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  Vaadin Framework Vaadin is a web application framework that focuses on UX accessibility. It provides you with a platform for streamlined Java development. Vaadin also allows you to build web applications of customizable components. Vaadin 10 approaches web app development in an entirely new way. It gives you direct access to the DOM from the Java Virtual Machine. With the new release, the Vaadin team split the previously monolithic framework into two parts. It also has a lightweight Java framework called  Vaadin Flow  that handles routing and server-client communication.  Uses: This framework automates all the communication between the browser and the server It simplifies web application development. Advantages:- Vaadin gives an opportunity to bind data using either MVC or MVP Drag and drop support along with other outstanding features simplifies the creation of single-page UIs for Java applications Automatic server-client communication with WebSocket

  Grails  Programming & Frameworks Training Grails is a dynamic framework, coined by the Groovy JVM programming language. It is an object-oriented language for the Java platform which intends to enhance developer productivity. The syntax is compatible with Java, and it’s compiled to JVM (Java Virtual Machine) bytecode. Grails works with Java technologies, including Java EE containers, Spring, SiteMesh, Quartz, and Hibernate. Uses: It is very developer-friendly as it comes with detailed and easy-to-read documentation You can also build your own plugins and include the Grails IDE support for different platforms. Most of the e-commerce sites make use of Grails Advantages It utilizes  Groovy  as its coding standard and since Groovy is similar to Java, programmers think it is easier to begin with Grails. Easy to use the object mapping feature It promotes reuse of code between different Grails application by modularizing the applicatio

  JavaServer Faces [JSF] JavaServer Faces (JSF) is developed by Oracle for building user interfaces for Java-based web applications. It’s an official standard of the Java Community Process (JCP) initiative. It’s a pretty stable framework.  This is a  component-based  UI framework. JSF is based on the MVC software design pattern and has an architecture that totally defines a distinction between application logic and representation. Uses: Component-based UI frameworks Helps in building native applications Advantages JSF is an integral part of Java EE Provides excellent tools and rich libraries It allows existing backend Java code to be extended with a web interface without having to change the base application by introducing a new framework.

  Struts Framework This is another enterprise-level framework, maintained by the Apache Software Foundation (ASF). This fully-featured Java web application framework allows the developers to create an easy-to-maintain Java application. There are two versions. Struts 1 and Struts 2. Struts 2 is the combination of the webwork framework of OpenSymphony and Struts 1. But all the companies prefer using Struts 2 because it is the upgraded version of Apache Struts. Uses: The Struts 2 framework is used to develop an MVC-based web application It uses and extends the Java Servlet API to help developers to adopt MVC architecture Advantages: This framework documentation is written for active web developers and assumes a working knowledge of how Java web applications are built Reduces the development time and makes the manageability of the application easier It offers  Centralized Configuration  i.e., rather than coding information

  Hibernate Framework Hibernate ORM is a stable object-relational mapping framework for Java. It makes better communication possible between the Java programming language and relational database management systems (RDBMS). When you work with an object-oriented language like Java, you’ll encounter a problem called Object-Relational Impedance Mismatch also called Paradigm Mismatch. This is because OO languages and RDBMSs handle the data differently, which can lead to severe mismatch problems. So, this Hibernate provides you with a framework that overcomes the mismatch problems of Java. Uses It allows you to develop persistent classes following the object-oriented idiom It allows you to communicate with any database using very tiny alterations in the code, bridging the gap between objects and relational words It is an advanced ORM framework that lets you perform the database operation on Java entities Advantages Portability, productivity, maintainability Fre

     What are Java frameworks? Frameworks are large bodies of pre-written code to which you add your own code in order to solve a problem. You make use of a framework by calling its methods, inheritance, and supplying callbacks, listeners, or other implementations of the patterns. A framework will often dictate the structure of an application. Some frameworks even supply so much code that you have to do very little to write your application. This can be good or bad, depending on how easy it is to use. Frameworks are the substance of programming. You build on top of a good one, your program is solid and fast and comes together beautifully. You build on top of a bad one, your life is miserable, brutish, and short.

 Enterprise Application Model in Java The Enterprise Java BluePrints for the J2EE platform describe the J2EE application model and best practices for using the J2EE platform. Building on the J2SE platform, the J2EE application model provides a simplified approach to developing highly scalable and highly available internet or intranet based applications. Thanks to the J2EE application model, maybe the most interesting thing about J2EE applications is what they don't do. That is, various complexities inherent in enterprise applications -- transaction management, life-cycle management, resource pooling -- are built into the platform and provided automatically to the components it supports. Component and application developers are free to focus on specifics such as business logic and user interfaces. Another advantage of the J2EE platform is that the application model encapsulates the layers of functionality in specific types of components. Business logic is encapsulated in Enterprise