forEach method

void forEach (void action(E element))

Applies the function f to each element of this collection in iteration order.

Implementation 

void forEach(void action(E element)) {
  int length = this.length;
  for (int i = 0; i < length; i++) {
    action(this[i]);
    if (length != this.length) {
      throw new ConcurrentModificationError(this);
    }
  }
}