modules/javafx.controls/src/main/java/javafx/scene/control/Alert.java

*** 212,221 ****
--- 212,222 ----
       * default value set, and which therefore the developer must set, is the
       * {@link #contentTextProperty() content text} property (or alternatively,
       * the developer may call {@code alert.getDialogPane().setContent(Node)} if
       * they want a more complex alert). If the contentText (or content) properties
       * are not set, there is no useful information presented to end users.
+      * @param alertType an alert with the given AlertType
       */
      public Alert(@NamedArg("alertType") AlertType alertType) {
          this(alertType, "");
      }
  
*** 232,241 ****
--- 233,245 ----
       * <p>By passing in an AlertType, default values for the
       * {@link #titleProperty() title}, {@link #headerTextProperty() headerText},
       * and {@link #graphicProperty() graphic} properties are set. Once the Alert
       * is instantiated, developers are able to modify the values of the alert as
       * desired.
+      * @param alertType the alert type
+      * @param contentText the content text
+      * @param buttons the button types
       */
      public Alert(@NamedArg("alertType") AlertType alertType,
                   @NamedArg("contentText") String contentText,
                   @NamedArg("buttonTypes") ButtonType... buttons) {
          super();
*** 280,289 ****
--- 284,294 ----
       */
      // --- alertType
      private final ObjectProperty<AlertType> alertType = new SimpleObjectProperty<AlertType>(null) {
          final String[] styleClasses = new String[] { "information", "warning", "error", "confirmation" };
  
+         @Override
          protected void invalidated() {
              String newTitle = "";
              String newHeader = "";
  //            Node newGraphic = null;
              String styleClass = "";
*** 364,373 ****
--- 369,380 ----
       *
       * <p>Readers should refer to the {@link ButtonType} class documentation for more details,
       * but at a high level, each ButtonType instance is converted to
       * a Node (although most commonly a {@link Button}) via the (overridable)
       * {@link DialogPane#createButton(ButtonType)} method on {@link DialogPane}.
+      * @return an {@link ObservableList} of all {@link ButtonType} instances that
+      * are currently set inside this Alert instance
       */
      // --- buttonTypes
      public final ObservableList<ButtonType> getButtonTypes() {
          return getDialogPane().getButtonTypes();
      }