Interface Get<K,​V>

    • Method Detail

      • containsKey

        boolean containsKey​(java.lang.Object key)
        Parameters:
        key - key whose presence in this map is to be tested
        Returns:
        true if this map contains a mapping for the specified key
        See Also:
        Map.containsKey(Object)
      • containsValue

        boolean containsValue​(java.lang.Object value)
        Parameters:
        value - value whose presence in this map is to be tested
        Returns:
        true if this map maps one or more keys to the specified value
        See Also:
        Map.containsValue(Object)
      • entrySet

        java.util.Set<java.util.Map.Entry<K,​V>> entrySet()
        Returns:
        a set view of the mappings contained in this map
        See Also:
        Map.entrySet()
      • get

        V get​(java.lang.Object key)
        Parameters:
        key - the key whose associated value is to be returned
        Returns:
        the value to which the specified key is mapped, or null if this map contains no mapping for the key
        See Also:
        Map.get(Object)
      • remove

        V remove​(java.lang.Object key)
        Parameters:
        key - key whose mapping is to be removed from the map
        Returns:
        the previous value associated with key, or null if there was no mapping for key.
        See Also:
        Map.remove(Object)
      • isEmpty

        boolean isEmpty()
        Returns:
        true if this map contains no key-value mappings
        See Also:
        Map.isEmpty()
      • keySet

        java.util.Set<K> keySet()
        Returns:
        a set view of the keys contained in this map
        See Also:
        Map.keySet()
      • size

        int size()
        Returns:
        the number of key-value mappings in this map
        See Also:
        Map.size()
      • values

        java.util.Collection<V> values()
        Returns:
        a collection view of the values contained in this map
        See Also:
        Map.values()