Documentation API of the 'org.clapper.util.misc.OrderedHashMap' Java class

Class OrderedHashMap<K,V>

  • All Implemented Interfaces:
    Serializable, Cloneable, Map<K,V>

    Please use java.util.LinkedHashMap, instead

    public class OrderedHashMap<K,V>extends HashMap<K,V>implements Cloneable, Serializable

    An OrderedHashMap is a java.util.HashMap with one additional property: It maintains a list of the map's keys in the order they were added to the map. This additional capability imposes a small amount of extra overhead on insertion and a larger amount of overhead on key removal, but absolutely no additional key lookup overhead. This class is conceptually similar to (though less feature-rich than) the java.util.LinkedHashMap class added in JDK 1.4.

    See Also:
    keysInInsertionOrder(), getKeysInInsertionOrder(java.util.List<? super K>), Serialized Form

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