refactor 657

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_657.java

@@ -22,20 +22,22 @@ The valid robot moves are R (Right), L (Left), U (Up) and D (down).
  */
 
 public class _657 {
-    public boolean judgeCircle(String moves) {
-        int hori = 0;
-        int verti = 0;
-        for (char c : moves.toCharArray()) {
-            if (c == 'U') {
-                verti++;
-            } else if (c == 'D') {
-                verti--;
-            } else if (c == 'L') {
-                hori--;
-            } else if (c == 'R') {
-                hori++;
+    public static class Solution1 {
+        public boolean judgeCircle(String moves) {
+            int hori = 0;
+            int verti = 0;
+            for (char c : moves.toCharArray()) {
+                if (c == 'U') {
+                    verti++;
+                } else if (c == 'D') {
+                    verti--;
+                } else if (c == 'L') {
+                    hori--;
+                } else if (c == 'R') {
+                    hori++;
+                }
             }
+            return verti == 0 && hori == 0;
         }
-        return verti == 0 && hori == 0;
     }
 }