{
           String username;
           String password;
           System.out.println("Enter a username:");
           Scanner reader = new Scanner(System.in);
           username = reader.nextLine();
           System.out.println("please enter your password whitch is at least 8 characters");
           password = reader.nextLine();
           while(password.length() > 8)
           {
               System.out.println("if there is not 8 characters start again");
               System.out.println("Enter a password that is at least 8 characters:");
               password = reader.nextLine();
           }

       }