It's hard to believe but this stuff is JSR-1. (Even our beloved Java Generics has a JSR number of 14.)
Don Busch: The Real-Time Specification for Java (RTSJ)
aims to change that perception by enhancing the Java platform with capabilities required by real-time applications. The RTSJ team members believe that the Real-Time Specification for Java will be the first real-time programming language to be both technologically and commercially successful. That's a very strong statement which will undoubtedly provoke debate, but it also indicates the scope of the capabilities and enhancements in RTSJ.
"Write once carefully, run anywhere conditionally"