jdk/src/share/classes/java/awt/Component.java

@@ -7285,10 +7285,11 @@
         firePropertyChange(focusTraversalKeyPropertyNames[id], oldKeys,
                            keystrokes);
     }
     final Set<AWTKeyStroke> getFocusTraversalKeys_NoIDCheck(int id) {
         // Okay to return Set directly because it is an unmodifiable view
+        @SuppressWarnings("unchecked")
         Set<AWTKeyStroke> keystrokes = (focusTraversalKeys != null)
             ? focusTraversalKeys[id]
             : null;
 
         if (keystrokes != null) {