--- old/src/share/classes/javax/swing/JSlider.java	2014-08-07 11:49:42.000000000 -0700
+++ new/src/share/classes/javax/swing/JSlider.java	2014-08-07 11:49:42.000000000 -0700
@@ -138,7 +138,7 @@
     /**
      * {@code Dictionary} of what labels to draw at which values
      */
-    private Dictionary<Integer, JComponent> labelTable;
+    private Dictionary<Integer, ? extends JComponent> labelTable;
 
 
     /**
@@ -773,7 +773,7 @@
         }
 
         // Check that there is a label with such image
-        Enumeration<JComponent> elements = labelTable.elements();
+        Enumeration<? extends JComponent> elements = labelTable.elements();
 
         while (elements.hasMoreElements()) {
             JComponent component = elements.nextElement();
@@ -797,7 +797,7 @@
      * @return the <code>Dictionary</code> containing labels and
      *    where to draw them
      */
-    public Dictionary<Integer, JComponent> getLabelTable() {
+    public Dictionary<Integer, ? extends JComponent> getLabelTable() {
 /*
         if ( labelTable == null && getMajorTickSpacing() > 0 ) {
             setLabelTable( createStandardLabels( getMajorTickSpacing() ) );
@@ -830,8 +830,8 @@
      *    attribute: visualUpdate true
      *  description: Specifies what labels will be drawn for any given value.
      */
-    public void setLabelTable( Dictionary<Integer, JComponent> labels ) {
-        Dictionary<Integer, JComponent> oldTable = labelTable;
+    public void setLabelTable( Dictionary<Integer, ? extends JComponent> labels ) {
+        Dictionary<Integer, ? extends JComponent> oldTable = labelTable;
         labelTable = labels;
         updateLabelUIs();
         firePropertyChange("labelTable", oldTable, labelTable );
@@ -852,7 +852,7 @@
      * @see JComponent#updateUI
      */
     protected void updateLabelUIs() {
-        Dictionary<Integer, JComponent> labelTable = getLabelTable();
+        Dictionary<Integer, ? extends JComponent> labelTable = getLabelTable();
 
         if (labelTable == null) {
             return;
@@ -866,9 +866,9 @@
     }
 
     private void updateLabelSizes() {
-        Dictionary<Integer, JComponent> labelTable = getLabelTable();
+        Dictionary<Integer, ? extends JComponent> labelTable = getLabelTable();
         if (labelTable != null) {
-            Enumeration<JComponent> labels = labelTable.elements();
+            Enumeration<? extends JComponent> labels = labelTable.elements();
             while (labels.hasMoreElements()) {
                 JComponent component = labels.nextElement();
                 component.setSize(component.getPreferredSize());
@@ -1017,7 +1017,7 @@
 
         SmartHashtable table = new SmartHashtable( increment, start );
 
-        Dictionary<Integer, JComponent> labelTable = getLabelTable();
+        Dictionary<Integer, ? extends JComponent> labelTable = getLabelTable();
 
         if (labelTable != null && (labelTable instanceof PropertyChangeListener)) {
             removePropertyChangeListener((PropertyChangeListener) labelTable);
--- old/src/share/classes/javax/swing/JTable.java	2014-08-07 11:49:43.000000000 -0700
+++ new/src/share/classes/javax/swing/JTable.java	2014-08-07 11:49:43.000000000 -0700
@@ -669,7 +669,7 @@
      * @param rowData           the data for the new table
      * @param columnNames       names of each column
      */
-    public JTable(Vector<Vector<Object>> rowData, Vector<Object> columnNames) {
+    public JTable(Vector<Vector<Object>> rowData, Vector<?> columnNames) {
         this(new DefaultTableModel(rowData, columnNames));
     }
 
