Map interface.Note
in the original Map interface, Map#put(Object, Object) is known
to have the same return type as Map#get(Object), namely V. Put
makes no assumptions in this regard (there is no association with, nor even knowledge
of, a "reading" interface) and thus defines put(Object, Object) as returning
Object.
Get
| Modifier and Type | Method and Description |
|---|---|
| public void | |
| public Object | Returns: the previous value associated withkey, or
null if there was no mapping for key.
(A null return can also indicate that the map
previously associated null with key,
if the implementation supports null values.)key with which the specified value is to be associated key, V value to be associated with the specified key value)Note that the return type is Object, rather than V as in the Map interface. |
| public void |
| clear | back to summary |
|---|---|
public void clear()
| |
| put | back to summary |
|---|---|
| public Object put(K key, V value) Note that the return type is Object, rather than V as in the Map interface. See the class Javadoc for further info.
| |
| putAll | back to summary |
|---|---|
public void putAll(Map<? extends K, ? extends V> t)
| |