Thread::isStarted Tell if the referenced Thread has been started. &reftitle.description; final public booleanThread::isStarted A Thread does not begin executing until a call to Thread::start. A Thread cannot be started twice with a call to Thread::start. The programmer should take care to avoid potential programming errors by calling state detection methods before attempting synchronization with another Thread. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; A boolean indication of state.