Reverse a String and check for Plindrome String

package com.JavaInterview.Programs;

/*

 * @author:http://javainterviewprograms.blogspot.in/

 * 

 */

import java.util.*;

public class RevString1 {

 public String rev = "";

 public String revString(String s) {

  if (s.length() == 1) {

   return s;

  } else {

   for(int i=s.length()-1;i>=0;i--){

   rev = rev + s.charAt(i);

   }

   return rev;

  }

 }

 public static void main(String args[]) {

 

  Scanner input=new Scanner(System.in);

  System.out.println("Please enter the string :");

 

  String s=input.nextLine();

  RevString1 r = new RevString1();

 /****Line 19 *****/

  System.out.print("Reverse of String "+ s+" is :"+r.revString(s));

 }

}

/****For PALINDROME String replace lines after line 19 with ****/

        

         String rev = r.revString(s);

  if (rev.equals(s) {

   System.out.println("The String " + s + " is a Palindrome");

  } else {

   System.out.println("The String " + s + " is NOT aPalindrome");

  }

}

Output :

Please enter the string :

INDIA

Reverse of String INDIA is :AIDNI

Output :

Please enter String 

paqjqap

The String paqjqap is a Palindrome