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