JAVA String Pan Pani

package e9.napisy.pyt;

import java.util.Scanner;
import javax.swing.JOptionPane;

public class E9NapisyPyt {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Wprowadź imię");
        String imie = sc.next();
        if (imie.charAt(imie.length()-1)=='a') System.out.println("Witam Panią.");
        else JOptionPane.showMessageDialog(null, "Witam Pana.");

    }

}