Lines Matching defs:keys
30 * class, such as <code>Hashtable</code>, which maps keys to values.
37 * implementations of this class to decide if two keys are the same.
59 * Returns the number of entries (distinct keys) in this dictionary.
61 * @return the number of keys in this dictionary.
66 * Tests if this dictionary maps no keys to value. The general contract
70 * @return <code>true</code> if this dictionary maps no keys to values;
76 * Returns an enumeration of the keys in this dictionary. The general
77 * contract for the keys method is that an <tt>Enumeration</tt> object
78 * is returned that will generate all the keys for which this dictionary
81 * @return an enumeration of the keys in this dictionary.
85 abstract public Enumeration<K> keys();
94 * @see java.util.Dictionary#keys()