palindrome program in java

import java.util.Scanner;
class Palindrome{
	public static void main(String[] args) {
		String a,b;
		StringBuffer sb;
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter the string to check if it is a palindrome : ");
		a = sc.nextLine();
		sb = new StringBuffer(a);
		b = sb.reverse().toString();
		if (a.equals(b)) {
			System.out.print("Entered String is a palindrome.");
		}else{
			System.out.print("Entered String is not a palindrome.");
		}
	}
}