J2EE (Java 2 Platform, Enterprise Edition)

J2EE (Java 2 Platform, Enterprise Edition) is a platform designed for building and running large-scale, distributed, and secure business applications. It provides a set of ready-to-use technologies and tools, such as servers, components, and frameworks, that help developers create applications like online banking, e-commerce, and corporate management systems. J2EE simplifies the development process by managing complex tasks like security, transaction handling, and communication between different parts of an application, ensuring that enterprise software is reliable, scalable, and maintainable.