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Chapter 18: Problem 11

List Iterator is a subinterface of what other JCF interface?

Short Answer

Expert verified
Answer: The parent interface of List Iterator in the JCF is the Iterator interface.

Step by step solution

01

Understand What A Subinterface Is

A subinterface in Java is an interface that extends another interface. In the Java Collection Framework, several interfaces extend other interfaces to build a hierarchy of more specific functionalities.
02

Java Collection Framework Hierarchy

The Java Collection Framework (JCF) provides a set of interfaces and classes to work with groups of objects. Some of the key interfaces in the JCF hierarchy are: - Collection - List - Set - Queue - Deque - Map - SortedSet - NavigableSet - SortedMap - NavigableMap Relate the List Iterator to these interfaces to identify its parent interface.
03

Identify the Parent Interface

The List Iterator is designed specifically for Lists as an extension of the basic Iterator. The Iterator interface provides methods for traversing elements of a collection. The parent interface of List Iterator is the Iterator interface. The subinterface ListIterator extends Iterator and therefore: The List Iterator is a subinterface of the Iterator interface in the Java Collection Framework (JCF).

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