Home›Browse›Visitor pattern🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTiếng ViệtРусскийفارسی한국어中文日本語EntityQ830719· pop 22· linked from 119 articlesVisitor patternSign in to saveAlso known as visitordesign patternAvailable in 19 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBulgarianCzechGalicianHungarianPolskiSvenskaTiếng ViệtUkrainianفارسی한국어via Wikidata sitelinks · CC0