Question

ment best describes the relationship between superclass and subclass types? a. A subclass reference cannot be assigned to a superclass variable and a superclass reference cannot be assigned to a subclass variable. b. A subclass reference can be assigned to a superclass variable and a superclass reference can be assigned to a subclass variable. c. A superclass reference can be assigned to a subclass variable, but a subclass reference cannot be assigned to a superclass variable. d. A subclass reference can be assigned to a superclass variable, but a superclass reference cannot be assigned to a subclass variable.

Answer 1

Answer:

d. A subclass reference can be assigned to a superclass variable, but a superclass reference cannot be assigned to a subclass variable.

Explanation:

A subclass is a class which is derived from another class. A subclass will have the characteristics of its ancestor class. A superclass is a class which is class direct ancestor. A superclass is an existing class from which new classes are derived whereas subclass is a class which is derived from superclass. The correct statement is that a subclass can be assigned to a superclass variable.