You can map methods defined on classes to multiple interface methods from the same interface or from different interfaces. You can view the scope of mapping from the Methods Browser, by displaying only the methods that are involved in an interface mapping.
To display the scope of local method mappings
In the Class Browser, select the class whose interface mappings you want to view.
Select the Methods Browser command from the Classes menu. The Methods Browser for the selected class is then displayed.
Select the Show Interface Implementors Only command from the View menu.
The Methods List at the left of the Methods Browser then displays the scope of the local method mappings in the current schema, as shown in the following image.
Although you can change a class method in the editor pane of this browser, to change an interface method displayed in the Methods List of the Methods Browser for interface implementors only, you can do so only from the Interface Browser.