High Quality Content by WIKIPEDIA articles! Sun Java System is a brand used by Sun Microsystems to market computer software. The Sun Java System brand superseded the Sun ONE brand on September 2003. There are two major suites under this brand, the Sun Java Enterprise System suite of infrastructure software, and the Sun Java Desktop System graphical user environment. Sun Microsystems, Inc. is a wholly owned subsidiary of Oracle Corporation, selling computers, computer components, computer software, and information technology services. Sun was founded on February 24, 1982. The company was headquartered in Santa Clara, California (part of Silicon Valley), on the former west campus of the Agnews Developmental Center.