A polymorphic reference is a variable that can refer to different types of objects. A reference can refer to an object of its class, or to an object of any subclass. When we call a method through a polymorphic reference,…
A polymorphic reference is a variable that can refer to different types of objects. A reference can refer to an object of its class, or to an object of any subclass. When we call a method through a polymorphic reference,…
The following are different relationships between classes. Let A and B be two classes. Dependency: A uses B Aggregation: A has-a B (as an attribute) Inheritance: B is a kind of A Subclass and Superclass In Java, new classes (child…