hanm commented on a change in pull request #1049: ZOOKEEPER-3475 Enable 
Checkstyle configuration on zookeeper-server
URL: https://github.com/apache/zookeeper/pull/1049#discussion_r313032932
 
 

 ##########
 File path: 
zookeeper-server/src/main/java/org/apache/zookeeper/server/NIOServerCnxnFactory.java
 ##########
 @@ -962,14 +979,14 @@ public void dumpConnections(PrintWriter pwriter) {
     @Override
     public void resetAllConnectionStats() {
         // No need to synchronize since cnxns is backed by a ConcurrentHashMap
-        for(ServerCnxn c : cnxns){
+        for (ServerCnxn c : cnxns) {
             c.resetStats();
         }
     }
 
     @Override
     public Iterable<Map<String, Object>> getAllConnectionInfo(boolean brief) {
-        HashSet<Map<String,Object>> info = new HashSet<Map<String,Object>>();
+        HashSet<Map<String, Object>> info = new HashSet<Map<String, Object>>();
 
 Review comment:
   I'd also prefer limiting the scope of this change to be mechanical changes 
that's only appertain to style and formatting.
   
   @TisonKun since you are on this, do you mind to create a couple of JIRAs to 
follow up the issues around log formatting, interface declaration and other 
nits that @enixon pointed out? 

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