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Top 30 Java Web Application Technologies You Should Master in 2024

Top 30 Java Web Application Technologies You Should Master in 2024

Updated on 04 July, 2024

52.9K+ views

• 9 min read

Rohan Vats

Table of Contents

Web Development in Java
Java Web Application
List of Java Web Application Technologies
What are Web Technologies?
What Next?

Web Development in Java

Java is a commonly used language for web development, especially on the server-side. Java web applications are distributed applications that run on the internet. Web development with Java allows us to create dynamic web pages where users can interact with the interface.

There are various ways through which you can create dynamic web pages in Java. The Java EE (Enterprise Edition) platform provides various Java technologies for web development to developers. Services like distributed computing, web services, etc. are provided by Java EE. Applications can be developed in Java without using any additional scripting language. Let us see how web applications are made via Java.

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Building a web application in Java can prove to be quite helpful, especially when it comes to working with applets and server-side applications. Regardless of which edition of Java is used for developing web applications, the projects will be highly dynamic and powerful. Simply put, Java for web development is incredibly popular and this is why Java software developers or Java backend developers are so much in demand.

Java Web Application

A web application helps clients to interact with the server and access information. Java is perfect for developing large web applications too because of its ability to communicate with a large number of systems. Services like peer-web services, database connectivity, and back-end services can also be accessed via Java web development.

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There are many platforms in Java for web development. Let us see some of the prominent Java web application technologies, which are used to create Java web applications.

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List of Java Web Application Technologies

Let’s dive deep into the web application technologies and frameworks related to Java.

1. Servlet API

The javax.servlet package comes with many interfaces like servlet, filter, filter chain, servletconfig, etc. Servlet increases the capability of servers that are used to host applications. The web applications developed via servlet in Java follow the request-response model. A servlet has a life cycle starting from being initialized to getting collected by the garbage collector.

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Servlets provide a platform-independent service to its users for web development. Besides building dynamic web pages, servlets also help in many other processes like collecting input via web page forms, presenting data from a database or any third-party source, etc.

The servlets are Java programs that run on a web application and transfer the request coming from clients to the databases/ servers. The servlets help in processing the client’s request and then providing results after communicating with the database.

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2. JSP

JavaServer Pages (JSP) technology is used by developers to create web content rapidly, which is platform and server independent. Instead of having separate CGI (Common Gateway Interface) files for embedding dynamic elements in HTML pages, one can use JSP technology, which has access to the entire family of Java APIs.

Web development can be done easily with the help of special JSP tags, which helps in inserting a Java code in HTML pages. A JSP page contains static data that can be written in HTML, WML, XML, etc. and JSP technology elements, which govern the dynamic movement of web content. You can add snippets of servlet code directly in a text-based document via the JSP technology. JSP is a prominent technology provided by Java EE, which helps developers to build complex dynamic web pages rapidly.

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3. JDBC API

Java Database Connectivity (JDBC) contains methods and queries for accessing the database. Clients can update any information in the database via web applications that contain JDBC drivers. The four types of JDBC drivers are JDBC-ODBC Bridge Driver, Native Driver, Network Protocol Driver, and Thin Driver, are used to connect to the database.

Clients can connect to the database via applications made via JDBC API and can update, delete, save, and access data. JDBC is capable of reading any database and automatically creates an XML format of the data from the database.

Both synchronous and asynchronous processing can be done via JDBC API. The processed results are shown in a very simple way to the clients via JDBC. It supports many SQL statements and queries that can be used to connect to the database.

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4. Java Persistence API

Java Persistence API (JPA) uses object-relational mapping to connect an object-oriented model to the database. Relational data in Java applications can be easily managed via Java Persistence. It helps in the storage or retrieval of a large amount of data in/ from the database persistently.

You don’t have to use lots of code, proprietary frameworks, etc. for interacting with the database, JPA will provide you with simple means of communication with the database using an object-relational approach. JPA is a collection of efficient classes and methods that can connect you to the database.

5. JavaServer Faces Technology

JavaServer Faces (JSF) Technology is a UI framework to create web-based interfaces. JSF provides a simple model for yielding components in various scripting/ markup languages. The UI widgets are connected with the data sources and server-side event handlers. Existing standard UI components can be reused and extended in the construction of interfaces via JSF. JSF helps in reducing the efforts in creating and maintaining web applications.

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6. Spring Boot

Spring Boot serves as an instrumental framework for crafting production-ready applications with unparalleled ease in the landscape of Java web development. Through its innovative convention-over-configuration approach, Spring Boot liberates developers from the burdens of complicated setup procedures. It is an essential toolkit to have, especially when it comes to Java web development services.

7. React.js with Spring Boot

React.js and Spring Boot work together seamlessly to create a complete story in the world of full-stack development. React.js is great at making interactive single-page applications, and it pairs perfectly with Spring Boot, which handles the backend effectively. Together, they form a powerful combination for building web applications. This partnership, harmonized through RESTful APIs and persistent data management, converges into a symphony of efficiency and scalability.

