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import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
public class SafeCollectionIteration extends Object {
public static void main(String[] args) {
List wordList = Collections.synchronizedList(new ArrayList());
wordList.add("Iterators");
wordList.add("require");
wordList.add("special");
wordList.add("handling");
synchronized (wordList) {
Iterator iter = wordList.iterator();
while (iter.hasNext()) {
String s = (String) iter.next();
System.out.println("found string: " + s + ", length="
+ s.length());
}
}
}
}
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