--- old/src/java.base/share/classes/java/security/cert/TrustAnchor.java	2014-08-26 11:20:33.000000000 +0800
+++ new/src/java.base/share/classes/java/security/cert/TrustAnchor.java	2014-08-26 11:20:32.000000000 +0800
@@ -320,14 +320,18 @@
         StringBuilder sb = new StringBuilder();
         sb.append("[\n");
         if (pubKey != null) {
-            sb.append("  Trusted CA Public Key: " + pubKey.toString() + "\n");
-            sb.append("  Trusted CA Issuer Name: "
-                + String.valueOf(caName) + "\n");
+            sb.append("  Trusted CA Public Key: ").append(pubKey)
+                    .append('\n');
+            sb.append("  Trusted CA Issuer Name: ")
+                    .append(caName).append('\n');
         } else {
-            sb.append("  Trusted CA cert: " + trustedCert.toString() + "\n");
+            sb.append("  Trusted CA cert: ").append(trustedCert)
+                    .append('\n');
+        }
+        if (nc != null) {
+            sb.append("  Name Constraints: ").append(nc)
+                    .append('\n');
         }
-        if (nc != null)
-            sb.append("  Name Constraints: " + nc.toString() + "\n");
         return sb.toString();
     }
 }