src/java.management/share/classes/javax/management/MBeanPermission.java

rev 10521 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>

@@ -453,15 +453,15 @@
         if (className == null)
             className = "-";
         name.append(className);
         if (member == null)
             member = "-";
-        name.append("#" + member);
+        name.append('#').append(member);
         if (objectName == null)
             name.append("[-]");
         else
-            name.append("[").append(objectName.getCanonicalName()).append("]");
+            name.append('[').append(objectName.getCanonicalName()).append(']');
 
         /* In the interests of legibility for Permission.toString(), we
            transform the empty string into "*".  */
         if (name.length() == 0)
             return "*";