Class LongMap<V>

  • Type Parameters:
    V - type of the value instance.

    public class LongMap<V>
    extends Object
    Simple Map<long, Object>.
    Since:
    4.9
    • Constructor Detail

      • LongMap

        public LongMap()
        Initialize an empty LongMap.
    • Method Detail

      • containsKey

        public boolean containsKey​(long key)
        Whether key is present in the map.
        Parameters:
        key - the key to find.
        Returns:
        true if key is present in the map.
      • get

        public V get​(long key)
        Get value for this key
        Parameters:
        key - the key to find.
        Returns:
        stored value for this key, or null.
      • remove

        public V remove​(long key)
        Remove an entry from the map
        Parameters:
        key - key to remove from the map.
        Returns:
        old value of the key, or null.
      • put

        public V put​(long key,
                     V value)
        Put a new entry into the map
        Parameters:
        key - key to store value under.
        value - new value.
        Returns:
        prior value, or null.