src/share/classes/javax/swing/JComponent.java

*** 2109,2118 ****
--- 2109,2119 ----
       *          are pushed to the <code>KeyboardManager</code>
       */
      private void registerWithKeyboardManager(boolean onlyIfNew) {
          InputMap inputMap = getInputMap(WHEN_IN_FOCUSED_WINDOW, false);
          KeyStroke[] strokes;
+         @SuppressWarnings("unchecked")
          Hashtable<KeyStroke, KeyStroke> registered =
                  (Hashtable<KeyStroke, KeyStroke>)getClientProperty
                                  (WHEN_IN_FOCUSED_WINDOW_BINDINGS);
  
          if (inputMap != null) {
*** 2162,2171 ****
--- 2163,2173 ----
      /**
       * Unregisters all the previously registered
       * <code>WHEN_IN_FOCUSED_WINDOW</code> <code>KeyStroke</code> bindings.
       */
      private void unregisterWithKeyboardManager() {
+         @SuppressWarnings("unchecked")
          Hashtable<KeyStroke, KeyStroke> registered =
                  (Hashtable<KeyStroke, KeyStroke>)getClientProperty
                                  (WHEN_IN_FOCUSED_WINDOW_BINDINGS);
  
          if (registered != null && registered.size() > 0) {
*** 4113,4122 ****
--- 4115,4126 ----
       * @see LookAndFeel#installProperty
       * @param propertyName String containing the name of the property
       * @param value Object containing the property value
       */
      void setUIProperty(String propertyName, Object value) {
+         @SuppressWarnings("unchecked")
+         Set<AWTKeyStroke> strokeSet = (Set<AWTKeyStroke>) value;
          if (propertyName == "opaque") {
              if (!getFlag(OPAQUE_SET)) {
                  setOpaque(((Boolean)value).booleanValue());
                  setFlag(OPAQUE_SET, false);
              }
*** 4127,4143 ****
              }
          } else if (propertyName == "focusTraversalKeysForward") {
              if (!getFlag(FOCUS_TRAVERSAL_KEYS_FORWARD_SET)) {
                  super.setFocusTraversalKeys(KeyboardFocusManager.
                                              FORWARD_TRAVERSAL_KEYS,
!                                             (Set<AWTKeyStroke>)value);
              }
          } else if (propertyName == "focusTraversalKeysBackward") {
              if (!getFlag(FOCUS_TRAVERSAL_KEYS_BACKWARD_SET)) {
                  super.setFocusTraversalKeys(KeyboardFocusManager.
                                              BACKWARD_TRAVERSAL_KEYS,
!                                             (Set<AWTKeyStroke>)value);
              }
          } else {
              throw new IllegalArgumentException("property \""+
                                                 propertyName+ "\" cannot be set using this method");
          }
--- 4131,4147 ----
              }
          } else if (propertyName == "focusTraversalKeysForward") {
              if (!getFlag(FOCUS_TRAVERSAL_KEYS_FORWARD_SET)) {
                  super.setFocusTraversalKeys(KeyboardFocusManager.
                                              FORWARD_TRAVERSAL_KEYS,
!                                             strokeSet);
              }
          } else if (propertyName == "focusTraversalKeysBackward") {
              if (!getFlag(FOCUS_TRAVERSAL_KEYS_BACKWARD_SET)) {
                  super.setFocusTraversalKeys(KeyboardFocusManager.
                                              BACKWARD_TRAVERSAL_KEYS,
!                                             strokeSet);
              }
          } else {
              throw new IllegalArgumentException("property \""+
                                                 propertyName+ "\" cannot be set using this method");
          }
*** 4711,4720 ****
--- 4715,4725 ----
       * @since 1.3
       *
       * @see #getVetoableChangeListeners
       * @see #getAncestorListeners
       */
+     @SuppressWarnings("unchecked") // Casts to (T[])
      public <T extends EventListener> T[] getListeners(Class<T> listenerType) {
          T[] result;
          if (listenerType == AncestorListener.class) {
              // AncestorListeners are handled by the AncestorNotifier
              result = (T[])getAncestorListeners();