design patterns: strategy and nullobject
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Design Patterns: Strategy + NullObject
Ombu Labs, July 2016
Object Oriented Design
Design Patterns
Elements of Reusable Object-Oriented Software
Strategy
Classic Example
Payment Gateway Example
NullObject
Design Patterns for Better Communication
Apply Design Patterns Wisely
But Be Careful
Applying more Design Patterns than you need is an anti-pattern
Thank you!
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