String Palindrome

import java.io.*;
import java.util.*;
class Palindrome
{
public static void main(String args[])
{
Scanner sc= new Scanner(System.in);
System.out.println("Enter any string");
String s1=sc.nextLine();
StringBuffer sb=new StringBuffer(s1);
System.out.println(sb);
sb.reverse();
System.out.println(sb);
String s2=sb.toString();
boolean b=s1.equals(s2);
if(b==true)
{
System.out.println("Given String is palindrome");
}
else
{
System.out.println("Given String is not palindrome");
}
}
}