Time: 1 ms (95.64%), Space: 42.4 MB (19.60%) - LeetHub

Author: ahmeddhus

1662-check-if-two-string-arrays-are-equivalent/1662-check-if-two-string-arrays-are-equivalent.java

@@ -1,16 +1,15 @@
 class Solution {
     public boolean arrayStringsAreEqual(String[] word1, String[] word2) {
-        String word1Str = "";
-        String word2Str = "";
+        StringBuilder word1Str = new StringBuilder();
+        StringBuilder word2Str = new StringBuilder();
 
         for (int i = 0; i < word1.length || i < word2.length; i++) {
             if (i < word1.length)
-                word1Str += word1[i];
+                word1Str.append(word1[i]);
             if (i < word2.length)
-                word2Str += word2[i];
+                word2Str.append(word2[i]);
         }
 
-
-        return word1Str.equals(word2Str);
+        return word1Str.toString().equals(word2Str.toString());
     }
 }