Java 2 Platform, Enterprise Edition

Java 2 Platform, Enterprise Edition

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Java 2 Platform, Enterprise Edition (J2EE) is a set of coordinated specifications and practices that together enable solutions for developing, deploying, and managing multi-tier server-centric applications. Developed by Sun Microsystems (now owned by Oracle), J2EE is built on the solid foundation of Java technology and is widely used for enterprise-level applications.

J2EE provides a component-based approach to the design, development, assembly, and deployment of enterprise applications. It specifies the set of services common to most multi-tier applications, including web services, distributed computing, transaction management, messaging, and security.

J2EE application components are standardized modules that can be assembled into complete applications using various J2EE-compliant application servers, such as IBM WebSphere, Oracle WebLogic, JBoss, and Apache Tomcat. This allows developers to focus on business logic, rather than dealing with issues such as scalability, reliability, and manageability.

J2EE has since evolved into Java Platform, Enterprise Edition (Java EE), and as of Jakarta EE under the Eclipse Foundation after Oracle donated the Java EE brand and technology to them in 2018. Jakarta EE continues the evolution of the J2EE technologies for building enterprise applications.

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