Java program for string reverse

import java.io.*;

import java.util.*;

class ReverseString
{
public static void main(String args[])
{
String original, reverse = "";
Scanner in = new Scanner(System.in);

System.out.println("Enter a string to reverse");
original = in.nextLine();

int length = original.length();

for ( int i = length - 1 ; i >= 0 ; i-- )
reverse = reverse + original.charAt(i);

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