图7：rsa模式浏览器中的State模式构架。
Figure 7: State pattern structure within the RSA pattern explorer.
图6：state模式和RSA模式浏览器中参与的类。
Figure 6: State pattern and participating classes within the RSA pattern explorer.
将Singleton模式实例从模式浏览器中拖拽到UM l类图视图中。
Drag and drop the Singleton Pattern instance from the Pattern Explorer into the UML Class Diagram view.
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