package misc; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; public class ConvertCollectionToSynchronizedCollection { public static void main(String[] args) { List syncList = Collections.synchronizedList(new ArrayList()); syncList.add("one"); syncList.add("two"); syncList.add("three"); synchronized (syncList) { Iterator iterator = syncList.iterator(); while (iterator.hasNext()) { System.out.println("Item: " + iterator.next()); } } } }