+++ /dev/null
-/* Dictionary.java -- an abstract (and essentially worthless)
- class which is Hashtable's superclass
- Copyright (C) 1998, 2001 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.util;
-
-/**
- * A Dictionary maps keys to values; <i>how</i> it does that is
- * implementation-specific.
- *
- * This is an abstract class which has really gone by the wayside.
- * People at Javasoft are probably embarrassed by it. At this point,
- * it might as well be an interface rather than a class, but it remains
- * this poor, laughable skeleton for the sake of backwards compatibility.
- * At any rate, this was what came before the <pre>Map</pre> interface
- * in the Collections framework.
- *
- * @author Jon Zeppieri
- * @author Eric Blake <ebb9@email.byu.edu>
- * @see Map
- * @see Hashtable
- * @since 1.0
- * @status updated to 1.4
- */
-public abstract class Dictionary extends Object
-{
- /**
- * Sole constructor (often called implicitly).
- */
- public Dictionary()
- {
- }
-
- /**
- * Returns an Enumeration of the values in this Dictionary.
- *
- * @return an Enumeration of the values
- * @see #keys()
- */
- public abstract Enumeration elements();
-
- /**
- * Returns the value associated with the supplied key, or null
- * if no such value exists. Since Dictionaries are not allowed null keys
- * or elements, a null result always means the key is not present.
- *
- * @param key the key to use to fetch the value
- * @return the mapped value
- * @throws NullPointerException if key is null
- * @see #put(Object, Object)
- */
- public abstract Object get(Object key);
-
- /**
- * Returns true when there are no elements in this Dictionary.
- *
- * @return <code>size() == 0</code>
- */
- public abstract boolean isEmpty();
-
- /**
- * Returns an Enumeration of the keys in this Dictionary
- *
- * @return an Enumeration of the keys
- * @see #elements()
- */
- public abstract Enumeration keys();
-
- /**
- * Inserts a new value into this Dictionary, located by the
- * supplied key. Dictionary does not support null keys or values, so
- * a null return can safely be interpreted as adding a new key.
- *
- * @param key the key which locates the value
- * @param value the value to put into the Dictionary
- * @return the previous value of the key, or null if there was none
- * @throws NullPointerException if key or value is null
- * @see #get(Object)
- */
- public abstract Object put(Object key, Object value);
-
- /**
- * Removes from the Dictionary the value located by the given key. A null
- * return safely means that the key was not mapped in the Dictionary.
- *
- * @param key the key used to locate the value to be removed
- * @return the value associated with the removed key
- * @throws NullPointerException if key is null
- */
- public abstract Object remove(Object key);
-
- /**
- * Returns the number of values currently in this Dictionary.
- *
- * @return the number of keys in the Dictionary
- */
- public abstract int size();
-}
projects / msp430-gcc.git / blobdiff