--- old/src/java.base/share/classes/com/sun/crypto/provider/GCMParameters.java	2014-08-27 22:07:53.000000000 +0800
+++ new/src/java.base/share/classes/com/sun/crypto/provider/GCMParameters.java	2014-08-27 22:07:53.000000000 +0800
@@ -136,11 +136,11 @@
     protected String engineToString() {
         String LINE_SEP = System.getProperty("line.separator");
         HexDumpEncoder encoder = new HexDumpEncoder();
-        StringBuilder sb
-            = new StringBuilder(LINE_SEP + "    iv:" + LINE_SEP + "["
-                + encoder.encodeBuffer(iv) + "]");
-
-        sb.append(LINE_SEP + "tLen(bits):" + LINE_SEP + tLen*8 + LINE_SEP);
+        StringBuilder sb = new StringBuilder();
+        sb.append(LINE_SEP).append("    iv:").append(LINE_SEP).append('[')
+                .append(encoder.encodeBuffer(iv)).append(']').append(LINE_SEP)
+                .append("tLen(bits):").append(LINE_SEP).append(tLen * 8)
+                .append(LINE_SEP);
         return sb.toString();
     }
 }