LinkedList - iterate using iterator, listIterator, Enumeration and enhanced for loop.
import java.util.LinkedList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
/** Copyright (c), AnkitMittal JavaMadeSoEasy.com */
public class LinkedListIterateExample {
public static void main(String args[]) {
List<String> linkedList = new LinkedList<String>();
linkedList.add("ankit");
linkedList.add("javaMadeSoEasy");
System.out.println("-------use iterator-------");
Iterator<String> iterator = linkedList.iterator();
while (iterator.hasNext()) {
System.out.println(iterator.next());
}
System.out.println("-------use listIterator-------");
ListIterator<String> listIterator = linkedList.listIterator();
listIterator.next();
listIterator.previous();
while (listIterator.hasNext()) {
System.out.println(listIterator.next());
}
System.out.println("-------use Enumeration-------");
Enumeration<String> listEnum = Collections.enumeration(linkedList);
while (listEnum.hasMoreElements()) {
System.out.println(listEnum.nextElement());
}
System.out.println("-------use enhanced for loop-------");
for (String string : linkedList) {
System.out.println(string);
}
}
}
/*OUTPUT
-------use iterator-------
ankit
javaMadeSoEasy
-------use listIterator-------
ankit
javaMadeSoEasy
-------use Enumeration-------
ankit
javaMadeSoEasy
-------use enhanced for loop-------
ankit
javaMadeSoEasy
*/
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