Java offers several powerful frameworks for web development, each catering to different needs and types of applications. Here are some of the most widely used Java frameworks for web development:

1. Spring Framework
Spring MVC: A robust and flexible framework for building web applications. It provides features for request handling, data binding, and validation. Spring MVC is part of the larger Spring ecosystem.
Spring Boot: Simplifies the setup and development of Spring applications by providing pre-configured defaults and built-in features like embedded servers (Tomcat, Jetty). It reduces boilerplate code and speeds up development.
Spring WebFlux: Supports reactive programming and allows you to build reactive web applications using Project Reactor. It's useful for applications requiring high concurrency and real-time processing.
2. JavaServer Faces (JSF)
A component-based framework that simplifies the development of user interfaces for Java web applications. JSF provides a set of reusable UI components and integrates well with other Java EE technologies.
3. Apache Struts
A framework based on the Model-View-Controller (MVC) design pattern. Struts helps in building maintainable web applications and provides a clean separation of concerns through its architecture.
4. Grails
A Groovy-based web application framework that leverages the Spring framework and Hibernate for data access. It emphasizes convention over configuration, making development faster and more productive.
5. Vaadin
A framework for building modern, single-page web applications (SPAs) with a focus on rich user interfaces.
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