9.4 super Keyword

Enduring Understanding

When multiple classes contain common attributes and behaviors, programmers create a new class containing the shared attributes and behaviors forming a hierarchy. Modifications made at the highest level of the hierarchy apply to the subclasses.

Learning Objective

Create an inheritance relationship from a subclass to the superclass.

Essential Knowledge

The keyword super can be used to call a superclass’s constructors and methods.

The superclass method can be called in a subclass by using the keyword super with the method name and passing appropriate parameters.