Program Perhotelan berbasis GUI sederhana

Program Perhotelan berbasis GUI atau Java.awt atau biasa disebut AWT (Abstract Window Toolkit) dan java.swing

ketentuan:
 -Pelanggan Member yang menginap lebih dari atau sama dengan 4 hari akan memdapakan diskon 20%.
-Pelanggan Member yang menginap lebih dari atau sama dengan 1 minggu akan memdapakan diskon 35%. --Pelanggan bukan member yang menginap lebih dari atau sama dengan 4 hari akan memdapakan diskon 10%.
 -Pelanggan Member yang menginap lebih dari 1 minggu akan memdapakan diskon 15%. "
menggunakan JRadioButton


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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class SewaHotel extends JFrame implements ActionListener {
 Container konten = getContentPane();

 private final JLabel lblIDPelanggan = new JLabel("ID Pelanggan :");
 private final JLabel lblNama = new JLabel("Nama :");
 private final JLabel lblTgl = new JLabel("Tanggal Cek In :");
 private final JLabel lblAlamat = new JLabel("Alamat :");
 private final JLabel lblJenisKamar = new JLabel("JenisKamar:");
 private final JLabel lblMember = new JLabel("Member :");
        private JLabel lbllama = new JLabel("Lama Menginap :");
 private JLabel lblTelp = new JLabel("Telp :");
 private JTextField txtIDPelanggan = new JTextField();
 private JTextField txtNama = new JTextField();
        private JTextField txtTgl = new JTextField();
        private JTextField txtAlamat = new JTextField();
 private final JRadioButton rDeluxeRoom = new JRadioButton("1. Deluxe Room Rp 275.000/hari");
 private final JRadioButton rSuiteRoom = new JRadioButton("2. Suite Room Rp 300.000/hari");
 private final JRadioButton rPresidentRoom = new JRadioButton("3. President Room Rp 370.000/hari");
        private final ButtonGroup btnGrup;
 private final JRadioButton rMember = new JRadioButton("Member");
 private final JRadioButton rNonMember = new JRadioButton("Non Member");
 private final ButtonGroup btGrup = new ButtonGroup();
 private JTextField txtlama = new JTextField();
 private JTextField txtTelp = new JTextField();
 private JButton btnTampil = new JButton("Tampil");
 private JButton btnKeluar = new JButton("Keluar");

 public SewaHotel(){
  super("PERHOTELAN");
        this.btnGrup = new ButtonGroup();
  setVisible(true);
  setSize(500,500);
  setLocationRelativeTo(null);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

  konten.setLayout(null);

  btnGrup.add(rDeluxeRoom);
  btnGrup.add(rSuiteRoom);
  btnGrup.add(rPresidentRoom);

  rDeluxeRoom.setSelected(true);

  btGrup.add(rMember);
  btGrup.add(rNonMember);

  rMember.setSelected(true);

  lblIDPelanggan.setBounds(20,20,100,25);
  lblNama.setBounds(20,55,100,25);
  lbllama.setBounds(20,90,120,25);
  lblJenisKamar.setBounds(20,125,100,25);
  lblMember.setBounds(20,160,100,25);
  lblTgl.setBounds(20,195,100,25);
  lblAlamat.setBounds(20,230,100,25);
  lblTelp.setBounds(20,265,100,25);
  txtIDPelanggan.setBounds(150,20,100,25);
  txtNama.setBounds(150,55,100,25);
  txtlama.setBounds(150,90,100,25);
  rDeluxeRoom.setBounds(150,125,90,25);
  rSuiteRoom.setBounds(250,125,90,25);
  rPresidentRoom.setBounds(350,125,90,25);
  rMember.setBounds(150,160,90,25);
  rNonMember.setBounds(250,160,90,25);
  txtTgl.setBounds(150,195,100,25);
  txtAlamat.setBounds(150,230,200,25);
  txtTelp.setBounds(150,265,100,25);
  btnTampil.setBounds(30,300,90,25);
  btnKeluar.setBounds(250,300,90,25);

  konten.add(lblIDPelanggan);
  konten.add(lblNama);
  konten.add(lbllama);
  konten.add(lblJenisKamar);
  konten.add(lblMember);
  konten.add(lblTgl);
  konten.add(lblAlamat);
  konten.add(lblTelp);
  konten.add(txtIDPelanggan);
  konten.add(txtNama);
  konten.add(txtlama);      

  konten.add(rDeluxeRoom);
  konten.add(rSuiteRoom);
  konten.add(rPresidentRoom);
  konten.add(rMember);
  konten.add(rNonMember);
             
  konten.add(txtTgl);
  konten.add(txtAlamat);
  konten.add(txtTelp);
  konten.add(btnTampil);
  konten.add(btnKeluar);
  btnTampil.addActionListener(this);
  btnKeluar.addActionListener(this);
 }

        @Override
 public void actionPerformed(ActionEvent act) {
 double lama=Double.parseDouble(txtlama.getText());
 double tarif=0,diskon=0,bayar=0;
  Object obj = act.getSource();
  if (obj==btnTampil) {

   String JenisKamar="";
   String Member="";
 
   {

   if (rDeluxeRoom.isSelected()){
 
    tarif = lama*275000;
   JenisKamar="Deluxe Room";
   }else if (rSuiteRoom.isSelected()){
   tarif = lama*300000;
   JenisKamar="Suite Room";
  }else{
   tarif = lama*375000;
   JenisKamar="President Room";
  }

  if (rMember.isSelected()){
  Member = " Member";
   if(lama>=4 && lama<=7){
    diskon = 0.20 * tarif;
   }else if (lama>7) {
    diskon = 0.35 * tarif;
   }
  }else if (rNonMember.isSelected()){
  Member = "Non Member";
   if (lama>=4 && lama<=7){
    diskon = 0.10 * tarif;
   }else if (lama>7){
    diskon = 0.15 * tarif;
   }
  }

  bayar = tarif-diskon;
}
   JOptionPane.showMessageDialog(null,"ID Pelanggan \t\t: " + txtIDPelanggan.getText() +
            "\nNama \t\t: " + txtNama.getText() +
"\nJenis Kamar \t\t :"+ JenisKamar +
         
            "\nMember \t\t: " + Member +
            "\nTanggal CekIn \t: " + txtTgl.getText() +
            "\n Tarif \t\t: " + tarif +
            " \n diskon \t\t :" + diskon +
            "\n bayar \t\t: " +bayar +
            "\nAlamat \t\t: " + txtAlamat.getText() +
            "\nTelp \t\t: " + txtTelp.getText());
  } else if (obj == btnKeluar) {
   System.exit(0);
  }
 }

 public static void main (String [] form) {
            SewaHotel sewaHotel = new SewaHotel();
 }
}
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