8. Thymeleaf

Revolutionizing the terrain of server-side templating within the context of modern web development, Thymeleaf seamlessly integrates into the embrace of Spring Boot. This dynamic templating engine is the artisan’s tool, empowering developers to craft HTML templates with data-driven strategies.

9. Spring Security

In the vast world of Java web development, Spring Security plays a crucial role as a strong protector, taking care of important things like user authentication, authorization, and overall security. An integral companion to Spring Boot, it unveils a comprehensive suite of solutions, embracing diverse authentication mechanisms like LDAP, OAuth, and JWT with an elegance that befits its stature.

10. Hibernate

Hibernate, a robust Object-Relational Mapping (ORM) framework, serves as the inspiration for coordinating database operations in Java web applications. Teaming up with Spring Boot, Hibernate creates an environment that simplifies the complex process of linking Java objects to database tables. The need for repetitive code fades away, making room for a flexible platform where efficiency and maintainability work together seamlessly.

11. Angular with Spring Boot

Setting out on the path of full-stack development, Angular and Spring Boot takes center stage as key players in a story of smooth integration. Angular excels in creating dynamic user interfaces, seamlessly blending with Spring Boot’s backbone role in orchestrating the backend through RESTful APIs. The outcome is a seamless fusion of front-end mastery and back-end resilience.

12. Apache Maven

As the developer’s assistant in Java web development, Apache Maven emerges as a versatile conductor, orchestrating build automation and project management. Integrated seamlessly with Spring Boot, Maven introduces a harmony of compilation, testing, and packaging. This is one of the most important web technologies in Java.

13. Apache Tomcat

Powering the grand stage of Java web applications, Apache Tomcat steps into the limelight as the open-source servlet container. When entwined with Spring Boot, it transforms into a reliable and scalable orchestrator, providing the platform for deploying Java web applications with an efficiency that resonates across the digital landscape. This is another important tool for Java backend developers.

14. JUnit and TestNG

In the realm of scrutiny and quality assurance, JUnit and TestNG become the meticulous examiners of Java web applications. Integrated with Spring Boot, these frameworks metamorphose into guardians of reliability, guiding developers through the creation and execution of unit tests that illuminate the correctness and resilience of their code. JUnit and TestNG are two very important tools for Java web development.

15. Jackson

In the delicate art of handling JSON data within Java web applications, Jackson stands as a top performer. Seamlessly integrated with Spring Boot, Jackson simplifies the intricate process of serialization and deserialization, offering a high-performance library that navigates the realms of data binding, streaming, and tree models with extreme precision.

16. Vaadin Flow

Vaadin Flow is a modern framework that simplifies the creation of rich and interactive user interfaces, providing a harmonious bridge between Java and the dynamic world of web development. With its Java-based programming model, Vaadin Flow becomes the perfect tool for guiding developers towards the creation of enterprise-grade applications with ease.

17. MyBatis

MyBatis takes on the role of a harmonious framework when it comes to web applications in Java, turning database interactions into an expression of flexibility. Java applications smoothly incorporate MyBatis, which weaves a SQL-centric story to connect Java objects with database queries. The outcome is a seamless integration of application logic and data storage.

18. Apache Kafka

Integrated seamlessly into Java applications, Kafka efficiently manages distributed processes, handling events with precision and structuring fault-tolerant architectures. With the unfolding of the scenario, Kafka crafts a narrative where data streams flow effortlessly, creating a robust and scalable framework. Apache Kafka enhances the use of Java for web development with the functionalities it provides.

19. JavaServer Faces (JSF)

Within the realm of Java web development, JavaServer Faces (JSF) stands out as a significant chapter. With its component-based architecture, JSF simplifies the creation of dynamic user interfaces, showcasing a modular approach that emphasizes reusability and efficiency. In this methodology, each component contributes seamlessly to the overall structure of a web application in Java.

20. Elasticsearch

Embarking on an expedition through the vast landscape of search capabilities, Elasticsearch emerges as a cartographer of information. Seamlessly integrated into Java applications, it enriches the search functionality, becoming a compass that guides users through realms of advanced search features. In this narrative, Elasticsearch becomes the scribe of efficient and powerful search experiences.

21. Spring Data JPA

In the context of data access within Java applications, Spring Data JPA takes on a pivotal role. As a part of the Spring Data project, it simplifies interactions with databases through the Java Persistence API (JPA), becoming an integral element. Seamlessly incorporated into Spring Boot, Spring Data JPA transforms the often intricate process of database communication into an effortless and productive melody.

22. Apache Camel

As an open-source framework, Apache Camel adeptly orchestrates the convergence of diverse systems, functioning as a storyteller. Leveraging the Java DSL language, it crafts integration routes akin to unfolding chapters, offering a robust tool for constructing applications imbued with scalability and resilience.

23. PrimeFaces

PrimeFaces stands out as a versatile component library for UI development. It paints a vivid landscape by offering a rich array of components and themes. Integrated seamlessly, PrimeFaces enables developers to compose visually appealing and responsive web interfaces with ease.

