Constructors
Name | Description |
---|---|
Hashtable() | Constructs a new, empty hashtable with a default capacity and load factor. |
Hashtable(int) | Constructs a new, empty hashtable with the specified initial capacity and default load factor. |
Hashtable(int, float) | Constructs a new, empty hashtable with the specified initial capacity and the specified load factor. |
Methods
Name | Description |
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clear() | Clears this hashtable so that it contains no keys. |
clone() | Creates a shallow copy of this hashtable. |
contains(Object) | Tests if some key maps into the specified value in this hashtable. |
containsKey(Object) | Tests if the specified object is a key in this hashtable. |
elements() | Returns an enumeration of the values in this hashtable. |
get(Object) | Returns the value to which the specified key is mapped in this hashtable. |
isEmpty() | Tests if this hashtable maps no keys to values. |
keys() | Returns an enumeration of the keys in this hashtable. |
put(Object, Object) | Maps the specified key to the specified value in this hashtable. |
rehash() | Rehashes the contents of the hashtable into a hashtable with a larger capacity. |
remove(Object) | Removes the key (and its corresponding value) from this hashtable. |
size() | Returns the number of keys in this hashtable. |
toString() | Returns a rather long string representation of this hashtable. |