UnmodifiableMapView<K, V> class

View of a Map that disallow modifying the map.

View of a Map that disallow modifying the map.

A wrapper around a Map that forwards all members to the map provided in the constructor, except for operations that modify the map. Modifying operations throw instead.

Extends:

Constructors

UnmodifiableMapView ( Map<K,V> map )
const

Instance Properties

isEmpty bool Inherited
read-only
isNotEmpty bool Inherited
read-only
length int Inherited
read-only
keys Iterable<K> Inherited
read-only
values Iterable<V> Inherited
read-only
keys Iterable<K> Inherited
read-only
values Iterable<V> Inherited
read-only

Instance Methods

toString Inherited ( ) → String
Returns a string representation of this object.
addAll Inherited ( Map<K,V> other ) → void
Adds all key-value pairs of [other] to this map.
clear Inherited ( ) → void
Removes all pairs from the map.
putIfAbsent Inherited ( K key, V ifAbsent() ) → V
Look up the value of [key], or add a new value if it isn't there.
containsKey Inherited ( Object key ) → bool
Returns true if this map contains the given [key].
containsValue Inherited ( Object value ) → bool
Returns true if this map contains the given [value].
forEach Inherited ( void action(K key, V value) ) → void
Applies [f] to each key-value pair of the map.
remove Inherited ( Object key ) → V
Removes [key] and its associated value, if present, from the map.
remove Inherited ( Object key ) → V
Removes [key] and its associated value, if present, from the map.
clear Inherited ( ) → void
Removes all pairs from the map.
addAll Inherited ( Map<K,V> other ) → void
Adds all key-value pairs of [other] to this map.
forEach Inherited ( void action(K key, V value) ) → void
Applies [f] to each key-value pair of the map.
putIfAbsent Inherited ( K key, V ifAbsent() ) → V
Look up the value of [key], or add a new value if it isn't there.

Operators

operator []= Inherited ( K key, V value ) → void
Associates the [key] with the given [value].
operator [] Inherited ( Object key ) → V
Returns the value for the given [key] or null if [key] is not in the map.