23 |
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* element, if one exists, else returning <tt>null</tt>. |
24 |
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* Methods <tt>navigableSubSet</tt>, <tt>navigableHeadSet</tt>, and |
25 |
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* <tt>navigableTailSet</tt> differ from the similarly named |
26 |
< |
* <tt>SortedSet</tt> methods only in that the returned sets |
26 |
> |
* <tt>SortedSet</tt> methods only in their declared return types. |
27 |
> |
* Subsets of any <tt>NavigableSet</tt> must obey |
28 |
> |
* the <tt>NavigableSet</tt> interface. |
29 |
> |
* |
30 |
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* are guaranteed to obey the <tt>NavigableSet</tt> interface. |
31 |
|
* |
32 |
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* <p> The return values of navigation methods may be ambiguous in |