| 1068 |
|
* @return {@code true} if this deque contains the specified element |
| 1069 |
|
*/ |
| 1070 |
|
public boolean contains(Object o) { |
| 1071 |
< |
if (o == null) return false; |
| 1072 |
< |
for (Node<E> p = first(); p != null; p = succ(p)) { |
| 1073 |
< |
E item = p.item; |
| 1074 |
< |
if (item != null && o.equals(item)) |
| 1075 |
< |
return true; |
| 1071 |
> |
if (o != null) { |
| 1072 |
> |
for (Node<E> p = first(); p != null; p = succ(p)) { |
| 1073 |
> |
E item = p.item; |
| 1074 |
> |
if (item != null && o.equals(item)) |
| 1075 |
> |
return true; |
| 1076 |
> |
} |
| 1077 |
|
} |
| 1078 |
|
return false; |
| 1079 |
|
} |