24. Quarkus

Quarkus is quite popular when it comes to cloud-native architectures and it helps in fine-tuning Java applications for containers. Functioning as a Kubernetes-native framework, Quarkus skillfully manages swift startup times and an efficient memory footprint. In the modernization narrative, Quarkus takes on the role of an agile dancer, adeptly navigating the complexities of microservices.

25. Apache Shiro

Assuming the role of a vigilant guardian in the realm of security, Apache Shiro equips itself as the defender, shielding Java applications from unauthorized access. Seamlessly integrated, it acts as a sentinel, addressing the diverse challenges of authentication, authorization, and session management. In the extensive saga of Java web projects, Apache Shiro emerges as the reliable protector, ensuring the integrity and security of the digital realm.

26. JOOQ (Java Object Oriented Querying)

JOOQ guides developers in querying databases using a fluent API. With its expressive Java-based DSL, JOOQ transforms the syntax of SQL queries into a refined language, allowing developers to manage database interactions with grace and type safety. JOOQ is a master of querying and data retrieval.

27. Vaadin Fusion

Being the evolution of Vaadin Flow, Vaadin Fusion ushers in a new era of frontend development for Java applications. Leveraging TypeScript on the client side, Vaadin Fusion facilitates seamless communication between Java and the browser. Vaadin Fusion helps in creating dynamic and modern web user interfaces with this fusion of Java and TypeScript.

28. Micronaut

Micronaut is specifically crafted to enhance the performance and efficiency of Java applications. Leveraging its compile-time dependency injection and minimal runtime overhead, Micronaut executes precise maneuvers within the containerized environments of contemporary microservices architectures. Integrated seamlessly, Micronaut pioneers the way forward, steering web applications in Java toward a future marked by agility and scalability.

29. JHipster

The JHipster platform effortlessly generates Spring Boot + Angular/React/Vue applications and microservices, acting as a conjurer to expedite the creation of up-to-date Java web applications. JHipster allows developers to effortlessly create sophisticated and feature-rich web applications

30. Hazelcast

Functioning as an in-memory data grid platform, Hazelcast plays the role of an architect in building highly scalable and fault-tolerant systems. Seamlessly integrated, Hazelcast becomes the guardian of data integrity, orchestrating a symphony of distributed computing capabilities that transcend the conventional boundaries of data storage.

What are Web Technologies?

Web technologies contains a wide range of languages, tools, and frameworks used to create and manage websites and web applications. Core languages include HTML (HyperText Markup Language) for structuring content, CSS (Cascading Style Sheets) for styling, and JavaScript for adding interactivity.

On the backend, server-side languages such as PHP, Python, Ruby, Java, and Node.js are commonly used. Database technologies like MySQL, PostgreSQL, MongoDB, and SQLite store and manage data. Web frameworks and libraries such as React, Angular, Vue.js, and jQuery enhance development efficiency and capabilities.

Tools like Git for version control, Docker for containerization, and Webpack for module bundling are essential for modern web development. Additionally, content management systems (CMS) like WordPress, Drupal, and Joomla facilitate easy content creation and management. Together, these technologies enable developers to build dynamic, responsive, and user-friendly web experiences.

What Next?

We know by now that Java in web development is incredibly popular, especially for developing dynamic web applications. If you wish to improve your Java skills, you need to get your hands on java projects. If you’re interested to learn more about Java, full stack development, check out upGrad & IIIT-B’s Executive PG Programme in Software Development- Specialisation in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects, and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms.

Frequently Asked Questions (FAQs)

1. What are the two types of Java?

Java Stand-Alone Applications and Java Applets are the two types of Java programs. The Java Stand-Alone Application is a Java program that can operate independently on a computer. It is further distributed into two categories: Console-based and Graphical User Interface-based applications. The Acrobat Reader is the perfect example of this. The Java Applets are the applications which operate within the web browser. They are majorly used for Internet programming to perform various tasks such as playing sounds, displaying graphics, accepting user input, and more.

2. How is Java used in advanced technologies?

Java is divided into two parts: Core Java and Advanced Java. The latter is designed to create web-based, network or enterprise applications. These include concepts such as Server, JDBC, RMI, JSP, Socket Programming and more. The applications which are developed by advanced Java utilize two-tier architecture. By using advanced Java, you simplify the complexity of creating an application. The server and containers also provide framework services. You can also work with Apache Tomcat and Glassfish using this.

3. What are Microservices in Java?

The set of software applications that are written in the Java programming language that works with each other to construct a bigger solution is called Java microservices. Every microservice can do very minimally to create a pretty modularized architecture. The microservice behaves like a station in an assembly line as each station is responsible for a single specific task. This creates a quality workflow, consistency, efficiency and outputs. This leads us to believe that each microservice is one small piece of a bigger overall system. The tasks are simple such as counting the number of words in the text or calculating the standard deviation of the input data set.

