pr review feedback

Author: clarax

hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java

@@ -576,7 +576,9 @@ public static double scale(double min, double max, double value) {
       if (max <= min || value <= min) {
         return 0;
       }
-      if ((max - min) == 0) return 0;
+      if ((max - min) == 0) {
+        return 0;
+      }
 
       return Math.max(0d, Math.min(1d, (value - min) / (max - min)));
     }

hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java

@@ -821,7 +821,8 @@ protected void regionMoved(int region, int oldServer, int newServer) {
      *
      * @param stats the costs
      * @return a scaled set of costs.
-     */ protected double costFromArray(double[] stats) {
+     */
+    protected double costFromArray(double[] stats) {
       double totalCost = 0;
       double total = getSum(stats);
 
@@ -830,7 +831,7 @@ protected void regionMoved(int region, int oldServer, int newServer) {
 
       for (int i = 0; i < stats.length; i++) {
         double n = stats[i];
-        double diff = Math.abs(mean - n) ;
+        double diff = Math.abs(mean - n);
         totalCost += diff;
       }