====== 1. Introduction ====== The runtime environment (RE) for the Java Card Platform, Version 2.2.2, contains the Java Card virtual machine (VM), the Java Card Application Programming Interface (API) classes (and industry-specific extensions), and support services. This document, the **//Runtime Environment Specification for the Java Card Platform, Version 2.2.2//**), specifies the Java Card RE functionality required by the Java Card technology. Any implementation of Java Card technology shall provide this necessary behavior and environment.