4. What are Java application technologies example?

Examples of Java web application technologies include Servlets and JSP (JavaServer Pages), Spring Framework (including Spring MVC and Spring Boot), Hibernate, JavaServer Faces (JSF), Struts, Google Web Toolkit (GWT), JAX-RS for RESTful web services, Vaadin, Play Framework, Thymeleaf, and Apache Wicket.

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Is Python an Object Oriented Language?

There’s always been a debate among programmers as to whether or not Python is an Object-oriented Programming language. Today, we seek to find a reasonable answer to put an end to this debate by understanding in depth why Python is object oriented language. However, before we pass a final verdict on the kind of programming language that Python is, you must first understand what an OOP language is. Check out our free courses to get an edge over the competition. What is object-oriented programming (OOP)? Object-oriented programming (OOP) refers to the programming language in which the coders/developers explicitly define the data types, data structures, and also the types of functions that can be applied to the data structures. Thus, the data structures become “objects” incorporating both data and functions. In the OOP language, programs are organized and constructed around objects and not around logic and functions. 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Any individual string or number, more specifically, is an object. You may not even be aware of the fact that you have been utilising items. Encapsulation Encapsulation refers to the process of juxtaposing different elements to build a unique entity. In this process, the implementation and state of each object are privately retained inside a defined class, so that other objects cannot make changes to the class – they can only declare a list of public functions. 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OOP comes with several advantages – Re-using the code – It entails reusing certain facilities rather than continually developing them. Using a class is how this is accomplished. It can be used ‘n’ a number of times, depending on our needs. For example, in your coding, the car is your object. One of your colleagues requires a limousine car, while the other one needs a race car. While every person has a unique way of building their objects, this one is quite simple. The main object is ‘car’ while the requirements are just different types of cars. Using the inheritance technique in this example will make more sense. You can create one class, the car, and then create certain subclasses in which you can write different types of cars. What if you wish to alter every Car item, no matter what kind? This is the benefit of the OOP strategy. All car objects will automatically inherit any changes you make to your Car class. 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Is AngularJS Right Choice For Your Next Mobile App Development?

Mobiles are something that we use every day and are an integral part of our lives. Nowadays each and every person has a mobile phone in their pocket. With the advancements of technologies, one can get a mobile phone no matter how big or small their budget is. In this age of mobile phones, we consider a phone that has no apps in it as useless. We have too many apps these days on our phones. From fine dining to fitness, from shopping to scrabble, we have an app for all our moods. Mobile apps are designed in such a way that they go with our phones configuration well. Android and MAC are the two major interfaces that we have in our mobiles these days. The apps that are being developed are usually compatible with these two major operating systems. Every day more and more apps are being introduced, updated and launched in our play stores or App stores in case of MAC users. These apps are really useful. We no longer need to search the internet for things that we need, it is just a tap away. Check out our free courses to get an edge over the competition Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript What is AngularJs? When Android was yet to be launched in the market, Java was the most commonly used interface in mobiles. Even now when android has taken the center stage, java is not yet abolished. It is still considered one of the most potent and user- interactive interfaces out there. AngularJS is an app that was first launched by Google in the year 2009. This app uses the same JavaScript framework. AngularJS has come a long way and it has made some very impressive adjustments in its user interface. How to Become a Full Stack Developer Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses AngularJS is basically an app that makes developing apps very easy, it helps in making super-dynamic web pages that are easy to use and easy to work with as well. We need web pages for literally everything. Every business, every start-up, every new idea that is been introduced needs a web page o promote it. Bust web pages are not too easy to work with, there are quite a few factors that need to be kept in mind before making a web page. Java is the most secure and the most optimum user interface when it comes to making web pages. Unlike Android and MAC, it has HTML support that makes the process of a web page making much easier. Check out upGrad’s Java Bootcamp Learn Software Courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career. In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses Uses of AngularJS AngularJS helps in extending HTML Templates, it also ennobles the users to use an advanced approach towards web page making and web page designing. Java is known for its better stability and security. AngularJS sticks to its own simple functionalities and thus is very easy to use. The modular approach makes coding easy. Also updating, testing and modifying codes for a web page is made easier with AngularJS. One can easily add AngularJS to a web page with the help of simple coding. What Does A Software Developer Do? upGrad’s Exclusive Software Development Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 Domains in which you can implement AngularJS To make sure that your web page is gaining popularity, some niches and search engine optimisation tools are to be incorporated in your web page. To make the idea known to all and gain popularity nothing can be better than a well-done web page. When you are using mobile for creating a web page AngularJS is your answer to all your questions. It will even help you develop a web app. Tips for best practices Angularjs Mobile Development app can help you with the following. Video streaming apps: Video streaming apps are really in demand right now. Apps like Netflix, Amazon Prime Videos, and YouTube etc are some of the most prominent examples. User review: Market research is a very important part of developing a web page. First, you need to see what your customers really want when you know what your customers want and need them providing them with the best solutions is better and more money efficient. Travel apps: Travel apps are not very uncommon nowadays. While Android and MAC will make decent apps, the performance of a JavaScript is really difficult to top. AngularJS mobile development can help develop such sophisticated apps. Weather apps: Something that is present by default in a smartphone is a weather app. It is widely used and a JavaScript will be able to develop and manage really impressive weather apps. Social apps: In this age of social media, we can hardly come across a person who does not have a social media account. Apps like Facebook, twitter, etc. all are developed with JavaScript and thus you can too do that with AngularJS. Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? Check out upGrad’s Full Stack Development Bootcamp (JS/MERN) Everything you need ot know about Mobile App Development When it comes to developing and managing an app there are many ways one can do that. But if you are using your phones to develop a web page then AngularJS should be your best bet. If you’re interested to learn more about full stack software development, check out upGrad & IIIT-B’s Executive PG Programme in Software Development – Specialization in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms.

