How can you combine the Payment Strategy Pattern with a Factory Pattern to improve payment method creation?

hard📝 Trade-off Q9 of Q15

LLD - Design — Online Shopping Cart

AUse factory pattern inside each payment strategy class

BReplace strategy pattern with factory pattern entirely

CUse a factory to create payment strategy instances based on input, then pass to context

DUse factory to create context instead of strategies

Step-by-Step Solution

Solution:

Step 1: Understand roles of patterns
Factory creates objects, strategy defines interchangeable algorithms.
Step 2: Combine patterns properly
Use factory to instantiate correct payment strategy based on input, then inject into context for execution.
Final Answer:
Use a factory to create payment strategy instances based on input, then pass to context -> Option C
Quick Check:
Factory creates strategies, context uses them [OK]

Quick Trick: Factory creates strategies; context uses them [OK]

Common Mistakes:

MISTAKES

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