8167117: insert missing final keywords

Reviewed-by: jlaskey, sundar

nashorn/samples/dynalink/MissingMethodExample.java

@@ -37,13 +37,13 @@ public class MissingMethodExample extends ArrayList
         implements MissingMethodHandler {
 
     @Override
-    public Object doesNotUnderstand(String name, Object... args) {
+    public Object doesNotUnderstand(final String name, final Object... args) {
         // This simple doesNotUnderstand just prints method name and args.
         // You can put useful method routing logic here.
         System.out.println("you called " + name);
         if (args.length != 0) {
             System.out.println("arguments are: ");
-            for (Object arg : args) {
+            for (final Object arg : args) {
                 System.out.println("    " + arg);
             }
         }