diff --git a/combination-sum/sora0319.java b/combination-sum/sora0319.java
index 7232633d3..c20eb7563 100644
--- a/combination-sum/sora0319.java
+++ b/combination-sum/sora0319.java
@@ -24,3 +24,4 @@ private void checkTarget(int[] candidates, int target, int start, List<List<Inte
     }
 }
 
+
diff --git a/decode-ways/sora0319.java b/decode-ways/sora0319.java
index 2a0b11f7a..6124ce6a7 100644
--- a/decode-ways/sora0319.java
+++ b/decode-ways/sora0319.java
@@ -22,3 +22,4 @@ public int numDecodings(String s) {
     }
 }
 
+
diff --git a/maximum-subarray/sora0319.java b/maximum-subarray/sora0319.java
index 8e706c2f5..8e08ba02b 100644
--- a/maximum-subarray/sora0319.java
+++ b/maximum-subarray/sora0319.java
@@ -16,3 +16,4 @@ public int maxSubArray(int[] nums) {
 
 }
 
+
diff --git a/number-of-1-bits/sora0319.java b/number-of-1-bits/sora0319.java
index 646f04d99..c1d2b9429 100644
--- a/number-of-1-bits/sora0319.java
+++ b/number-of-1-bits/sora0319.java
@@ -10,3 +10,4 @@ public int hammingWeight(int n) {
     }
 }
 
+
diff --git a/valid-palindrome/sora0319.java b/valid-palindrome/sora0319.java
index fdde15223..5c9b81c9d 100644
--- a/valid-palindrome/sora0319.java
+++ b/valid-palindrome/sora0319.java
@@ -25,3 +25,4 @@ public boolean isPalindrome(String s) {
     }
 }
 
+