28 |
|
* subrange traversals in either direction using <tt>navigableSubMap</tt>. |
29 |
|
* Methods <tt>navigableSubMap</tt>, <tt>navigableHeadMap</tt>, and |
30 |
|
* <tt>navigableTailMap</tt> differ from the similarly named |
31 |
< |
* <tt>SortedMap</tt> methods only in that the returned maps |
32 |
< |
* are guaranteed to obey the <tt>NavigableMap</tt> interface. |
31 |
> |
* <tt>SortedMap</tt> methods only in their declared return types. |
32 |
> |
* Submaps of any <tt>NavigableMap</tt> must obey |
33 |
> |
* the <tt>NavigableMap</tt> interface. |
34 |
|
* |
35 |
|
* <p>This interface additionally defines methods <tt>firstEntry</tt>, |
36 |
|
* <tt>pollFirstEntry</tt>, <tt>lastEntry</tt>, and |