A concrete class that implements an interface must define all methods and properties of that interface.

Name: A concrete class that implements an interface must define all methods and properties of that interface.
Brand: Quizplus
Rating: 4.9 (39 reviews)

Question

Quizplus · Accepted Answer

This is known as the "contract" of the interface - any class that implements the interface must provide a concrete implementation for each method and property declared in the interface. Failing to do so will result in a compile-time error.

A Concrete Class That Implements an Interface Must Define All