refactor 635

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_635.java

@@ -35,40 +35,45 @@ int[] Retrieve(String start, String end, String granularity):
  */
 public class _635 {
 
-    /**credit: https://discuss.leetcode.com/topic/94449/concise-java-solution*/
-    public static class LogSystem {
+    public static class Solution1 {
+        /**
+         * credit: https://discuss.leetcode.com/topic/94449/concise-java-solution
+         */
+        public static class LogSystem {
 
-        /**These indices denote and string endings of timestamps of different granularity, i.e.
-         * timestamp[1] in timestamps: "2017:01:01:22:59:59"
-         * -> 2017: 4, 01: 7, 01: 10, 22: 13, 59: 16, 59: 19*/
+            /**
+             * These indices denote and string endings of timestamps of different granularity, i.e.
+             * timestamp[1] in timestamps: "2017:01:01:22:59:59"
+             * -> 2017: 4, 01: 7, 01: 10, 22: 13, 59: 16, 59: 19
+             */
 
-        List<String[]> timestamps;
-        List<String> units;
-        int[] indices;
+            List<String[]> timestamps;
+            List<String> units;
+            int[] indices;
 
-        public LogSystem() {
-            timestamps = new LinkedList<>();
-            units = Arrays.asList("Year", "Month", "Day", "Hour", "Minute", "Second");
-            indices = new int[]{4, 7, 10, 13, 16, 19};
-        }
+            public LogSystem() {
+                timestamps = new LinkedList<>();
+                units = Arrays.asList("Year", "Month", "Day", "Hour", "Minute", "Second");
+                indices = new int[]{4, 7, 10, 13, 16, 19};
+            }
 
-        public void put(int id, String timestamp) {
-            timestamps.add(new String[]{Integer.toString(id), timestamp});
-        }
+            public void put(int id, String timestamp) {
+                timestamps.add(new String[]{Integer.toString(id), timestamp});
+            }
 
-        public List<Integer> retrieve(String s, String e, String gra) {
-            List<Integer> res = new LinkedList<>();
-            int index = units.indexOf(gra);
-            int stringEnd = indices[index];
-            for (String[] timestamp : timestamps) {
-                if (timestamp[1].substring(0, stringEnd).compareTo(s.substring(0, stringEnd)) >= 0
-                    && timestamp[1].substring(0, stringEnd).compareTo(e.substring(0, stringEnd)) <= 0) {
-                    res.add(Integer.parseInt(timestamp[0]));
+            public List<Integer> retrieve(String s, String e, String gra) {
+                List<Integer> res = new LinkedList<>();
+                int index = units.indexOf(gra);
+                int stringEnd = indices[index];
+                for (String[] timestamp : timestamps) {
+                    if (timestamp[1].substring(0, stringEnd).compareTo(s.substring(0, stringEnd)) >= 0
+                            && timestamp[1].substring(0, stringEnd).compareTo(e.substring(0, stringEnd)) <= 0) {
+                        res.add(Integer.parseInt(timestamp[0]));
+                    }
                 }
+                return res;
             }
-            return res;
         }
     }
 
-
 }

src/test/java/com/fishercoder/_635Test.java

@@ -15,17 +15,17 @@
  * Created by fishercoder on 9/9/17.
  */
 public class _635Test {
-    private static _635.LogSystem logSystem;
+    private static _635.Solution1.LogSystem logSystem;
     private static List<Integer> expected;
 
     @BeforeClass
     public static void setup() {
-        logSystem = new _635.LogSystem();
+        logSystem = new _635.Solution1.LogSystem();
     }
 
     @Before
     public void clear() {
-        logSystem = new _635.LogSystem();
+        logSystem = new _635.Solution1.LogSystem();
         expected = new ArrayList<>();
     }