## Dummy Object Brief ![[test-dummy.png|100]] A object never expected to be used, only fulfill a mandatory parameter for another object. (You can argue that you are violating the [Interface segregation principle](https://en.wikipedia.org/wiki/Interface_segregation_principle)if you need a dummy object to do your work ) ## Notes - Also refereed to as a `Fake Object` ## Sources https://subscription.packtpub.com/book/programming/9781783983605/1/ch01lvl1sec10/using-dummy-objects