variable

Trees/Tree-Huffman Decoding/solution.java

@@ -47,20 +47,20 @@ class Node
 	void decode(String s, Node root) {
 
         // StringBuilder over String because StringBuilder is mutable
-        StringBuilder sb = new StringBuilder();
+        StringBuilder res_str = new StringBuilder();
         Node node = root; 
         // traverse each character of string
         for (int i = 0; i < s.length(); i++) {
             // if character= 1, move to right otherwise left
             node = s.charAt(i) == '1' ? node.right : node.left;
             // if it is a leaf node append character to our string result
             if (node.left == null && node.right == null) { // leaf nodes
-                sb.append(node.data);
+                res_str.append(node.data);
                 node = root;
             }
         }
         // print resultant string
-        System.out.print(sb);
+        System.out.print(res_str);
 
     }