--- a/jdk/src/share/classes/javax/swing/plaf/synth/SynthButtonUI.java	Thu Jun 26 15:58:06 2014 +0400
+++ b/jdk/src/share/classes/javax/swing/plaf/synth/SynthButtonUI.java	Thu Jun 26 15:59:57 2014 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -513,6 +513,13 @@
     /**
      * Returns the Icon used in calculating the
      * preferred/minimum/maximum size.
+     *
+     * @param b specifies the {@code AbstractButton}
+     * used when calculating the preferred/minimum/maximum
+     * size.
+     *
+     * @return the Icon used in calculating the
+     * preferred/minimum/maximum size.
      */
     protected Icon getSizingIcon(AbstractButton b) {
         Icon icon = getEnabledIcon(b, b.getIcon());

--- a/jdk/src/share/classes/javax/swing/plaf/synth/SynthGraphicsUtils.java	Thu Jun 26 15:58:06 2014 +0400
+++ b/jdk/src/share/classes/javax/swing/plaf/synth/SynthGraphicsUtils.java	Thu Jun 26 15:59:57 2014 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -137,6 +137,9 @@
      * @param iconR Rectangle to place icon bounds in
      * @param textR Rectangle to place text in
      * @param iconTextGap gap between icon and text
+     *
+     * @return by reference, the location to
+     * place the icon and text.
      */
     public String layoutText(SynthContext ss, FontMetrics fm,
                          String text, Icon icon, int hAlign,
@@ -166,6 +169,8 @@
      * @param font Font to use
      * @param metrics FontMetrics, may be ignored
      * @param text Text to get size of.
+     *
+     * @return the size of the passed in string.
      */
     public int computeStringWidth(SynthContext ss, Font font,
                                   FontMetrics metrics, String text) {
@@ -187,6 +192,8 @@
      * @param iconTextGap gap between icon and text
      * @param mnemonicIndex Index into text to render the mnemonic at, -1
      *        indicates no mnemonic.
+     *
+     * @return the minimum size needed to properly render an icon and text.
      */
     public Dimension getMinimumSize(SynthContext ss, Font font, String text,
                       Icon icon, int hAlign, int vAlign, int hTextPosition,
@@ -218,6 +225,8 @@
      * @param iconTextGap gap between icon and text
      * @param mnemonicIndex Index into text to render the mnemonic at, -1
      *        indicates no mnemonic.
+     *
+     * @return the maximum size needed to properly render an icon and text.
      */
     public Dimension getMaximumSize(SynthContext ss, Font font, String text,
                       Icon icon, int hAlign, int vAlign, int hTextPosition,
@@ -263,6 +272,8 @@
      * @param iconTextGap gap between icon and text
      * @param mnemonicIndex Index into text to render the mnemonic at, -1
      *        indicates no mnemonic.
+     *
+     * @return the preferred size needed to properly render an icon and text.
      */
     public Dimension getPreferredSize(SynthContext ss, Font font, String text,
                       Icon icon, int hAlign, int vAlign, int hTextPosition,

--- a/jdk/src/share/classes/javax/swing/plaf/synth/SynthSeparatorUI.java	Thu Jun 26 15:58:06 2014 +0400
+++ b/jdk/src/share/classes/javax/swing/plaf/synth/SynthSeparatorUI.java	Thu Jun 26 15:59:57 2014 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -78,6 +78,9 @@
     /**
      * Installs default setting. This method is called when a
      * {@code LookAndFeel} is installed.
+     *
+     * @param c specifies the {@code JSeparator} for the installed
+     * {@code LookAndFeel}.
      */
     public void installDefaults(JSeparator c) {
         updateStyle(c);
@@ -109,6 +112,9 @@
     /**
      * Uninstalls default setting. This method is called when a
      * {@code LookAndFeel} is uninstalled.
+     *
+     * @param c specifies the {@code JSeparator} for the (un)installed
+     * {@code LookAndFeel}.
      */
     public void uninstallDefaults(JSeparator c) {
         SynthContext context = getContext(c, ENABLED);
@@ -121,6 +127,9 @@
     /**
      * Installs listeners. This method is called when a
      * {@code LookAndFeel} is installed.
+     *
+     * @param c specifies the {@code JSeparator} for the installed
+     * {@code LookAndFeel}.
      */
     public void installListeners(JSeparator c) {
         c.addPropertyChangeListener(this);
@@ -129,6 +138,9 @@
     /**
      * Uninstalls listeners. This method is called when a
      * {@code LookAndFeel} is uninstalled.
+     *
+     * @param c specifies the {@code JSeparator} for the (un)installed
+     * {@code LookAndFeel}.
      */
     public void uninstallListeners(JSeparator c) {
         c.removePropertyChangeListener(this);