Java - LinkedList ListIterator Example

Chapter: Data Structures Last Updated: 24-04-2016 15:37:23 UTC

Program:

            /* ............... START ............... */
                
import java.util.LinkedList;
import java.util.ListIterator;

public class JavaLinkedListIterator {
	public static void main(String[] args) {

		// Create a LinkedList
		LinkedList<String> linkedlist = new LinkedList<String>();

		// Add elements to LinkedList
		linkedlist.add("Google");
		linkedlist.add("Microsoft");
		linkedlist.add("Apple");
		linkedlist.add("Oracle");

		// Obtaining ListIterator
		ListIterator listIt = linkedlist.listIterator();

		// Iterating the list in forward direction
		System.out.println("Forward iteration:");
		while (listIt.hasNext()) {
			System.out.println(listIt.next());
		}

		// Iterating the list in backward direction
		System.out.println("\nBackward iteration:");
		while (listIt.hasPrevious()) {
			System.out.println(listIt.previous());
		}
	}
}

                /* ............... END ............... */
        

Output

Forward iteration:
Google
Microsoft
Apple
Oracle

Backward iteration:
Oracle
Apple
Microsoft
Google

Tags

LinkedList ListIterator, Java, DataStructure

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