public class Login {

    public static void main(String[] args) {

        String user = "admin";
        String password = "admin";

        if (user.equalsIgnoreCase("admin")) {
            if (password.equals("admin")) {
                System.out.println("Login sukses!");
            } else {
                System.out.println("Password yang anda masukkan salah!");
            }
        } else {
            if (password.equals("admin")) {
                System.out.println("Login sukses!");
            } else {
                System.out.println("Username dan Password salah");
            }
            System.out.println("Username yang anda masukkan salah!");
        }
    }

}