--- old/src/java.base/share/classes/java/security/cert/PKIXCertPathValidatorResult.java	2014-08-26 11:20:25.000000000 +0800
+++ new/src/java.base/share/classes/java/security/cert/PKIXCertPathValidatorResult.java	2014-08-26 11:20:25.000000000 +0800
@@ -150,10 +150,10 @@
     public String toString() {
         StringBuilder sb = new StringBuilder();
         sb.append("PKIXCertPathValidatorResult: [\n");
-        sb.append("  Trust Anchor: " + trustAnchor.toString() + "\n");
-        sb.append("  Policy Tree: " + String.valueOf(policyTree) + "\n");
-        sb.append("  Subject Public Key: " + subjectPublicKey + "\n");
-        sb.append("]");
+        sb.append("  Trust Anchor: ").append(trustAnchor).append('\n');
+        sb.append("  Policy Tree: ").append(policyTree).append('\n');
+        sb.append("  Subject Public Key: ").append(subjectPublicKey).append('\n');
+        sb.append(']');
         return sb.toString();
     }
 }