L Question: Reverse String Recursion

public class reverseStringRecursive {
 
 
 private static void reverse(char[] s,int start,int end){
  
  if(start > end){
   System.out.println("Reversed String " + String.valueOf(s));
   return;
  }
  if(start == end)
   return;
  
   char temp = s[start];
   s[start] = s[end];
   s[end] = temp;
   reverse(s,start+1,end-1);
   
  
 }
 
 public static void main(String args[]){
  
  String s = "This is a test";
  char []temp = s.toCharArray();
  reverse(temp,0,temp.length-1);
  System.out.println(s);
 }
 
}