refactor 616

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_616.java

@@ -29,31 +29,35 @@
  */
 public class _616 {
 
-    /**credit: https://discuss.leetcode.com/topic/92112/java-solution-boolean-array*/
-    public String addBoldTag(String s, String[] dict) {
-        boolean[] shouldBold = new boolean[s.length()];
-        for (int i = 0, end = 0; i < s.length(); i++) {
-            for (String word : dict) {
-                if (s.startsWith(word, i)) {
-                    end = Math.max(end, i + word.length());
+    public static class Solution1 {
+        /**
+         * credit: https://discuss.leetcode.com/topic/92112/java-solution-boolean-array
+         */
+        public String addBoldTag(String s, String[] dict) {
+            boolean[] shouldBold = new boolean[s.length()];
+            for (int i = 0, end = 0; i < s.length(); i++) {
+                for (String word : dict) {
+                    if (s.startsWith(word, i)) {
+                        end = Math.max(end, i + word.length());
+                    }
                 }
+                shouldBold[i] = end > i;
             }
-            shouldBold[i] = end > i;
-        }
-        StringBuilder stringBuilder = new StringBuilder();
-        for (int i = 0; i < s.length(); i++) {
-            if (!shouldBold[i]) {
-                stringBuilder.append(s.charAt(i));
-                continue;
-            }
-            int j = i;
-            while (j < s.length() && shouldBold[j]) {
-                j++;
+            StringBuilder stringBuilder = new StringBuilder();
+            for (int i = 0; i < s.length(); i++) {
+                if (!shouldBold[i]) {
+                    stringBuilder.append(s.charAt(i));
+                    continue;
+                }
+                int j = i;
+                while (j < s.length() && shouldBold[j]) {
+                    j++;
+                }
+                stringBuilder.append("<b>" + s.substring(i, j) + "</b>");
+                i = j - 1;
             }
-            stringBuilder.append("<b>" + s.substring(i, j) + "</b>");
-            i = j - 1;
+            return stringBuilder.toString();
         }
-        return stringBuilder.toString();
     }
 
 }