Returns an unmodifiable view of the
specified navigable map. Query operations on the returned navigable map "read
through" to the specified navigable map. Attempts to modify the returned
navigable map, whether direct, via its collection views, or via its
subMap
, headMap
, or tailMap
views, result in
an UnsupportedOperationException
.
The returned navigable map will be serializable if the specified navigable map is serializable.
<K> | the class of the map keys | |
<V> | the class of the map values | |
m | the navigable map for which an unmodifiable view is to be returned |
Diagram: Collections