上游充通大学 SHANGHAI JIAO TONG UNIVERSITY © Booch's and Rumbaugh's methods seemed to be evolving in a similar direction In 1994 they joined forces in effort to merge their two methods They both wanted to include use cases,so soon Jacobson joined them Software EngineeringSoftware Engineering Booch’s and Rumbaugh’s methods seemed to be evolving in a similar direction In 1994 they joined forces in effort to merge their two methods They both wanted to include use cases, so soon Jacobson joined them