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copied!<p>If your keys are unique, use a <a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html" rel="nofollow"><code>Map</code></a>.</p> <pre><code>Map<String, String> mak = new HashMap<String, String>(); map.put("rId11","image3"); map.put("rId10","image2"); map.put("rId9","image1"); </code></pre> <p><strong>Reference:</strong></p> <ul> <li><a href="http://download.oracle.com/javase/tutorial/collections/interfaces/map.html" rel="nofollow">Java Tutorial > The Map Interface</a></li> </ul> <p>Otherwise, create a custom Object that holds key and value and create a <a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html" rel="nofollow"><code>List</code></a> (or <a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html" rel="nofollow"><code>Set</code></a>???) of these.</p> <pre><code>public class Entry { private final String id; private final String value; public Entry(String id, String value) { this.id = id; this.value = value; } public String getId() { return id; } public String getValue() { return value; } // also implement equals() and hashCode(), please } List<Entry> entries = new ArrayList<Entry>(); entries.add(new Entry("rId11","image3")); </code></pre> <p><strong>Reference:</strong></p> <ul> <li><a href="http://download.oracle.com/javase/tutorial/collections/interfaces/list.html" rel="nofollow">Java Tutorial > The List Interface</a></li> <li><a href="http://download.oracle.com/javase/tutorial/collections/interfaces/set.html" rel="nofollow">Java Tutorial > The Set Interface</a></li> </ul>

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