Design patterns · interview question
Before choosing the Strategy Pattern, what question should you ask first?
Multiple choiceEasychapter-13-curatedpremiumdesign-patternsstrategy-pattern
Answer and explanation
Correct answer
B. Which algorithm varies independently behind one stable role?
Why
Strategy is appropriate when multiple algorithms fulfill the same responsibility and change on their own schedule. Identifying that stable role and varying behavior is what justifies the pattern.
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