Palindrome string program in java using scanner code example

Example: Palindrome string program in java using scanner

class Main
{
public static void main(String args[])
{
String a, b = "";
Scanner in = new Scanner(System.in);
System.out.println("Enter the string");
a = in.nextLine();
int length = a.length();
for (int i = length - 1; i >= 0; i--)
b = b + a.charAt(i);
if(a.equals(b))
System.out.println("The string is a palindrome.");
else
System.out.println("The string is not a palindrome.");
}
}