Palindrome of String in Java

import java.util.*;

public class palindrome {
public static void main(String[] args)
{
Scanner sc=new Scanner(System.in);
String a=sc.nextLine();
String x;
StringBuilder c=new StringBuilder();
c.append(a);
c=c.reverse();
String d=c.toString();

if(a.equals(d))
{
System.out.println("palindrom");
}
else
{
System.out.println("not");
}
}

}