--- old/src/java.base/share/classes/sun/security/provider/certpath/SunCertPathBuilderParameters.java	2014-08-27 09:59:42.000000000 +0800
+++ new/src/java.base/share/classes/sun/security/provider/certpath/SunCertPathBuilderParameters.java	2014-08-27 09:59:42.000000000 +0800
@@ -124,7 +124,7 @@
         StringBuilder sb = new StringBuilder();
         sb.append("[\n");
         sb.append(super.toString());
-        sb.append("  Build Forward Flag: " + String.valueOf(buildForward) + "\n");
+        sb.append("  Build Forward Flag: ").append(buildForward).append('\n');
         sb.append("]\n");
         return sb.toString();
     }