Examples of java.util.Map.keySet()

java.util.Map.keySet()
Returns a {@link Set} view of the keys contained in this map.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. @return a set view of the keys contained in this map


    }else{


      Map  m = (Map)obj;


      Iterator  it = m.keySet().iterator();


      while( it.hasNext()){


        String  key = (String)it.next();

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                }
          }
          
          System.out.println();
          
        it = alloc_map.keySet().iterator();
          
          while( it.hasNext()){
            
            Byte    key   = (Byte)it.next();
            myInteger  count   = (myInteger)alloc_map.get( key );

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      for (Object object : availableDrives) {
        File f = (File) object;
        System.out.println(f.getAbsolutePath());


        Map driveInfo = AEWin32AccessInterface.getDriveInfo(f.getPath().charAt(0));
        for (Iterator iter = driveInfo.keySet().iterator(); iter.hasNext();) {
          Object key = (Object) iter.next();
          Object val = driveInfo.get(key);
          System.out.println(key + ": " + val);
        }

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            case PUT_KEY_VALUE:
               assertEquals(mod.getValue(), loader.get(fqn).get(mod.getKey()));
               break;
            case PUT_DATA:
               Map map = mod.getData();
               for (Object key : map.keySet())
               {
                  assertEquals(map.get(key), loader.get(fqn).get(key));
               }
               break;
            case REMOVE_KEY_VALUE:

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         assertEquals(c, n.get("K"));
      }
      m.clear();


      m.put(a, a);
      testCollectionRemove(m.keySet());
      m.put(a, a);
      testCollectionRemove(m.values());
      m.put(a, a);
      testCollectionRemove(m.entrySet());
   }

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            case PUT_KEY_VALUE:
               assertEquals(mod.getValue(), loader.get(fqn).get(mod.getKey()));
               break;
            case PUT_DATA:
               Map map = mod.getData();
               for (Object key : map.keySet())
               {
                  assertEquals(map.get(key), loader.get(fqn).get(key));
               }
               break;
            case REMOVE_KEY_VALUE:

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            Customer cst = ( Customer ) s.load( Customer.class, getUserId(  ) );


            /* Order + Items*/
            Order    order = new Order( cst );
            Map      cart = getCart(  );
            Iterator it = cart.keySet(  ).iterator(  );


            while ( it.hasNext(  ) )
            {
                String  itemId = ( String ) it.next(  );
                Item    item = ( Item ) s.load( Item.class, itemId );

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                        // thus giving the chart nice plunge to zero indicating downtime
                        //
                        // and lets not bother about rotating stats;
                        // regular stats collection cycle will do it


                        for (Iterator it = stats.keySet().iterator(); it.hasNext();) {
                            List l = (List) stats.get(it.next());
                            if (l.size() > 0) {
                                XYDataItem xy = (XYDataItem) l.get(l.size() - 1);
                                l.add(new XYDataItem(xy.getX().longValue() + 1, 0));
                                l.add(new XYDataItem(System.currentTimeMillis(), 0));

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      DynaActionForm dyna = (DynaActionForm)form;
            
      Hashtable ht = new Hashtable();      
      Map test_map = request.getParameterMap();
      Set test_ks = test_map.keySet();
      
      ModuleFieldRightMatrix mfrm = new ModuleFieldRightMatrix();      
          
      Iterator keys = test_ks.iterator();
      Vector vkey = new Vector();

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        }else
        {
          smodule = tmodule;
          srecord = tmodule;
        }  
        Set htkeyset = test_map.keySet();
        Iterator fieldset = htkeyset.iterator();
        while (fieldset.hasNext())
        {
          String temp = fieldset.next().toString();
          if (temp.indexOf("_") != -1)

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