The head Questions for Magento 2 Backend developer Position

The head Questions for Magento 2 Backend developer  Position

Design patterns

What is singleton ?

https://devdocs.magento.com/guides/v2.4/extension-dev-guide/factories.html

What is Observer ?

https://devdocs.magento.com/guides/v2.4/extension-dev-guide/events-and-observers.html

What is dependency injection ?

https://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html#:~:text=Magento%202%20uses%20Dependency%20Injection,Mage%20class%20in%20Magento%201.&text=Dependency%20Injection%20is%20a%20design,B%20that%20supplies%20those%20dependencies.

What is Difference beetwen ResourceModel and Model ?

https://www.codilar.com/blog/magento-2-models-resource-models-and-collections/

What is diference beetween cache:flush and cache clean ?

https://armmage.com/2021/06/09/magento-2-cache-clean-vs-cache-flush/



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