src/jdk.jvmstat/share/classes/sun/tools/jstatd/RemoteHostImpl.java

rev 10947 : 8055723: Replace concat String to append in StringBuilder parameters

@@ -66,11 +66,11 @@
         RemoteVm stub = null;
         StringBuilder sb = new StringBuilder();
 
         sb.append("local://").append(lvmid).append("@localhost");
         if (mode != null) {
-            sb.append("?mode=" + mode);
+            sb.append("?mode=").append(mode);
         }
 
         String vmidStr = sb.toString();
 
         try {