diff --git a/ReverseString.java b/ReverseString.java
index 409735502ba1..81498858c376 100644
--- a/ReverseString.java
+++ b/ReverseString.java
@@ -16,19 +16,17 @@ class ReverseString
* @param str String to be reversed
* @return Reversed string
*/
- static String reverseString(String str)
- {
- String reverse="";
- if(str.length()==1)
- {
- return str;
- }
- else
- {
- reverse=reverse+str.charAt(str.length()-1)+reverseString(str.substring(0,str.length()-1));
- return reverse;
- }
- }
+ public static String reverse(String str){
+ if(str.isEmpty() || str == null) return str;
+
+ char arr[] = str.toCharArray();
+ for(int i = 0, j = str.length() - 1; i < j; i++, j--){
+ char temp = arr[i];
+ arr[i] = arr[j];
+ arr[j] = temp;
+ }
+ return new String(arr);
+ }
/**
* Main Method
@@ -45,4 +43,4 @@ public static void main(String args[]) throws IOException
br.close();
}
}
-
\ No newline at end of file
+
pFad - Phonifier reborn
Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.
Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.
Alternative Proxies:
Alternative Proxy
pFad Proxy
pFad v3 Proxy
pFad v4 Proxy