A boolean property that is true
, if the the map is empty.
Optionally returns the value associated with a key.
Optionally returns the value associated with a key.
the key value
an option value containing the value associated with key in this $MAP, or None if none exists.
Creates a new BooleanBinding that holds true if this map is equal to another ObservableMap.
Creates a new BooleanBinding that holds true if this map is equal to another ObservableMap.
the other ObservableMap
the new BooleanBinding
Creates a new BooleanBinding that holds true if this map is not equal to another ObservableMap.
Creates a new BooleanBinding that holds true if this map is not equal to another ObservableMap.
the other ObservableMap
the new BooleanBinding
An integer property that represents the size of the map.
Wraps a JavaFX MapExpression.