Method addAll

classpath/java/util/LinkedHashSet.java:47–51

(Collection<? extends T> collection)

  }

  public boolean addAll(Collection<? extends T> collection) {
    boolean change = false;
    for (T t: collection) if (add(t)) change = true;
    return change;
  }

  public boolean remove(Object element) {
    return map.remove(element) != Value;