The request
“Create a UML class diagram for a PaymentProcessor that uses a PaymentStrategy interface with credit card, PayPal and bank transfer implementations.”
Then tryAdd a WalletPayment strategy.Add a refund method to PaymentProcessor.
What is in this drawing
Read the decisions behind it.
01
Define a PaymentStrategy interface with a pay method
02
Implement concrete strategy classes for each payment method
03
Use context class PaymentProcessor to delegate to strategy
When a system requires different algorithms or behaviors that can be selected at runtime, such as multiple payment gateways.
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