by Kavya Gajjar

29 Nov'18

5.34K+

Angular 7.0 – What is New in its new Avatar?

The strength of a building is in its concrete pillars. So is the framework for a web application. A software framework provides a standard way to design, build and deploy applications. In a world of Java platforms, the Javascript framework was the most uttered buzzword until Angular gained importance. Now, let us see some Salient features of Angular. Angular is an Open source Javascript framework which morphed into what is called ‘Typescript’ now. Code generation and development are rapid compared to a (Javascript) JS code. The Command line prompt (CLI) has commands to build application faster. The Code is well organized as it uses components hence improves productivity A directive is a dynamic function that handles variables, if statements, and loops in HTML Angular is cross-platform hence it is independent of the browser and the operating system Angular CLI comes with testing tools that are helpful for unit testing Check out our free courses to get an edge over the competition Learn Software engineering courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career. AngularJS – A precursor to Angular AngularJS was the first product in the Angular series introduced by Google in 2009. It is a client-side or a front-end framework. What this means is that the code runs on the user’s browser and not on the web server. AngularJS was written purely in Javascript. This was developed to decouple the application logic, however, it was the only fairly successful and paved way for Angular with its current avatar 7.0. Is AngularJS Right Choice For Your Next Mobile App Development? Check out upGrad’s Java Bootcamp Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript Angular 7.0 Framework Let us understand briefly the building blocks of Angular: Module: Basically breaks down application’s core screens logically. For example, if there is a shopping cart page, one might want to have a shopping cart module. Component: This is a section of the UI and is a ‘class’ as in object-oriented programming. This is the fundamental building block of the User Interface (UI). The component class contains the core logic for the page. ” upGrad’s Exclusive Software Development Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 ” Components are made up of: Template: A template is written in HTML or they can be HTML files. It can have dynamic properties like variables and use of ‘if conditions’ is possible with directives. Class: Is the code for the application. The code is written in Typescript. Typescript is a superset of Javascript. Typescript is a ‘static’ type language where variables are declared with types defined. Hence errors are caught on the compilation of the program rather than being caught at runtime. Angular classes can be written in Javascript too. Components have data properties and methods. Metadata: To identify that the class is an Angular component one uses Metadata. Metadata can be attached to Typescript using a decorator declaration. Let us walk through a simple component in Angular. Import {component} from ‘’@angular/core’’ ; Here the component package is imported from Angular core library. @component ({ (this is a decorator declaration) Selector : ‘myapplication’ …(.this is the custom HTML tag that we use to insert the component. ) Template: ‘<h1> Hello {(name)}</h1> (name is a variable) }) export class AppComponent{ (This is the component class and ‘name’ is a property in the class) name = ‘ Angular framework’; } <body> <myapplication>Loading a sample app component here..</myapplication> </body> Data binding: A process that allows communication between the component and the view. So data is passed from the component to the view and vice-versa. There are four types of data binding. In Interpolation and property binding the data is sent from the component to the view and in event binding, the data is sent to the component from the view or the template. In two-way binding, the data travels both ways. Service: This is a class that is written for reusable code, i.e. code that can be accessed from multiple components. These classes send data and functionality across components. Service classes can also get data from a database or a js/JSON file. When one uses a Service class, the code looks organized and fragmented. Directive: Customizing HTML attributes to extend the power of HTML is a directive. ngIf, ngFor, ngModel are directives. ngModel is responsible for, binding the view into the model, which other directives such as input, textarea or Select require. Here is a piece of code that shows how ngmodel works. <div ng-app=”” ng-init=”firstName=’John'”> <p>Input a name in the input box:</p> <p>Name: <input type=”text” ng-model=”firstName”></p> <p>You wrote: {{ firstName }}</p> </div> Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses So, firstName was initialized to ‘John’ and when one enters a new value in the text box, firstName will hold the new name entered.Check out upGrad’s Full Stack Development Bootcamp (JS/MERN) Dependency injection (DI): Classes need objects to perform a particular function. Instead of creating the objects each time in the class, the class receives the objects(dependencies) from external sources. In the DI framework following are the steps that need to be followed: Create a Service Class eg. Employeedata Register this service class with the Injector. An Injector is a container that holds all the dependency classes Declare the Employeedata class as a dependency in the class that needs it eg. EmployeeList Class What Does A Software Developer Do? Versions of Angular After AngularJS, Angular 2 was released which was a complete rewrite of AngularJS. Components got added from Angular 2. Angular 2 was not backwards compatible. Angular is made up of a bunch of packages and the Router package in Angular 3 was not in sync. Hence the Angular team moved on to Angular 4 which was released with all corrections and features with backward compatibility to Angular 2. Subsequently Angular 5, Angular 6 was released and the latest version now is Angular 7. What’s new in Angular 7.0? CLI Prompts: A change in the Angular command line prompt is that the CLI prompts the user, to select the features while running the common commands. Features like Angular routing or the format of the style-sheet and many more can be selected by the user. In the previous versions of Angular one had to remember and type the options on the prompt. Application Performance : Common errors: In this version, the angular team analyzed and removed some common mistakes made by the developers like the ‘reflect-metadata’ polyfill was included in production which is actually needed only in development. Bundle-Budgets: To improve the performance of the application, default Bundle Budgets are defined in angular.JSON. The developers will now be warned if the application bundle size exceeds a limit of 5MB and when the initial bundle exceeds 2MB. These values can be modified in the JSON file as needed. Angular Material & the CDK: The Angular component development kit(CDK) was created from the Angular Material(UI for libraries).The two new features added in the CDK are Virtual Scrolling: To load only the visible part on the screen, the <cdk-virtual-scroll-viewport> package provides helpers for directives that react to scroll events. So, it will render only the items that can fit on the screen. When a user scrolls through the list then the DOM will load and unload the elements dynamically based on the display size. Drag and Drop support: The @angular/cdk/drag-drop module helps free drag and drop feature of an element, reordering items in a list, moving items in a list and so on. This is done with the help of cdkDropList and cdkDrag directives. Angular 7.0 has updated its dependencies to support Typescript 3.1, RxJS 6.3 and Node 10. Improved accessibility of Selects: The native ’select’ has some performance, accessibility, and usability advantages hence using a native select element inside a ‘mat-form-field’ is a new feature in Angular 7.0. Angular elements: A small change but new in Angular 7 “Angular Elements now supports content projection using web standards for custom elements.” — This is what Stephen Fluin, Angular says. Working with partners: The Angular team has been working to partner with community projects that have been launched recently one of them is Angular Console. Angular Console is a user interface for Angular CLI. It is good for beginners and experts as it is a lot easier than prompts. There are different UI versions for Windows and Mac OS. In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses A Beginner’s Guide to MVC Architecture in Java Most of the changes in Angular 7.0 are on performance improvements and bug fixing. Hence, it is the safest version to date and migrating from earlier versions is simple. Ivy is the new upcoming rendering engine that the Angular team is working on. Till then, let us wait and watch. Keep Learning! Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? If you’re interested to learn more about full stack software development, check out upGrad & IIIT-B’s Executive PG Programme in Software Development – Specialization in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms.

