Java technology to provide foundation for new OnStar services OnStar, a subsidiary of General Motors Corp. (NYSE: GM), and Sun Microsystems, Inc. today announced they will collaborate to bring new personalized services to OnStar subscribers using Java technology. Under the agreement, Sun and OnStar will build a new, open software layer based on Java 2 Platform Micro Edition technology. To ensure that the software solution is "open," OnStar and Sun will solicit input from the entire industry and release the resulting specifications to the automotive industry and standards bodies.