diff --git a/best-time-to-buy-and-sell-stock/sora0319.java b/best-time-to-buy-and-sell-stock/sora0319.java
index 9563be965..88c889a32 100644
--- a/best-time-to-buy-and-sell-stock/sora0319.java
+++ b/best-time-to-buy-and-sell-stock/sora0319.java
@@ -15,3 +15,4 @@ public int maxProfit(int[] prices) {
     }
 }
 
+
diff --git a/encode-and-decode-strings/sora0319.java b/encode-and-decode-strings/sora0319.java
index 0da610574..8d6df5b04 100644
--- a/encode-and-decode-strings/sora0319.java
+++ b/encode-and-decode-strings/sora0319.java
@@ -31,3 +31,4 @@ public List<String> decode(String str) {
         return result;
     }
 }
+
diff --git a/group-anagrams/sora0319.java b/group-anagrams/sora0319.java
index 5d4d7d0f2..0c75b0213 100644
--- a/group-anagrams/sora0319.java
+++ b/group-anagrams/sora0319.java
@@ -25,3 +25,4 @@ public List<List<String>> groupAnagrams(String[] strs) {
     }
 }
 
+
diff --git a/implement-trie-prefix-tree/sora0319.java b/implement-trie-prefix-tree/sora0319.java
index 9c0e7308b..048a062e2 100644
--- a/implement-trie-prefix-tree/sora0319.java
+++ b/implement-trie-prefix-tree/sora0319.java
@@ -30,11 +30,4 @@ public boolean startsWith(String prefix) {
     }
 }
 
-/**
- * Your Trie object will be instantiated and called as such:
- * Trie obj = new Trie();
- * obj.insert(word);
- * boolean param_2 = obj.search(word);
- * boolean param_3 = obj.startsWith(prefix);
- */
 
diff --git a/word-break/sora0319.java b/word-break/sora0319.java
index cd7fdb849..b63126c19 100644
--- a/word-break/sora0319.java
+++ b/word-break/sora0319.java
@@ -17,3 +17,4 @@ public boolean wordBreak(String s, List<String> wordDict) {
         return dp[s.length()];
     }
 }
+