--- old/src/java.base/share/classes/java/security/cert/PKIXCertPathBuilderResult.java	2014-08-21 20:45:11.000000000 +0800
+++ new/src/java.base/share/classes/java/security/cert/PKIXCertPathBuilderResult.java	2014-08-21 20:45:11.000000000 +0800
@@ -109,11 +109,13 @@
     public String toString() {
         StringBuilder sb = new StringBuilder();
         sb.append("PKIXCertPathBuilderResult: [\n");
-        sb.append("  Certification Path: " + certPath + "\n");
-        sb.append("  Trust Anchor: " + getTrustAnchor().toString() + "\n");
-        sb.append("  Policy Tree: " + String.valueOf(getPolicyTree()) + "\n");
-        sb.append("  Subject Public Key: " + getPublicKey() + "\n");
-        sb.append("]");
+        sb.append("  Certification Path: ").append(certPath).append('\n');
+        sb.append("  Trust Anchor: ").append(getTrustAnchor().toString())
+                .append('\n');
+        sb.append("  Policy Tree: ").append(String.valueOf(getPolicyTree()))
+                .append('\n');
+        sb.append("  Subject Public Key: ").append(getPublicKey()).append('\n');
+        sb.append(']');
         return sb.toString();
     }
 }