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The Hashtable class creates a hash table by mapping keys to values. As a key or value, any non-null object can be used. The objects used as keys must implement the hashCode and equals methods in order to successfully store and retrieve objects from a hashtable. Hashtable class Declaration: Remember the following: A Hashtable is […]
Java includes a map interface. A mapping between a key and a value is represented by the util package. The Collection interface does not have a subtype called Map. As a result, it operates differently than the other collection types. A map comprises distinct keys. Duplicate keys are not permitted in a Map, although duplicate […]