--- a/jdk/src/share/classes/javax/print/attribute/SetOfIntegerSyntax.java	Wed Jun 11 10:53:27 2014 +0400
+++ b/jdk/src/share/classes/javax/print/attribute/SetOfIntegerSyntax.java	Wed Jun 18 13:14:15 2014 -0700
@@ -540,7 +540,7 @@
      * <CODE>"<I>i</I>-<I>j</I>"</CODE> otherwise.
      */
     public String toString() {
-        StringBuffer result = new StringBuffer();
+        StringBuilder result = new StringBuilder();
         int n = members.length;
         for (int i = 0; i < n; i++) {
             if (i > 0) {