add 2129

Author: fishercoder1534

README.md

@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ ★
 
 |  #  |      Title     |   Solutions   | Video  | Difficulty  | Tag                  
 |-----|----------------|---------------|--------|-------------|-------------
+|2129|[Capitalize the Title](https://leetcode.com/problems/capitalize-the-title/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2129.java) ||Easy||
 |2126|[Destroying Asteroids](https://leetcode.com/problems/destroying-asteroids/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2126.java) ||Medium||
 |2125|[Number of Laser Beams in a Bank](https://leetcode.com/problems/number-of-laser-beams-in-a-bank/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2125.java) ||Medium||
 |2124|[Check if All A's Appears Before All B's](https://leetcode.com/problems/check-if-all-as-appears-before-all-bs/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2124.java) ||Easy||

src/main/java/com/fishercoder/solutions/_2129.java

@@ -0,0 +1,24 @@
+package com.fishercoder.solutions;
+
+import java.util.Locale;
+
+public class _2129 {
+    public static class Solution1 {
+        public String capitalizeTitle(String title) {
+            String[] words = title.split("\\ ");
+            StringBuilder sb = new StringBuilder();
+            for (int i = 0; i < words.length; i++) {
+                String tmp = words[i].toLowerCase(Locale.ROOT);
+                if (words[i].length() <= 2) {
+                    sb.append(tmp);
+                } else {
+                    sb.append(Character.toUpperCase(tmp.charAt(0)) + tmp.substring(1));
+                }
+                if (i < words.length - 1) {
+                    sb.append(" ");
+                }
+            }
+            return sb.toString();
+        }
+    }
+}