longer the only client, now we have mobile devices, tablets and electronic fridges etc.
  • Website speed is the demand of the day. Running a website with full server dependencies, is not cost effective in terms of speed. If for each and everything we depend upon server and every request is served with a page refresh, then it will be annoying to any user. If you use MVC client architecture like Backbone.js, then most of the load on server is reduced and the website is depends on server only for getting json data and not for the logic of how to display it.
  • Better user experience is needed for every website that wants more and more users to visit it. And Backbone.js provides a very good user experience, as the demand of the users are served only in the client machine. User does not need a page refresh for any action.

Advantages of Backbone.js

  • Streamlined Event handling
    When a project grows, the jQuery declarations and callbacks gets more complex. The code becomes more cluttered. Backbone.js overcome this problem by providing an event-driven communication between views and models. The backbone.js events build on top of regular DOM events, which makes the mechanism very versatile and extensible.
  • Syncing with a back-end
    The models in Backbone.js can be easily tied to a back-end. The framework provides excellent support for RESTful APIs in that models can be mapped to RESTful endpoints.
  • Maintainability by following conventions
    Conventions are a great way to introduce a common coding style without the need of coming up with an extensive set of coding standards. Backbone.js is particularly helpful to maintain a clean code base despite having multiple developer involved in the coding.
  • Organized Code
    Backbone.js is a client-side MVC architecture. It is a design pattern where we separate the data from the way it is defined, manipulated and displayed. It allows you to structure your Javascript code in an MVC pattern.
  • Speed
    In the MVC platform, web application depends upon server for getting json data for the logic on how to display it. Here load on server is reduced and it helps in increasing the speed of the website.
  • Reduced data transfer
    Normally when client searches a record from the database, it sends a request to server.And then, to render output, database starts processing and send response.
    Server -> database processing-> rendering output-> Response
    But with Backbone.js request will be sent only for data and data will be returned from server in json format. Those data is manipulated at client-side.

 

In essence the backbone is the way to structure your application better. You can easily organize client side ‘JavaScript’ code into MVC pattern of Rails applications. Check out implementation of ‘Backone.js’ into Rails applications.

We have implemented numerous Rails applications with backbone.js. Two out of them are KurrentJobs and OrangeGigs.

Please share your experience of implementation of Backbone.js in Rails.

 

Mastering J2EE Design Patterns and Navigating Through the Tiers

Posted on by Jay

Design pattern is in general-a repeatable solution to a commonly occurring issue in software designs. These patterns can also be considered as a finished design which can be used directly into the code or a template for how to solve a particular issue.

Object oriented design patterns typically show relationships and interactions between objects or classes, without specifying the final application classes or objects that are involved.

Whereas, algorithms do not offer any details of design patterns, since they resolve computational problems rather than design issues.

On the other hand, pattern specifies a solid solution to a recurring design issues, placing particular process on the context and the surrounding problem as well as the consequences and impact of solution.

This provides a collection of patterns which you can use in the context of designing Java 2 Platform and Enterprise Edition (J2EE) applications.

Core J2EE Patterns provides more detail on J2EE patterns and is an excellent resource that can be integrated on the website. Developing and designing patterns leverages the developer community’s collective experience by sharing issues and solutions.

A design pattern must capture a problem’s overview and context, a possible option and the solution simultaneously.
In the J2EE application architecture, we can split up design patterns into two categories: general software development patterns and those patterns that overlook specific J2EE challenges.

J2EE- design pattern verifies lesser known issues which solid application architecture should resolve.

Reasons to implement Patterns:

  • Patterns reflect the knowledge, experience and insights of developers who have smoothly used these patterns in their own work.
  •  Patterns provide a rough solution as necessary that can be adapted to different problems.
  • Patterns provide a generic vocabulary of solutions that can express heavy solutions succinctly.

Understanding J2EE Design Patterns

J2EE Design Patterns are tried-and-tested solutions to recurring design problems encountered in enterprise application development.

These patterns provide a structured approach to solving specific challenges and promote code reusability, modularity, and maintainability. Some common J2EE design patterns include:

  • MVC (Model-View-Controller):
    Separates the application into three components—Model (data logic), View (user interface), and Controller (flow control)—enhancing maintainability and flexibility.
  • DAO (Data Access Object):
    Abstracts the interaction with databases, providing a centralized and consistent way to manage data access.
  • Singleton:
    Ensures that a class has only one instance and provides a global point of access to it, beneficial for managing shared resources.
  • Facade:
    Provides a unified interface to a set of interfaces in a subsystem, simplifying complex systems for clients.
  • Observer:
    Defines a dependency between objects, ensuring that when one object changes state, its dependents are notified and updated automatically.

Deciphering the Multi-Tier Architecture

Enterprise applications are often complex and require a structured architecture for effective development and management.

