Examples of org.apache.commons.collections.map.DefaultedMap

org.apache.commons.collections.map.DefaultedMap

== "NULL" After the above code is executed the map is still empty.

Note that DefaultedMap is not synchronized and is not thread-safe. If you wish to use this map from multiple threads concurrently, you must use appropriate synchronization. The simplest approach is to wrap this map using {@link java.util.Collections#synchronizedMap(Map)}. This class may throw exceptions when accessed by concurrent threads without synchronization. @since Commons Collections 3.2 @version $Revision: 1.7 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $ @author Stephen Colebourne @author Rafael U.C. Afonso @see LazyMap

   * @return block data object
   */
  @SuppressWarnings("unchecked")
  public static BlockData fromInventory(Inventory inv)
  {
    Map<BlockData, Integer> count = new DefaultedMap(0);
    for (ItemStack item : inv) if (item != null)
    {
      BlockData bd = BlockData.fromItemStack(item);
      count.put(bd, item.getAmount() + count.get(bd));
    }


    Map.Entry<BlockData, Integer> best = null;
    for (Map.Entry<BlockData, Integer> entry : count.entrySet())
      if (best == null || entry.getValue() > best.getValue()) best = entry;


    return best == null ? null : best.getKey();
  }

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Examples of org.apache.commons.collections.map.DefaultedMap

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