by Saurabh Hooda

28 Dec'18

35.45K+

IntelliJ IDEA vs. Eclipse: The Holy War!

Batman vs. Superman, Marvel vs. DC, Windows vs. Linux, Java vs. C#, are a few examples of some eternal wars. One such battle is IntelliJ IDEA vs. Eclipse – the selection of the best Integrated Development Environment – affectionately known as the IDE. There are many IDEs in the market today for Java development – the likes of Netbeans, DrJava, and of course Eclipse and IntelliJ IDEA are just to name a few. These IDEs ease the workflow of a developer by providing them with a complete and integrated environment. The support of various plugins coupled with the ability to handle large projects seamlessly makes the IDEs an irreplaceable tool in any developer’s toolkit. Learn Software development courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career. Today we’ll be looking at two such IDEs in depth, and taking them head to head. We’ll look at how Eclipse and IntelliJ IDEA compete against each other in terms of the features they offer. Check out our free courses to get an edge over the competition. Eclipse IDE Eclipse is by far the most commonly used IDE by budding as well as experienced developers. It is supported by a large community of developers, great documentation to get you up and running, and the best part – the support of thousands of plugins to make your experience even better. Eclipse is mainly used for developing web, mobile, desktop, enterprise, or embedded system applications. It can be used open-source under Eclipse public license. Eclipse is written mostly in Java and runs seamlessly on the three major operating systems – Windows, Linux, and Mac OS. Although well known for Java programming, it also supports various other languages including Groovy, Scala, and Python. Check out upGrad’s Advanced Certification in Cloud Computing Eclipse is capable of opening multiple projects in the same window thereby giving you control over dependencies and relations. However, regarding user experience and the ease of code completion and inspection, Eclipse falls short despite having many plugins, especially checkstyle. If you’re a rookie programmer, you’d appreciate an auto-complete feature that can show the list of the most relevant symbols applicable in your context. Eclipse falls short on that. Just for argument’s sake, we can use this point in favour of Eclipse saying it offers a better learning curve, but at the end of the day, it’s really about how easy it is to get your application up and running. Having said that, Eclipse is and will continue to be, widely used all over the globe. Let’s take a look at some of its features that keep it going despite the limitations. A Beginner’s Guide to MVC Architecture in Java Check out upGrad’s Advanced Certification in Blockchain Salient Features of Eclipse Mylyn: Mylyn is a subsystem of eclipse for task management. The advantages of Mylyn are quite well known, but you won’t appreciate them till you use it and see them for yourself. Mylyn helps developers track their tasks in a task list view – without having to open a browser. Mylyn provides an easy way of keeping track of all the files related to your current work. Software Updates: Eclipse provides frequent and regular software updates. The ability to simply update your IDE from the console itself without worrying about dependencies, or unzipping a zipped file makes a developer’s life easier. Everything is managed through this simple dialogue: Enterprise Java Tooling: Eclipse has the best tooling to offer for JEE projects. It offers an outstanding amount of functionalities – from wizards for Web Service creation, XML editing, to excellent JSF and JPA tooling. In essence, it’s a very simple feature but is very useful. The ability to control and deploy the server of your choice is commendable. Also, if your server isn’t on the list, you’ll likely find a plug-in to support your server. Model Driven Development: The Eclipse Modelling Project offers a set of modelling tools for those using EMF or related techniques for modelling. The Ecore Tools that are used to work with the EMF models allow you to create and modify your ecore using a standard tree, or through the visual Ecore diagram editor (see below). 