returns the number of nodes contained inside the topological-graph concode_field_sep List<TopologicalLink> linkList concode_elem_sep List<TopologicalNode> nodeList concode_field_sep Iterator<TopologicalNode> getNodeIterator concode_elem_sep void addNode concode_elem_sep int getNumberOfLinks concode_elem_sep String toString concode_elem_sep void addLink concode_elem_sep Iterator<TopologicalLink> getLinkIterator
int function ( ) { return nodeList . size ( ) ; }