Quick study sessions to strengthen memory and retain key concepts.
How do fields differ from local variables?
Fields are object state; local variables are temporary and method-specific. Fields maintain the object's state throughout its lifetime,…
View Card →Why does constructors in a class matter in this design?
Constructors initialize new objects, setting up initial state. A constructor sets up the initial state of an object…
View Card →Why is it important to choose the right fields for a class?
Fields define an object's state, affecting its behavior and interactions. Fields represent the data or state of an…
View Card →Why is it beneficial to include a 'quantity' field in a CartItem class?
It tracks the amount of a product in the cart. The 'quantity' field in a CartItem class records…
View Card →What can indicate weak modeling in a Java class design?
Unrelated fields and complex dependencies. Weak modeling often shows through unrelated fields or convoluted dependencies, which can hinder…
View Card →How does a constructor initialize an object?
Sets initial field values. Frame the concept in practical terms so you can explain it during interview discussion.…
View Card →Why might a class use private fields and public methods?
To protect data and provide controlled access. Private fields prevent direct access, while public methods offer controlled interactions.…
View Card →How would you explain the 'this' keyword used for in a Java interview?
Refers to the current object. Frame the concept in practical terms so you can explain it during interview…
View Card →Why can all public fields in a class become a problem in practice?
Lack of control over field modifications. Frame the concept in practical terms so you can explain it during…
View Card →Why might a CartItem class include a Product field?
To link an item to its product details. Frame the concept in practical terms so you can explain…
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