Question: Given the class declaration below, what can be inferred about the nature of java.util.Iterator? import java.util.Iterator private static class GenericArrayListIterator implements Iterator { } {

Given the class declaration below, what can be inferred about the nature of java.util.Iterator?
import java.util.Iterator
private static class GenericArrayListIterator implements Iterator {}{} Options: a..
it must implement the Iterable interface
b..
it must implement some utility methods to aid iteration
c..
it must be an abstract class
d..
it must be an interface class

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