Examples of java.util.TreeMap.keySet()

java.util.TreeMap.keySet()
Returns a {@link Set} view of the keys contained in this map.The set's iterator returns the keys in ascending order. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa. If the map is modified while an iteration over the set is in progress (except through the iterator's own remove operation), the results of the iteration are undefined. The set supports element removal, which removes the corresponding mapping from the map, via the Iterator.remove, Set.remove, removeAll, retainAll, and clear operations. It does not support the add or addAll operations.

         ret.put(keys[i], val);
      }
      // and now build the output string ...
      StringBuffer buf = new StringBuffer(1024);
      buf.append("<descDiff>\n");
      Iterator iter = ret.keySet().iterator();
      while (iter.hasNext()) {
         String name = (String)iter.next();
         buf.append("\n\n\n  <!-- column ").append(name);   
         SqlColumn[] val = (SqlColumn[])ret.get(name);
         if (val[0] == null) { // new column

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               if (files[i].exists() && files[i].canRead() && files[i].isFile())
                  map.put(new Long(postfix), files[i]);
            }
         }
         File[] ret = new File[map.size()];
         Iterator iter = map.keySet().iterator();
         int i = 0;
         while (iter.hasNext()) {
            ret[i] = (File)map.get(iter.next());
            i++;
         }

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    oReader.close();
    oLines.close();
    oBuffer.close();


    Iterator oKeys = oOpen.keySet().iterator();


    while (oKeys.hasNext()) {
      sEntity = (String) oKeys.next();
      oCount = (Integer) oOpen.get(sEntity);

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      }


      oSortedMap.put(((Element)oNodeList.item(i)).getElementsByTagName("metablock").item(0).getFirstChild().getNodeValue() + sPaddedID, oNodeList.item(i));
    } // next (i)


    Iterator oIterator = oSortedMap.keySet().iterator();
    while (oIterator.hasNext()) {
      Node oAux = (Node) oSortedMap.get(oIterator.next());
      oLinkVctr.add(new Block(oAux));
      if (DebugFile.trace)
        DebugFile.writeln("Inserted " + ((Element)oAux).getElementsByTagName("metablock").item(0).getFirstChild().getNodeValue() + (new Integer(oAux.getAttributes().getNamedItem("id").getNodeValue())).intValue());

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        TreeMap plugins = PreferencesDialog.getPluginPanels();
        if (plugins.size() > 0) {
            pluginsNode = new DefaultMutableTreeNode(resources
                    .getString("pluginPreferences"));
            i = plugins.keySet().iterator();
            while (i.hasNext()) {
                pluginsNode.add(new DefaultMutableTreeNode((String) i.next()));
            }
            root.add(pluginsNode);
        }

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        }
        String jid = buddy.getUser();


       // synchronized (buddyGroups) {
            TreeMap buddies = ((TreeMap) buddyGroups.get(group));
            Iterator i = buddies.keySet().iterator();
            while (i.hasNext()) {
                String key = (String) i.next();
                if (buddies.get(key).equals(jid)) {
                    ((TreeMap) buddyGroups.get(group)).remove(key);
                    break;

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  void printMap(PrintWriter out, Map m) throws IOException {
    // Sorted map
    final TreeMap ms = new TreeMap(m);


    out.println("<table>");
    for(Iterator it = ms.keySet().iterator(); it.hasNext();) {
      final Object key = it.next();
      final Object val = ms.get(key);


      out.println("<tr>");

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              int i = 0;
              DefaultMutableTreeNode selNode = null;


              for(Iterator it = categories.keySet().iterator(); it.hasNext();) {
                String category = (String)it.next();
                Set    set      = (Set)categories.get(category);


                final DefaultMutableTreeNode categoryNode =
                  new CategoryNode(category);

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        }
      }
    }


    Vector v = new Vector();
    for(Iterator it = map.keySet().iterator(); it.hasNext(); ) {
      Long key      = (Long)it.next();
      BX   bx       = (BX)map.get(key);
      v.addElement(bx);
    }
    return v;

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    }


    map.remove(new Long(b.getBundleId()));


    Vector v = new Vector();
    for(Iterator it = map.keySet().iterator(); it.hasNext(); ) {
      Long key      = (Long)it.next();
      BX   bx       = (BX)map.get(key);
      v.addElement(bx);
    }

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