LessonAbout 8 minLesson languageEnglishதமிழ் (Tamil)हिन्दी (Hindi)മലയാളം (Malayalam)తెలుగు (Telugu)ಕನ್ನಡ (Kannada)বাংলা (Bengali)मराठी (Marathi)ગુજરાતી (Gujarati)ਪੰਜਾਬੀ (Punjabi)Chapter 7 · Lesson 5 of 505. Classes that build on others: extendsMake a class that starts from another with extends, call the parent's constructor with super, and give it its own version of a method.