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import java.util.*; class IteratorDemo { void list() { ArrayListOutput: The List Items Are 20al=new ArrayList (); al.add(20); al.add(30); al.add(40); al.add(10); al.add(70); ListIterator i=al.listIterator(); while(i.hasNext()) { System.out.println("The List Items Are "+i.next()); } System.out.println("\n"); while(i.hasPrevious()) { System.out.println("The List Items Are "+i.previous()); } } } class ArrayListDemo { public static void main(String aargs[]) { IteratorDemo d=new IteratorDemo(); d.list(); } }