src/share/classes/javax/swing/plaf/basic/BasicComboBoxEditor.java

@@ -98,11 +98,11 @@
                 return oldValue;
             } else {
                 // Must take the value from the editor and get the value and cast it to the new type.
                 Class<?> cls = oldValue.getClass();
                 try {
-                    Method method = MethodUtil.getMethod(cls, "valueOf", new Class[]{String.class});
+                    Method method = MethodUtil.getMethod(cls, "valueOf", new Class<?>[]{String.class});
                     newValue = MethodUtil.invoke(method, oldValue, new Object[] { editor.getText()});
                 } catch (Exception ex) {
                     // Fail silently and return the newValue (a String object)
                 }
             }