Java, A Beginner's Guide, 5th Edition, 5th Edition

Using super to Access Superclass Members

There is a second form of super that acts somewhat like this, except that it always refers to the superclass of the subclass in which it is used. This usage has the following general form:

super.member

Here, member can be either a method or an instance variable.

This form of super is most applicable to situations in which member names of a subclass hide members by the same name in the superclass. Consider this simple class hierarchy:

Although the instance variable i in B hides the i in A, super allows access to the i defined in the superclass. super can also be used to call methods that are hidden by a ...