Skip to content

3.4 The relationship between Circle and Point

The following class diagram shows the relationship between the Circle class and the Point class.

Mermaid diagram Mermaid diagram
  • A Circle contains one Point;
  • A Point can belong to one or more Circles;
  • The Circle knows about the Point;
  • The Point knows nothing about the Circle to which it belongs;
  • This relationship is called unidirectional and is represented by an open arrow on the child side.