package first_try;

import java.util.Scanner;

public class first_class
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);

        String prenom;
        char reponse = 'o';

        while(reponse == 'o')
        {
            System.out.print("Saisissez votre prénom : ");
            prenom = sc.nextLine();

            reponse = ' ';

            while(reponse != 'o' && reponse != 'n')
            {
                System.out.print("Voulez vous recommencer ? : ");
                reponse = sc.nextLine().charAt(0);
            }
        }
    }

}