The article discusses the benefits of replacing nullable optional attributes with empty collections to improve code maintainability. By transforming nullable objects into collections, developers can eliminate null checks, simplifying logic and emphasizing polymorphism. The provided sample code exemplifies this transition by converting a Coupon attribute from nullable to a list of coupons, allowing for method adaptations that handle collections directly. This change not only reduces the complexity of the code but also enhances its overall readability and reliability.
Replacing nullable optional attributes with empty collections helps eliminate null checks in code, significantly enhancing maintainability and leveraging polymorphism in design.
By transforming single nullable objects into collections, developers can simplify their code architecture, reduce complexity and improve the reliability of the software.
Utilizing collections allows for built-in methods like isEmpty, greatly simplifying logic, and enhancing readability in functions like hasUnsavedChanges and hasCoupon.
Embracing this practice leads to cleaner code, avoiding explicit null checks and promoting a more functional approach within the object-oriented paradigm.
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