1Jiang Hong 1, He Ke\|qing 1, Ying Shi 2 1.College of Computer,Wuhan University,Wuhan 430072,China,2.State Key Laboratory of Software Engineering,Wuhan University,Wuhan 430072,China.Reflective State Pattern with Dynamic Constructiveness[J].Wuhan University Journal of Natural Sciences,2001,6(Z1):191-199.