--- a/jdk/src/share/classes/java/beans/Introspector.java	Wed Jun 11 10:53:27 2014 +0400
+++ b/jdk/src/share/classes/java/beans/Introspector.java	Wed Jun 18 13:14:15 2014 -0700
@@ -1291,7 +1291,7 @@
      * Creates a key for a method in a method cache.
      */
     private static String makeQualifiedMethodName(String name, String[] params) {
-        StringBuffer sb = new StringBuffer(name);
+        StringBuilder sb = new StringBuilder(name);
         sb.append('=');
         for (int i = 0; i < params.length; i++) {
             sb.append(':');