Java Platform, Micro Edition (Java ME) is a subset of the Java programming language designed for developing applications on resource-constrained devices, such as mobile phones, embedded systems, and IoT devices. It provides a flexible environment that allows developers to create applications that can run on various hardware and software configurations. Java ME includes a set of APIs and a virtual machine tailored for small devices, enabling features like user interface design, networking, and data storage. This platform supports a wide range of applications, from games to business tools, making it a popular choice for developers targeting mobile and embedded markets.