sergey@total-knowledge.com wrote: >>>> - Why do you need Course::getTopTopic()? >>>> >>>> >>> Removed, interface "Topic" has this info implemented. >>> >>> >> In what way? >> > More questions: > > isTopTopic() added to the interface "Topic". > And, once again, what do you need it for? -- Ilya A. Volynets-Evenbakh Total Knowledge. CTO http://www.total-knowledge.com