أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
In magento 2 all files (block, controller, model, layouts, js moved in single folder.)
Magento 1 Mage folder moved under vendor\\magento.
you will get more idea about from following page.
https://darshanbhavsar.wordpress.com/2015/02/03/magento-2-directory-structure/
its a bit typical to define the structure of magento 2X. but you can understand the difference easily if you compare magento 1X and 2X. so find the structure and there difference herehttps://darshanbhavsar.wordpress.com/2015/02/03/magento-2-directory-structure/Hope it will help you