Write a program to reverse a string

import java.util.*;

 class ReverseAString           //class name

{

   public static void main(String args[])  //main function

   {

      String original, reverse = "";    //string declaration

      Scanner in = new Scanner(System.in);                //to get input from- //-user

      System.out.println("Enter a string to reverse"); //Ask //string to reverse from user

original = in.nextLine();                            //getting input from user //using ‘in’ object

      int length = original.length();            //finding length of the //inputted string

      for ( int i = length - 1 ; i >= 0 ; i-- )  //using for loop //getting each character by using charAt(i) method

         reverse = reverse + original.charAt(i);  //reversed string is //stored in reverse string

      System.out.println("Reverse of entered string is: "+reverse);

//reversed sting is outputted to user

   }

}