src/share/classes/javax/imageio/spi/PartiallyOrderedSet.java

*** 168,178 ****
      public PartialOrderIterator(Iterator<DigraphNode<E>> iter) {
          // Initialize scratch in-degree values, zero list
          while (iter.hasNext()) {
              DigraphNode<E> node = iter.next();
              int inDegree = node.getInDegree();
!             inDegrees.put(node, new Integer(inDegree));
  
              // Add nodes with zero in-degree to the zero list
              if (inDegree == 0) {
                  zeroList.add(node);
              }
--- 168,178 ----
      public PartialOrderIterator(Iterator<DigraphNode<E>> iter) {
          // Initialize scratch in-degree values, zero list
          while (iter.hasNext()) {
              DigraphNode<E> node = iter.next();
              int inDegree = node.getInDegree();
!             inDegrees.put(node, inDegree);
  
              // Add nodes with zero in-degree to the zero list
              if (inDegree == 0) {
                  zeroList.add(node);
              }
*** 189,199 ****
          // For each out node of the output node, decrement its in-degree
          Iterator<DigraphNode<E>> outNodes = first.getOutNodes();
          while (outNodes.hasNext()) {
              DigraphNode<E> node = outNodes.next();
              int inDegree = inDegrees.get(node).intValue() - 1;
!             inDegrees.put(node, new Integer(inDegree));
  
              // If the in-degree has fallen to 0, place the node on the list
              if (inDegree == 0) {
                  zeroList.add(node);
              }
--- 189,199 ----
          // For each out node of the output node, decrement its in-degree
          Iterator<DigraphNode<E>> outNodes = first.getOutNodes();
          while (outNodes.hasNext()) {
              DigraphNode<E> node = outNodes.next();
              int inDegree = inDegrees.get(node).intValue() - 1;
!             inDegrees.put(node, inDegree);
  
              // If the in-degree has fallen to 0, place the node on the list
              if (inDegree == 0) {
                  zeroList.add(node);
              }