try{
    String var = "";
    File ft=new File("src\\log\\pegawai.txt");
    Scanner in=new Scanner(ft);
    Vector<String> vt=new Vector<String>();
    while(in.hasNextLine())
    {
        vt.add(in.nextLine());
    }

    while(true) {
        String ma = gett.getText();
        boolean sama = false;
        for(String s : vt) {
            if(ma.equals(s)) {
                sama = true;
            }
        }
        if(sama) {
            JOptionPane.showMessageDialog(null, "Selamat Anda Login Pegawai !");
            new pilhanpegawai().setVisible(true);
            dispose();
            break;
        } else {
            JOptionPane.showMessageDialog(null, "Salah Bro, coba lagi ya");
            continue;
        }
    }
}
catch(IOException e){}

}