ConcurentLinkedQueue<MyObject> queue;

ResultSet rs = /* SELECT href from LINKS */;
while(rs.hasNext()) {
  MyObject o = new MyObject(rs.next());
  queue.add(o);
}

/* create & start threads */
for(int i = 0; i < 10; ++i) {
  MyThread t = new MyThread(queue);
  t.start();
}

/* inside MyThread */
void threadMethod() {
  MyObject o = queue.poll();
  if(o != null) {
    /* process myobject */
  } else {
    System.out.println("no more items, thread shutting down.");
  }
}