--- old/src/java.desktop/share/classes/javax/swing/UIManager.java	2018-04-10 16:03:39.577209999 +0530
+++ new/src/java.desktop/share/classes/javax/swing/UIManager.java	2018-04-10 16:03:39.293209999 +0530
@@ -615,6 +615,7 @@
      *          <code>lnf.isSupportedLookAndFeel()</code> is false
      * @throws ClassCastException if {@code className} does not identify
      *         a class that extends {@code LookAndFeel}
+     * @throws NullPointerException if {@code className} is {@code null}
      */
     @SuppressWarnings("deprecation")
     public static void setLookAndFeel(String className)
