1 |
|
/* |
2 |
|
* Written by Doug Lea and Josh Bloch with assistance from members of JCP |
3 |
|
* JSR-166 Expert Group and released to the public domain, as explained at |
4 |
< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
|
*/ |
6 |
|
|
7 |
|
package java.util; |
27 |
|
* Subsets of any {@code NavigableSet} must implement the {@code |
28 |
|
* NavigableSet} interface. |
29 |
|
* |
30 |
< |
* <p> The return values of navigation methods may be ambiguous in |
30 |
> |
* <p>The return values of navigation methods may be ambiguous in |
31 |
|
* implementations that permit {@code null} elements. However, even |
32 |
|
* in this case the result can be disambiguated by checking |
33 |
|
* {@code contains(null)}. To avoid such issues, implementations of |