Reverse Or Palindrome Of String In JAva

public class ReverseString
 {

public static void main(String[] args)
        {
String s="madam";
String s1="";
for(int i=s.length()-1;i>=0;i--)
{
s1+=s.charAt(i);
}
System.out.println(s1);
if(s.equalsIgnoreCase(s1))
{
System.out.println(" palindrom");
}
else
{
System.out.println("not palindrom");
}

}

}