The
SortedMap interface is used by TreeMap and adds additional methods to reflect that a TreeMap is sorted.
| Result | Method | Description |
|---|
comp = | comparator() | Returns Comparator used to compare keys. null if natural ordering used (eg, String). |
obj = | firstKey() | Key of first (in sorted order) element. |
obj = | lastKey() | Key of last (in sorted order) element. |
smp = | headMap(obj) | Returns SortedMap of all elements less than obj. |
smp = | tailMap(obj) | Returns SortedMap of all elements greater than or equal to obj. |
smp = | subMap(fromKey, toKey) | Returns SortedMap of all elements greater than or equal to fromKey and less than toKey. |
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