--- old/src/share/classes/javax/swing/plaf/basic/BasicSliderUI.java	2014-08-07 11:49:44.000000000 -0700
+++ new/src/share/classes/javax/swing/plaf/basic/BasicSliderUI.java	2014-08-07 11:49:43.000000000 -0700
@@ -397,10 +397,10 @@
     protected boolean labelsHaveSameBaselines() {
         if (!checkedLabelBaselines) {
             checkedLabelBaselines = true;
-            Dictionary<?, JComponent> dictionary = slider.getLabelTable();
+            Dictionary<Integer, ? extends JComponent> dictionary = slider.getLabelTable();
             if (dictionary != null) {
                 sameLabelBaselines = true;
-                Enumeration<JComponent> elements = dictionary.elements();
+                Enumeration<? extends JComponent> elements = dictionary.elements();
                 int baseline = -1;
                 while (elements.hasMoreElements()) {
                     JComponent label = elements.nextElement();
@@ -753,7 +753,7 @@
     }
 
     protected int getWidthOfWidestLabel() {
-        Dictionary<?, JComponent> dictionary = slider.getLabelTable();
+        Dictionary<?, ? extends JComponent> dictionary = slider.getLabelTable();
         int widest = 0;
         if ( dictionary != null ) {
             Enumeration<?> keys = dictionary.keys();
@@ -766,7 +766,7 @@
     }
 
     protected int getHeightOfTallestLabel() {
-        Dictionary<?, JComponent> dictionary = slider.getLabelTable();
+        Dictionary<?, ? extends JComponent> dictionary = slider.getLabelTable();
         int tallest = 0;
         if ( dictionary != null ) {
             Enumeration<?> keys = dictionary.keys();
@@ -871,7 +871,7 @@
      * @since 1.6
      */
     protected Integer getLowestValue() {
-        Dictionary<Integer, JComponent> dictionary = slider.getLabelTable();
+        Dictionary<Integer, ? extends JComponent> dictionary = slider.getLabelTable();
 
         if (dictionary == null) {
             return null;
@@ -1121,7 +1121,7 @@
     public void paintLabels( Graphics g ) {
         Rectangle labelBounds = labelRect;
 
-        Dictionary<Integer, JComponent> dictionary = slider.getLabelTable();
+        Dictionary<Integer, ? extends JComponent> dictionary = slider.getLabelTable();
         if ( dictionary != null ) {
             Enumeration<Integer> keys = dictionary.keys();
             int minValue = slider.getMinimum();
--- old/src/share/classes/javax/swing/plaf/synth/SynthSliderUI.java	2014-08-07 11:49:45.000000000 -0700
+++ new/src/share/classes/javax/swing/plaf/synth/SynthSliderUI.java	2014-08-07 11:49:44.000000000 -0700
@@ -392,7 +392,7 @@
                 trackRect.x = insetCache.left;
                 trackRect.width = contentRect.width;
 
-                Dictionary<Integer, JComponent> dictionary = slider.getLabelTable();
+                Dictionary<Integer, ? extends JComponent> dictionary = slider.getLabelTable();
                 if (dictionary != null) {
                     int minValue = slider.getMinimum();
                     int maxValue = slider.getMaximum();
--- old/src/share/classes/javax/swing/table/DefaultTableModel.java	2014-08-07 11:49:45.000000000 -0700
+++ new/src/share/classes/javax/swing/table/DefaultTableModel.java	2014-08-07 11:49:45.000000000 -0700
@@ -73,7 +73,13 @@
     protected Vector<Vector<Object>>    dataVector;
 
     /** The <code>Vector</code> of column identifiers. */
-    protected Vector<Object>    columnIdentifiers;
+    @SuppressWarnings("rawtypes")
+    protected Vector columnIdentifiers;
+    // Unfortunately, for greater source compatibility this Vector is
+    // being left raw. The Vector is read as well as written so using
+    // Vector<?> is not suitable and using Vector<Object> (without
+    // adding copying of input Vectors), would disallow existing code
+    // that used, say, a Vector<String> as an input parameter.
 