15 Must-Know Spring MVC Interview Questions IntelliJ IDEA IDE IntelliJ IDEA is a fully featured IDE developed by JetBrains. JetBrains is an established company and famous for the Resharper plugin for Visual Studio that is beneficial for C# development. The IntelliJ IDEA comes in two editions – Free community edition and an Ultimate edition. The free community edition of IntelliJ IDEA offers the basic features useful for developing Android and Java applications. Google’s official Android development platform – Android Studio, is also based on IntelliJ IDEA’s free community edition. This IDE supports many languages from Java, Kotlin, Scala, Android, Mercurial, Groovy, Gradle, Git, SVN, SBT, and CVS and also offers basics (yet essential) features like code completion, deep static analysis, intelligent refactorings, debugger, test runner, etc. The Ultimate Edition, on the other hand, has the most advanced set of features for developing web and desktop applications. Some of the additional features of the Ultimate Edition Supports the integration of Spring framework. Supports web app scripting languages like JavaScript, CoffeeScript, TypeScript, and many more. Supports web development framework like Node.js, Angular, and React Java EE support such as JSF, JAX-RS, JPA, CDI, etc Eclipse falls short in providing good assistance for code completion despite supporting many plugins. The default code compilation in IntelliJ is much faster and better, especially if you’re a newbie programmer – IntelliJ can help you improve your code. One of them is Smart Completion which provides you with the list of the most relevant symbols applicable in your current context. This as well as other completions constantly learn from your coding practices and moves your most frequently used packages and classes to the top of the list, so that you can select the right option faster. Another such feature is Chain completion which is even smarter than the Smart Completion. It lists all the applicable symbols by making use of getters or methods which makes it even faster. There are many other out-of-the-box features too which make IntelliJ IDEA a truly intelligent IDE What is Test-driven Development: A Newbie’s Guide Features which make IntelliJ IDEA a truly intelligent Version Control: IntelliJ IDEA offers the developers with a unified interface for most of the version control systems. Git, SVN, Mercurial, CVS, and Perforce are just to name a few. This single interface lets you browse the history of changes, manage branches, and merge conflicts. Build Tools: This IDE supports all the major build tools like Gradle, Maven, Gant, SBT, NPM, Grunt, Gulp, and more. These tools eventually help automate compiling, packaging, running tests, deploying, and other activities. Application Servers: It supports major application servers like TomCat, JBoss, WebSphere, Glassfish, and many more. It allows you to deploy your code onto the application servers and debug the deployed code from the IDE itself. Indexing: IntelliJ indexes the entire project when you first start it up. That way, it doesn’t need to search for files every time you need a resource (unlike Eclipse). This significantly speeds up the search process. Polyglot Support: As we’ve said earlier, IntelliJ IDEA supports many JVM and non-JVM frameworks and languages out of the box. Frameworks and languages like AngularJS, React, JavaScript, TypeScript, Scala, SQL are just a few examples of the wide array of languages supported by IntelliJ IDEA. All these features make IntelliJ IDEA a clear winner when it comes to usability and user experience. However, it falls short on the number of plugins offered. Compared to 1,276 plugins offered by Eclipse, IntelliJ only offers ~700 plugins. But, this shouldn’t be a dealbreaker as IntelliJ offers a lot of new and improved features out of the box, without needing any plugin – unlike Eclipse. How to Become a Full Stack Developer upGrad’s Exclusive Software Development Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 In Conclusion… If you’re a beginner in the field of Java development, your choice should be IntelliJ IDEA – thanks to the various beginner-friendly features it has to offer. However, if you’re looking to work on large and complex projects, and have a fair bit of expertise in Java programming, you can opt for Eclipse instead. Like with every other debate, at the end of the day it’s all a matter of preferences, but there’s no way you can ignore IntelliJ IDEA. If you’re interested to learn more about full stack software development, check out upGrad & IIIT-B’s Executive PG Programme in Software Development – Specialization in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms.

