Wrap queue to synchronize the methods : LinkedList « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. LinkedList

import java.util.Collections;
import java.util.LinkedList;

public class Main {
  public static void main(String[] argv) throws Exception {

    LinkedList queue = new LinkedList();
    Object object = "";
    queue.add(object);

    Object o = queue.removeFirst();

    queue = (LinkedList) Collections.synchronizedList(queue);
  }
}