@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public E poll() { Node<E> ret = head.next; if (ret != null) { removeAfter(head); return ret.val(); } else { return null; } }
@Override public String toString() { StringBuilder str = new StringBuilder("LinkedListImpl [ "); Node<E> node = head; while (node != null) { str.append(node.toString()); if (node.next != null) { str.append(", "); } node = node.next; } return str.toString(); }
@Override public E poll() { Node<E> ret = head.next; if (ret != null) { removeAfter(head); return ret.val(); } else { return null; } }
@Override public E poll() { Node<E> ret = head.next; if (ret != null) { removeAfter(head); return ret.val(); } else { return null; } }
@Override public E poll() { Node<E> ret = head.next; if (ret != null) { removeAfter(head); return ret.val(); } else { return null; } }
@Override public E poll() { Node<E> ret = head.next; if (ret != null) { removeAfter(head); return ret.val(); } else { return null; } }
@Override public E poll() { Node<E> ret = head.next; if (ret != null) { removeAfter(head); return ret.val(); } else { return null; } }