Is it better to have multiple design pattern in one app?

Hi Rajan,

 

 Patterns should be used based on the architecture or based on the requirements. Also, while choosing Design patterns we should be so careful as too much-using design patterns will lead to a bad design. as you can assume it like a medicine, you need to use as directed by a doctor if you take too much it will lead to side effects.

 

For example, if you are doing a small online application to enter the school students information. You no need to use any heavy design patterns like Microservices.

 

For your question, Always make sure to adhere to SOLID principles.