CopyOnWriteArrayList - iterate using iterator, listIterator, Enumeration and enhanced for loop.
import java.util.Collections;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.concurrent.CopyOnWriteArrayList;
public class CopyOnWriteArrayListTest {
public static void main(String args[]) {
List<String> copyOnWriteArrayList = new CopyOnWriteArrayList<String>();
copyOnWriteArrayList.add("ankit");
copyOnWriteArrayList.add("javaMadeSoEasy");
System.out.println("-------use iterator-------");
Iterator<String> iterator = copyOnWriteArrayList.iterator();
while (iterator.hasNext()) {
System.out.println(iterator.next());
}
System.out.println("-------use listIterator-------");
ListIterator<String> listIterator = copyOnWriteArrayList.listIterator();
while (listIterator.hasNext()) {
System.out.println(listIterator.next());
}
System.out.println("-------use Enumeration-------");
Enumeration<String> listEnum = Collections
.enumeration(copyOnWriteArrayList);
while (listEnum.hasMoreElements()) {
System.out.println(listEnum.nextElement());
}
System.out.println("-------use enhanced for loop-------");
for (String string : copyOnWriteArrayList) {
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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RELATED LINKS>
CopyOnWriteArrayList - fail-safe or fail-fast iteration using iterator, listIterator, Enumeration and enhanced for loop
CopyOnWriteArrayList - isEmpty, size and clear methods program
Labels:
Collection programs
Core Java