| 250 |
|
} |
| 251 |
|
|
| 252 |
|
/** |
| 253 |
< |
* Returns the value to which this map maps the specified key, or |
| 254 |
< |
* <tt>null</tt> if the map contains no mapping for the key. A return |
| 255 |
< |
* value of <tt>null</tt> does not <i>necessarily</i> indicate that the |
| 256 |
< |
* map contains no mapping for the key; it's also possible that the map |
| 257 |
< |
* explicitly maps the key to <tt>null</tt>. The {@link #containsKey |
| 258 |
< |
* containsKey} operation may be used to distinguish these two cases. |
| 253 |
> |
* Returns the value to which the specified key is mapped, |
| 254 |
> |
* or {@code null} if this map contains no mapping for the key. |
| 255 |
> |
* |
| 256 |
> |
* <p>More formally, if this map contains a mapping from a key |
| 257 |
> |
* {@code k} to a value {@code v} such that {@code key} compares |
| 258 |
> |
* equal to {@code k} according to the map's ordering, then this |
| 259 |
> |
* method returns {@code v}; otherwise it returns {@code null}. |
| 260 |
> |
* (There can be at most one such mapping.) |
| 261 |
> |
* |
| 262 |
> |
* <p>A return value of {@code null} does not <i>necessarily</i> |
| 263 |
> |
* indicate that the map contains no mapping for the key; it's also |
| 264 |
> |
* possible that the map explicitly maps the key to {@code null}. |
| 265 |
> |
* The {@link #containsKey containsKey} operation may be used to |
| 266 |
> |
* distinguish these two cases. |
| 267 |
|
* |
| 260 |
– |
* @param key key whose associated value is to be returned |
| 261 |
– |
* @return the value to which this map maps the specified key, or |
| 262 |
– |
* <tt>null</tt> if the map contains no mapping for the key |
| 268 |
|
* @throws ClassCastException if the specified key cannot be compared |
| 269 |
|
* with the keys currently in the map |
| 270 |
|
* @throws NullPointerException if the specified key is null |
