Consider the following code snippet: Assume that the Auto class inherits from the Vehicle class, and both classes have an implementation of the moveForward method with the same set of parameters and the same return type.What determines which class's moveForward method is to be executed?
A)the actual object type.
B)the variable's type.
C)the hierarchy of the classes.
D)it is not possible to determine which method is executed.

Question

Consider the following code snippet:  Assume that the Auto class inherits from the Vehicle class, and both classes have an implementation of the moveForward method with the same set of parameters and the same return type.What determines which class's moveForward method is to be executed? 
A)the actual object type. 
B)the variable's type. 
C)the hierarchy of the classes. 
D)it is not possible to determine which method is executed.

Quizplus · Accepted Answer

The actual object type determines which class's moveForward method is executed. This is known as runtime polymorphism or dynamic method dispatch. If an object of the Auto class is instantiated and its moveForward method is called, the Auto class's implementation of moveForward will be executed. If an object of the Vehicle class is instantiated and its moveForward method is called, the Vehicle class's implementation of moveForward will be executed.

Consider the Following Code Snippet: Assume That the Auto