This is the official Sun Microsystems Press documentation that describes the primary facilities for implementing multi-threaded applications. It describes the services and capabilities of the multi-threaded library. KEY TOPICS: Covers topics such as thread basics; thread creation and scheduling; synchronization; signals; threats and process resources; advanced topics; using threads; the threads environment; debugging techniques; and example applications. MARKET: For programmers responsible for converting, designing, implementing, or maintaining multi-threaded applications.