Quick study sessions to strengthen memory and retain key concepts.
What are the risks of setter-heavy designs?
Setter-heavy designs can lead to inconsistent object states. Using many setters can make it easy to create objects…
View Card →Why is using private fields in Java classes important?
Private fields prevent external modification and help maintain control. Using private fields ensures that the internal state of…
View Card →How does encapsulation benefit an e-commerce class design?
It hides implementation details and protects data integrity. Encapsulation in e-commerce classes like `ShoppingCart` hides the complexities of…
View Card →Why is it a problem if a class has many public fields?
Public fields expose internal state, risking data inconsistency. Public fields can be modified freely, leading to inconsistent states…
View Card →How would you explain a common mistake when refactoring procedural scripts into objects in an interview?
Overcomplicating with too many classes or methods. A common mistake is overcomplicating the design by creating multiple classes…
View Card →Why does private fields in a class matter in practice?
Private fields protect an object's state from outside interference. Private fields prevent direct external modification, ensuring the object's…
View Card →How do methods improve over direct field access?
Methods encapsulate behavior and validation. Using methods instead of direct field access allows you to encapsulate validation and…
View Card →What signifies a compile-safe but weak object design?
Objects lack clear purpose or cohesion. Frame the concept in practical terms so you can explain it during…
View Card →When should you refactor procedural code into an object-oriented design?
When related data and behaviors can be grouped. Refactor procedural code into objects when you identify related data…
View Card →Why does constructors in Java matter in practice?
They initialize new objects. Frame the concept in practical terms so you can explain it during interview discussion.…
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