____________ is an enhancement of simple accessor and mutator methods.

A) Event handling
B) Introspection
C) Persistence
D) None of the above

Introspection

The examination of one's own thoughts or feelings.

Accessor

A method in object-oriented programming that retrieves (or accesses) the value of a private attribute from an object.

Mutator Methods

Methods that modify the state of an object, often referred to as "setters."