The multi-tier architecture, also known as n-tier architecture, divides an application into distinct layers or tiers, each responsible for a specific aspect of functionality. The common tiers include:

  • Presentation Tier:
    Also known as the client tier, this layer focuses on user interface interactions. It handles user requests, displays information, and captures user input.
  • Business Logic Tier:
    This tier contains the application’s business logic and rules. It processes user input, interacts with databases through the data access layer, and implements the core functionalities of the application.
  • Integration Tier:
    Also known as the middleware tier, this layer handles communication between the presentation tier and the business logic tier. It often involves components like Enterprise JavaBeans (EJB) for managing distributed transactions and messaging.
  • Resource Tier:
    This tier represents the data storage and management layer. It includes databases, file systems, and other resources that store and manage application data.

Benefits and Best Practices

Mastering J2EE design patterns and understanding the multi-tier architecture yields several benefits, including:

  • Scalability:
    The modular nature of tiers and the reusable solutions of design patterns make scaling applications more manageable.
  • Maintenance:
    The separation of concerns and code reuse simplify maintenance and updates.
  • Performance:
    Efficient data flow and reduced network overhead contribute to optimal application performance.
  • Team Collaboration:
    J2EE patterns and tier architecture facilitate teamwork by offering a common vocabulary and structured approach.

Common uses of Design Patterns:

  1.  Front Controller is a container to hold common processing logic that occurs within the ‘presentation’ tier and which may otherwise be inaccurately put in the ‘View’.
    A controller handles requests and manages content retrieval, view management, security, navigation, delegating to a Dispatcher component to dispatch to a View.
  2. Business Delegate reduces coupling between remote tiers and provides an entry point for accessing remote services in the ‘Model’.
    A Business Delegate might also cache details data as required to improve performance. A Business Delegate encapsulates a ‘Session Façade’ and manages to one-to-one relationship with that ‘Session Façade’. A Business Delegate invokes a ‘Session Façade’ for An Application Services.
  3.  Service Locator encapsulates the implementation mechanisms for looking up business service details. A Service Locator used by a ‘Business Delegate’ connects to a ‘Session Façade’. Other services like web services and business-tier services can use a Service Locator.
  4. Session Façade provides coarse-grained services to the clients by hiding the complexities of the business service interactions. A ‘Session Façade’ might call several Application Service implementations or Business Objects. A ‘Session Façade’ can also encapsulate a Value List Handler.
  5. Business Object implements your conceptual domain model using an object model. Business Objects differentiates business logic and data into a separate layer in the application. Business Objects programmatically represents persistent objects and can be transparently continued using Domain Store.
  6. Data Access Object enables loose coupling between the resources and business tiers. ‘Data Access Object’ covers all the data access logic into CRUD data from a persistent store. ‘Data Access Object’ does work on ‘Transfer Object’ to send and receive data.

Conclusion:

These design patterns captures potential problems when using the various J2EE-specified technologies and supports developers to construct application architecture’s requirements. For example-The locality Front Controller design pattern, transforms unstructured servlet codes into a controller of the refined graphical user interface.

 

Related Questions

What are J2EE Design Patterns and why are they important in enterprise application development?

J2EE Design Patterns are reusable solutions to common design problems encountered in enterprise application development.

They promote code reusability, modularity, and maintainability by offering structured approaches to solving challenges. J2EE Design Patterns ensure that developers follow best practices, resulting in more robust and scalable applications.

How do J2EE Design Patterns enhance the efficiency of different tiers in the multi-tier architecture?

J2EE Design Patterns seamlessly complement the multi-tier architecture. For example, patterns like MVC enhance user interface management in the presentation tier, while patterns like Business Delegate optimize communication between the presentation and business logic tiers. T

hese patterns ensure that each tier is well-structured, efficient, and interacts seamlessly with other tiers.

What is the significance of the multi-tier architecture in enterprise application development?

The multi-tier architecture divides an application into distinct layers, each with specific responsibilities. This structure enhances scalability, maintainability, and performance.

The presentation tier focuses on user interface, the business logic tier handles core functionalities, the integration tier manages communication, and the resource tier deals with data storage and management.

How do J2EE Design Patterns contribute to the scalability of enterprise applications?

J2EE Design Patterns promote modular and reusable code, which simplifies scaling. With patterns like Singleton and Data Access Object (DAO), developers can efficiently manage shared resources and data access, ensuring that as the application grows, it can be scaled without sacrificing performance or complexity.

Can you provide an example of how a J2EE Design Pattern enhances a specific tier in the multi-tier architecture?

Certainly. Consider the MVC pattern. In the presentation tier, the Model-View-Controller (MVC) pattern separates data (Model), user interface (View), and control flow (Controller). This separation enhances maintainability as changes in one component don’t affect the others.

The Controller manages user interactions, the Model handles data logic, and the View renders information. This clear separation simplifies development and updates in the presentation tier.