 //
 // Constructors
@@ -156,7 +162,7 @@
      * @see #getDataVector
      * @see #setDataVector
      */
-    public DefaultTableModel(Vector<Vector<Object>> data, Vector<Object> columnNames) {
+    public DefaultTableModel(Vector<Vector<Object>> data, Vector<?> columnNames) {
         setDataVector(data, columnNames);
     }
 
@@ -220,7 +226,7 @@
      * @see #getDataVector
      */
     public void setDataVector(Vector<Vector<Object>> dataVector,
-                              Vector<Object> columnIdentifiers) {
+                              Vector<?> columnIdentifiers) {
         this.dataVector = nonNullVector(dataVector);
         this.columnIdentifiers = nonNullVector(columnIdentifiers);
         justifyRows(0, getRowCount());
@@ -484,7 +490,7 @@
      *                          to zero columns
      * @see #setNumRows
      */
-    public void setColumnIdentifiers(Vector<Object> columnIdentifiers) {
+    public void setColumnIdentifiers(Vector<?> columnIdentifiers) {
         setDataVector(dataVector, columnIdentifiers);
     }
 
@@ -550,6 +556,7 @@
      * @param   columnName the identifier of the column being added
      * @param   columnData       optional data of the column being added
      */
+    @SuppressWarnings("unchecked") // Adding element to raw columnIdentifiers
     public void addColumn(Object columnName, Vector<Object> columnData) {
         columnIdentifiers.addElement(columnName);
         if (columnData != null) {
@@ -652,8 +659,7 @@
      *               column was given
      */
     public Object getValueAt(int row, int column) {
-        Vector<Object> rowVector = dataVector.elementAt(row);
-        return rowVector.elementAt(column);
+        return dataVector.elementAt(row).elementAt(column);
     }
 
     /**
@@ -668,8 +674,7 @@
      *               column was given
      */
     public void setValueAt(Object aValue, int row, int column) {
-        Vector<Object> rowVector = dataVector.elementAt(row);
-        rowVector.setElementAt(aValue, column);
+        dataVector.elementAt(row).setElementAt(aValue, column);
         fireTableCellUpdated(row, column);
     }
 
--- old/src/share/classes/javax/swing/tree/DefaultMutableTreeNode.java	2014-08-07 11:49:47.000000000 -0700
+++ new/src/share/classes/javax/swing/tree/DefaultMutableTreeNode.java	2014-08-07 11:49:47.000000000 -0700
@@ -1308,7 +1308,7 @@
     }
 
     private final class PreorderEnumeration implements Enumeration<TreeNode> {
-        private final Stack<Enumeration<TreeNode>> stack = new Stack<>();
+        private final Stack<Enumeration<? extends TreeNode>> stack = new Stack<>();
 
         public PreorderEnumeration(TreeNode rootNode) {
             super();
@@ -1322,10 +1322,9 @@
         }
 
         public TreeNode nextElement() {
-            Enumeration<TreeNode> enumer = stack.peek();
+            Enumeration<? extends TreeNode> enumer = stack.peek();
             TreeNode    node = enumer.nextElement();
-            @SuppressWarnings("unchecked")
-            Enumeration<TreeNode> children = node.children();
+            Enumeration<? extends TreeNode> children = node.children();
 
             if (!enumer.hasMoreElements()) {
                 stack.pop();
@@ -1342,7 +1341,7 @@
 
     final class PostorderEnumeration implements Enumeration<TreeNode> {
         protected TreeNode root;
-        protected Enumeration<TreeNode> children;
+        protected Enumeration<? extends TreeNode> children;
         protected Enumeration<TreeNode> subtree;
 
         public PostorderEnumeration(TreeNode rootNode) {
--- old/src/share/classes/javax/swing/tree/TreeNode.java	2014-08-07 11:49:51.000000000 -0700
+++ new/src/share/classes/javax/swing/tree/TreeNode.java	2014-08-07 11:49:50.000000000 -0700
@@ -99,5 +99,5 @@
      *
      * @return              the children of the receiver as an {@code Enumeration}
      */
-    Enumeration<TreeNode> children();
+    Enumeration<? extends TreeNode> children();
 }