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What are design patterns in OOP?
Updated May 17, 2026
Short answer
Design patterns are reusable solutions to common software design problems.
Deep explanation
They provide standardized approaches for solving recurring design issues in object-oriented systems.
Real-world example
Using Factory pattern to create objects dynamically.
Common mistakes
- Overusing patterns unnecessarily.
Follow-up questions
- What are categories of patterns?
- Why use patterns?