Creates a new mapping without the given key.
Creates a new mapping without the given key. If the map does not contain a mapping for the given key, the method returns the same map.
Retrieves the value which is associated with the given key. This method throws an exception if there is no mapping from the given key to a value.
[use case] Copies the elements of this immutable list map to an array.
Copies the elements of this immutable list map to an array. Fills the given array xs with at most len elements of this immutable list map, starting at position start. Copying will stop once either the end of the current immutable list map is reached, or the end of the target array is reached, or len elements have been copied.
Copies the elements of this immutable list map to an array. Fills the given array xs with values of this immutable list map. Copying will stop once either the end of the current immutable list map is reached, or the end of the target array is reached.
Copies the elements of this immutable list map to an array. Fills the given array xs with values of this immutable list map, beginning at index start. Copying will stop once either the end of the current immutable list map is reached, or the end of the target array is reached.
UnsupportedOperationException if the immutable list map is empty.
true, iff the map is empty.
NoSuchElementException If the immutable list map is empty.
the first element of this immutable list map with the largest value measured by function f.
the first element of this immutable list map with the smallest value measured by function f.