Uml Interface Class. Window as abstract class. Structural things are all about the physical part of a system.
It is the noun of a uml model such as a class object interface collaboration use case component and a node. In uml modeling interfaces are model elements that define sets of operations that other model elements such as classes or components must implement. Any given class or component may implement zero or more interfaces and.
For example a project manager must be able to initiate and terminate a project plan and manage a project while leading a team and so forth.
The logic of method bodies can be defined in subclasses. This class has no method bodies. An interface may be shown using a rectangle symbol with the keyword interface preceding the name. It is the noun of a uml model such as a class object interface collaboration use case component and a node.
