Using a LinkedList in multi-thread : LinkedList « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. LinkedList

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

class PrepareProduction implements Runnable {
  private final List<String> queue;

  PrepareProduction(List<String> q) {
    queue = q;
  }

  public void run() {
    queue.add("1");
    queue.add("done");
  }
}

class DoProduction implements Runnable {
  private final List<String> queue;

  DoProduction(List<String> q) {
    queue = q;
  }

  public void run() {
    String value = queue.remove(0);
    while (!value.equals("*")) {
      System.out.println(value);
      value = queue.remove(0);
    }
  }
}

public class Main {
  public static void main(String[] args) throws Exception {
    List q = Collections.synchronizedList(new LinkedList<String>());
    Thread p1 = new Thread(new PrepareProduction(q));
    Thread c1 = new Thread(new DoProduction(q));
    p1.start();
    c1.start();
    p1.join();
    c1.join();
  }
}