bai_lu_sz的专栏

Factory Method PurposeStructureApplicationsConsequencesPurposeDefine an interface for creating an object, but let subclasses decide which class to instantiate.Factory Method lets a class def

file:///D:/PROGRA~1/StarUML/modules/STARUM~4/Pattern%20Repository/GoF/Factory%20Method/Factory%20Method.htm这个连接不对   所有资料全部出自staruml 转载请注明StarUMLFactory Method PurposeStructureApplicationsCon

资料出处：staruml 转载请说明出自StarUMLSingleton PurposeStructureApplicationsConsequencesPurposeEnsure a class only has one instance, and provide a global point of access to it.Structure