diff --git a/Recursion/lecture 6/Fraz_recursion_6.java b/Recursion/lecture 6/Fraz_recursion_6.java
index 93a46e8..eec8d7e 100644
--- a/Recursion/lecture 6/Fraz_recursion_6.java	
+++ b/Recursion/lecture 6/Fraz_recursion_6.java	
@@ -2,12 +2,12 @@ void reverseArrayHelper(int l,int r,ArrayList<Integer>arr)
 {
     if(l>=r) return;
     int tmp=arr.get(l);
-    arr.get(l)=arr.get(r);
-    arr.get(r)=tmp;
+    arr.set(l,arr.get(r));
+    arr.set(r,tmp);
     reverseArrayHelper(l+1,r-1,arr);
 }
 
 void reverseArray(ArrayList<Integer> arr,int m)
 {
     reverseArrayHelper(m+1,arr.length()-1,arr);
-}
\ No newline at end of file
+}