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Abstract factory design Pattern

1 minute read

Please take this interface for creating families or dependant objects without specifying their concrete classes. Abstract factory design pattern

Simple Factory Pattern

2 minute read

Don’t just instantiate a concrete class and use it straight away. You’ll be regretting in the longer term Simple Factory Pattern

Singleton Pattern

2 minute read

Hey. You can’t initialize me, but you can get the only one instance of myself which is shared across your app by asking my static sub-routine. I can help ...

Observer Pattern

1 minute read

Hey Subject, I would like to register myself to your subscribers list. Please update me too when your state changes. Thank you. Observer class