Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Given the reader interface, you can now use other classes - even ones outside the data class hierarchy - as readers, as long as they support the reader interface. Using the abstract reader interface ...

Follow these best practices to eliminate God objects and design classes that are loosely coupled, cohesive, and easy to maintain In object-oriented programming (OOP), so-called God objects are an anti ...