ct the correct answerWhich of these class relies upon its subclasses for complete implementation of its methods?

The class that relies upon its subclasses for complete implementation of its methods is known as an abstract class. In object-oriented programming, an abstract class serves as a blueprint for other classes. It can contain both abstract methods (which do not have an implementation and must be implemented by subclasses) and concrete methods (which have a predefined implementation).

The purpose of an abstract class is to define a common interface for subclasses, while also providing some level of shared functionality. Subclasses derived from the abstract class must provide the implementation for the abstract methods, ensuring that they complete the class's functionality. Thus, the correct answer to your question is an abstract class.