Class diagram
=============


``abstract class``, ``abstract``

    Example:

    .. code-block:: rest

       .. uml::

           abstract class  "Abstract class"

    .. image:: abstract-class.svg

``annotation``

    .. code-block:: rest

       .. uml::

           annotation      Annotation

    .. image:: annotation.svg

``circle``, ``()``

    .. code-block:: rest

       .. uml::

          circle          Circle

    .. image:: circle.svg

``class``

    .. code-block:: rest

       .. uml::

           class           Class

    .. image:: class.svg

``diamond``, ``<>``
    An empty diamond stands for an association, a black diamond for a
    composition.

    .. code-block:: rest

       .. uml::

           diamond         Association

    .. image:: diamond.svg

``entity``

    .. code-block:: rest

       .. uml::

           entity          Entity

    .. image:: entity.svg

``enum``

    .. code-block:: rest

       .. uml::

          enum            Enumeration

    .. image:: enum.svg

``interface``

    .. code-block:: rest

       .. uml::

          interface       Interface

    .. image:: interface.svg