Add Solution

xdongyan · xdongyan · commit f781d8d76ca6 · 2017-08-08T13:00:54.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_451.java b/src/main/java/com/fishercoder/solutions/_451.java
@@ -47,9 +47,9 @@ public class _451 {
     public String frequencySort(String s) {
         Map<Character, Integer> map = new HashMap();
         for (char c : s.toCharArray()) map.put(c, map.getOrDefault(c, 0) + 1);
-        List<Map.Entry<Character, Integer>> list = new ArrayList<>(map.entrySet());
-        Collections.sort(list, (o1, o2) -> (o2.getValue()).compareTo(o1.getValue()));
-        StringBuilder stringBuilder = new StringBuilder();
+            List<Map.Entry<Character, Integer>> list = new ArrayList<>(map.entrySet());
+            Collections.sort(list, (o1, o2) -> (o2.getValue()).compareTo(o1.getValue()));
+            StringBuilder stringBuilder = new StringBuilder();
         for (Map.Entry<Character, Integer> entry : list) {
             for (int i = 0; i < entry.getValue(); i++) {
                 stringBuilder.append(entry.getKey());