by Arjun Mathur

10 Jun'19

17.76K+

Python Projects for Beginners – List of 7

Learning a new language – whether it is for speaking to humans or to computers – is always a mixture of fun and challenge. Mastery is not an easy road to travel and that is why little wins along the way are so necessary for boosting self-confidence and making you preserve. The same can be achieved through projects that have a specific aim and allow you to put your new-found knowledge into practice. When learning a coding language like Python, these projects become all the more crucial as they help you firm your grip on a vast language that you will keep refining your entire life. So, where do you begin? As a beginner, which projects do you pick up that is not overwhelming but are challenging and rewarding at the same time? Check out our free courses to get an edge over the competition. Learn Software Development online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs or Masters Programs to fast-track your career. Check out our free technology courses to get an edge over the competition. The answer? Whatever you pick from the list below. What’s the number? Concepts needed: print, while loop, if/else statements, random function, input/ output This is a guessing game that the user plays with the program/computer. The program generates a random number using the random function. The user tries to guess it by inputting a value. The program then indicates whether the guess is right or not. If it is wrong, then the program should tell how off the guess was. If it is right, there should be another positive indicator. You can place a limit on the number of guesses allowed. You will also need functions to compare the inputted number with the guessed number, to compute the difference between the two, and to check whether an actual number was inputted or not. Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript Spin a yarn Concepts needed: strings, concatenation, variables, print. Things get more interesting here since strings are infinitely more complex to play with at the beginning. The program first prompts the user to enter a series of inputs. These can be an adjective, a preposition, a proper noun, etc. Once all the inputs are in place, they are placed in a premade story template using concatenation. In the end, the full story is printed out to read some misintended madness! Check out upGrad’s Java Bootcamp What’s the word? Concepts needed: strings, variables, random function, variables, input/ output Similar to ‘What’s the Number?’, this name focuses on the user having to guess the randomly generated word. You can create a list from which the word would have to be guessed and also set a cap on the number of guesses allowed. After this, you can create the rules yourself! When the user inputs the word, you can indicate whether the alphabet written appears in this particular position or not. You will need a function to check if the user is inputting alphabets or numbers and to display error messages appropriately. Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses Check out upGrad’s Full Stack Development Bootcamp (JS/MERN) Rock, paper, scissors Concepts needed: random function, print, input/ output, variables If you are tired of having no playmate, then a 5-minute stint of rock, paper, scissors with the computer and designed by you, yourself will improve your mood. We again use the random function here. You make a move first and then the program makes one. To indicate the move, you can either use a single alphabet or input an entire string. A function will have to be set up to check the validity of the move. Using another function, the winner of that round is decided. You can then either give an option of playing again or decide a pre-determined number of moves in advance. A scorekeeping function will also have to be created which will return the winner at the end. Compute, calculate Concepts needed: functions, input/ output, variables, This project involves building a simple calculator that can perform mathematical functions (which you decide). You can start with the basic BODMAS, and then progress to logarithms and exponents. You’ll have to keep tabs on what the user is entering and get the answer to print at the end. Whether the values in the middle of the calculation keep showing up is up to you. upGrad’s Exclusive Software Development Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 Leap it! Concepts needed: functions, input/ output, boolean, print In this program, you input a year and check whether it is a leap year or not. For this, you’ll have to create a function that recognizes the pattern of leap years and can try fitting the inputted year into the pattern. In the end, you can print the result using a boolean expression. Find out, Fibonacci! Concepts needed: functions, input/output, boolean, print You input a number and the function created checks whether the number belongs to the Fibonacci sequence or not. The underlying workings are similar to the above ‘Leap it!’ program. One common theme in all the above projects is that they will help you to get your basics right. You will be the developer and the bug fixer. Not to mention, you’ll be closing working with creating and implementing a variety of functions along with working with variables, strings, integers, operators, etc. Just like 2 + 2 is the building block of your mathematics knowledge, so are these concepts, and learning about them in a fun way through building projects will help to understand and retain them more. If you are interested to become a software engineer, check out M.Sc. in Computer Science by upGrad, IIIT Bangalore, and Liverpool John Moores University which is designed for working professionals and provide 30+ projects & assignments, IIIT-B & LJMU Alumni status, 6 unique specializations, more than 500 hours of rigorous training & job placement assistance with top firms. Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses

by Ashish Korukonda

29 Aug'19