--- old/src/java.base/share/classes/sun/security/provider/certpath/OCSPResponse.java	2014-08-27 09:59:40.000000000 +0800
+++ new/src/java.base/share/classes/sun/security/provider/certpath/OCSPResponse.java	2014-08-27 09:59:39.000000000 +0800
@@ -812,14 +812,14 @@
             StringBuilder sb = new StringBuilder();
             sb.append("SingleResponse:  \n");
             sb.append(certId);
-            sb.append("\nCertStatus: "+ certStatus + "\n");
+            sb.append("\nCertStatus: ").append(certStatus).append('\n');
             if (certStatus == CertStatus.REVOKED) {
-                sb.append("revocationTime is " + revocationTime + "\n");
-                sb.append("revocationReason is " + revocationReason + "\n");
+                sb.append("revocationTime is ").append(revocationTime).append('\n');
+                sb.append("revocationReason is ").append(revocationReason).append('\n');
             }
-            sb.append("thisUpdate is " + thisUpdate + "\n");
+            sb.append("thisUpdate is ").append(thisUpdate).append('\n');
             if (nextUpdate != null) {
-                sb.append("nextUpdate is " + nextUpdate + "\n");
+                sb.append("nextUpdate is ").append(nextUpdate).append('\n');
             }
             return sb.toString();
         }