class Test {
  public static void main(String[] args){
    LinkedList<Byte> xs = new LinkedList<Byte>();
    xs.add(new Byte(0)); xs.add(new Byte(1));
    Byte x = Collections.max(xs);

    LinkedList<Boolean> ys = new LinkedList<Boolean>();
    ys.add(new Boolean(false)); ys.add(new Boolean(true));
    Boolean y = Collections.max(ys); // compile error
  }
}