--- old/src/java.naming/share/classes/javax/naming/Reference.java	2014-08-27 22:09:21.000000000 +0800
+++ new/src/java.naming/share/classes/javax/naming/Reference.java	2014-08-27 22:09:21.000000000 +0800
@@ -364,8 +364,9 @@
       * @return The non-null string representation of this reference.
       */
     public String toString() {
-        StringBuilder sb = new StringBuilder("Reference Class Name: " +
-                                             className + "\n");
+        StringBuilder sb = new StringBuilder();
+        sb.append("Reference Class Name: ");
+        sb.append(className).append('\n');
         int len = addrs.size();
         for (int i = 0; i < len; i++)
             sb.append(get(i).toString());