Best Java Frameworks

Spring Boot is a tool that makes developing web applications and microservices with the Java Spring Framework faster and easier, with minimal configuration and setup. By using Spring Boot, you avoid all the manual writing of boilerplate code, annotations, and complex XML configurations. Spring Boot integrates easily with other Spring products and can connect with multiple databases.

Spark provides programmers with an application programming interface centered on a data structure called the resilient distributed dataset (RDD), a read-only multiset of data items distributed over a cluster of machines, that is maintained in a fault-tolerant way. It was developed in response to limitations in the MapReduce cluster computing paradigm, which forces a particular linear dataflowstructure on distributed programs: MapReduce programs read input data from disk, map a function across the data, reduce the results of the map, and store reduction results on disk. Spark's RDDs function as a working set for distributed programs that offers a (deliberately) restricted form of distributed shared memory

Jakarta EE is a powerful platform for developing enterprise-level Java applications. It provides a set of specifications and APIs that enable developers to build scalable, secure, and portable applications. Jakarta EE is built on the foundation of Java EE, which has been widely adopted by organizations around the world.One of the key features of Jakarta EE is its support for distributed computing. It includes APIs for building distributed applications, such as remote method invocation (RMI) and message-driven beans. This allows developers to create applications that can run on multiple servers and communicate with each other seamlessly.Another important aspect of Jakarta EE is its focus on security. It provides a comprehensive set of security APIs and features, including authentication, authorization, and encryption. This ensures that applications built with Jakarta EE are robust and protected against potential security threats.Portability is also a major advantage of Jakarta EE. It allows developers to write applications that can run on any Jakarta EE-compliant server, regardless of the underlying operating system or hardware. This makes it easier to deploy and maintain applications across different environments.In addition, Jakarta EE offers a wide range of APIs and specifications for various enterprise-level services, such as database access, messaging, and web services. This simplifies the development process and allows developers to focus on building business logic rather than dealing with low-level details.

Spring MVC is a Java web framework built on the Servlet API and has been included in the Spring Framework from the very beginning.  It handles web applications that use server-rendered HTML user interface, REST APIs, and much more.  The documentation includes Spring MVC, View Technologies, CORS Support, and WebSocket Support. 

Many innovative "microservice" Enterprise Java environments and frameworks already exist in the Java ecosystem. These projects are creating new features and capabilities to address microservice architectures -- leveraging both Java EE and non-Java EE technologies.

Vert. x is an open source, reactive and polyglot software development toolkit from the developers of Eclipse. Reactive programming is a programming paradigm, associated with asynchronous streams, which respond to any changes or events. Similarly, Vert.

Helidon is a lightweight framework designed to help developers build microservices in Java. It offers simplicity and flexibility and caters to various primary use cases. Firstly, it enables the efficient development of RESTful APIs, allowing users to create robust and scalable services. Secondly, it supports the creation of cloud-native applications, helping developers leverage the benefits of cloud computing platforms. Thirdly, it enables the creation of microservices architectures, making it easy to modularize applications and enhance scalability. Finally, Helidon is valuable for building lightweight and reactive applications that can handle large amounts of data and user requests efficiently. The standout attributes of Helidon, as reported by users, include its microservices framework, which allows for the seamless development of lightweight, scalable applications. Users appreciate the simplicity and ease of use in creating and deploying powerful microservices architectures. Another key feature is its support for multiple programming languages, such as Java and Kotlin, offering flexibility and catering to diverse developer preferences. Helidon's compatibility with these languages enables users to leverage their skills and work efficiently within a familiar environment. Users also value Helidon's strong focus on performance, as it can handle significant workloads and deliver optimal response times. This contributes to the overall efficiency and effectiveness of applications built with Helidon. Additionally, the comprehensive documentation and helpful community support greatly aid developers in utilizing Helidon's features to their fullest potential. The availability of extensive resources and guidance ensures a smooth exploration and implementation process for users, promoting overall satisfaction with the framework. Furthermore, users have found that Helidon enhances productivity, streamlines processes, improves collaboration and facilitates better communication within their teams. It also helps increase efficiency, reduce errors, enhance decision-making, and promote overall growth and success for the organization.

Oracle ADF is an end-to-end Java EE framework that simplifies application development by providing out-of-the-box infrastructure services and a visual and declarative development experience. Oracle ADF simplifies Java EE development by minimizing the need to write code that implements the application’s infrastructure allowing the developers to focus on the features of the actual application. Oracle ADF provides these infrastructure implementations as part of the framework. It also implements the Model-View-Controller design pattern and offers an integrated solution that covers all the layers of the architecture integrated with the Oracle SOA and WebCenter Portal frameworks.