Java Progamming: jinternal frame form

buatlah class dengan memberi nama "Penjualantrianamantika"
lalu mulai mengoding berikut kodinggannya.

pertama kita buat class dengan memberi nama class penjualan

tampilan sebagai berikut:

package penjualan;

public class Penjualan {
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {

    }
}

buatlah lagi class dengan memberi nama Barang

kodingan sebagai berikut:

package penjualan;
/**
*
* @author triana mantika
*/
public class ModelBarang {
    private String namaBarang;
    private String satuan;
    private double harga;
    public ModelBarang(String namaBarang, String satuan, double harga) {
        this.namaBarang = namaBarang;
        this.satuan = satuan;
        this.harga = harga;
    }
    @Override
    public String toString() {
        return this.namaBarang;
    }
    /**
     * @return the namaBarang
     */
    public String getNamaBarang() {
        return namaBarang;
    }
    /**
     * @param namaBarang the namaBarang to set
     */
    public void setNamaBarang(String namaBarang) {
        this.namaBarang = namaBarang;
    }
    /**
     * @return the satuan
     */
    public String getSatuan() {
        return satuan;
    }
    /**
     * @param satuan the satuan to set
     */
    public void setSatuan(String satuan) {
        this.satuan = satuan;
    }
    /**
     * @return the harga
     */
    public double getHarga() {
        return harga;
    }
    /**
     * @param harga the harga to set
     */
    public void setHarga(double harga) {
        this.harga = harga;
    }

}

buatlah lagi class dengan nama modelPenjualan

kodingan sebagai berikut:

package penjualan;
import javax.swing.table.DefaultTableModel;
/**
*
* @author triana mantika
*/
public class ModelPenjualan {
    private double subTotal=0;
    private double ppn=0;
    private double total=0;
    private DefaultTableModel tabel = new DefaultTableModel();

    public ModelPenjualan(){
        getTabel().addColumn("Barang");
        getTabel().addColumn("Harga");
        getTabel().addColumn("Qty");
        getTabel().addColumn("Satuan");
        getTabel().addColumn("Jumlah");
    }
    public double countSubtotal(){
        subTotal=0;
        for (int i=0;i<tabel.getRowCount();i++){
            subTotal=subTotal+Double.parseDouble(tabel.getValueAt(i, 4).toString());
        }
        return subTotal;
    }

    public double countPPN(){
        ppn=subTotal*0.1;
        return ppn;
    }

    public double countTotal(){
        total=subTotal+ppn;
        return total;
    }
    /**
     * @return the subTotal
     */
    public double getSubTotal() {
        return subTotal;
    }
    /**
     * @param subTotal the subTotal to set
     */
    public void setSubTotal(double subTotal) {
        this.subTotal = subTotal;
    }
    /**
     * @return the ppn
     */
    public double getPpn() {
        return ppn;
    }
    /**
     * @param ppn the ppn to set
     */
    public void setPpn(double ppn) {
        this.ppn = ppn;
    }
    /**
     * @return the total
     */
    public double getTotal() {
        return total;
    }
    /**
     * @param total the total to set
     */
    public void setTotal(double total) {
        this.total = total;
    }
    /**
     * @return the tabel
     */
    public DefaultTableModel getTabel() {
        return tabel;
    }
    /**
     * @param tabel the tabel to set
     */
    public void setTabel(DefaultTableModel tabel) {
        this.tabel = tabel;
    }
}

lalu buatlah MenuLogIn

pada button login change variable name dengan cmblogin dengan cara klik kanan pada button login lalu pilih change variable name. uba juga pada button cancel dengan nama cmbcancel.

untuk mengaktifkan tombol button tersebut klik kana pada button login - > lalu pilih events - > pilih action - > actionPerfomed. lakukan juga yang sama dengan button cancle.

kodingan sebagai berikut:

package penjualan;

import javax.swing.JOptionPane;

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/

/**
*
* @author triana mantika
*/
public class menulogin extends javax.swing.JFrame {

    /**
     * Creates new form menulogin
     */
    public menulogin() {
        initComponents();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        cmblogin = new javax.swing.JButton();
        Txtuser = new javax.swing.JTextField();
        Txtpassword = new javax.swing.JTextField();
        cmbcancel = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jLabel1.setText("MENU LOGIN");

jLabel2.setText("Sebelum Masuk Ke Menu Aplikasi Anda Harus Login Terlebih Dahulu");

jLabel3.setText("User");

jLabel4.setText("Password");

        cmblogin.setText("Login");
        cmblogin.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cmbloginActionPerformed(evt);
            }
        });

        cmbcancel.setText("Cancel");
        cmbcancel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cmbcancelActionPerformed(evt);
            }
        });

pack();
}// </editor-fold>

    private void cmbloginActionPerformed(java.awt.event.ActionEvent evt) {
if (Txtuser.getText().equals("viana")){
      if (Txtpassword.getText().equals("stmik")){
          new menuutama().show();
          dispose();}
      else
          JOptionPane.showMessageDialog(null,"password salah");}
else
      JOptionPane.showMessageDialog(null,"user salah");
        // TODO add your handling code here:
    }

    private void cmbcancelActionPerformed(java.awt.event.ActionEvent evt) {
    dispose();
        // TODO add your handling code here:
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(menulogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(menulogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(menulogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(menulogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                new menulogin().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JTextField Txtpassword;
    private javax.swing.JTextField Txtuser;
    private javax.swing.JButton cmbcancel;
    private javax.swing.JButton cmblogin;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    // End of variables declaration

langkah selanjutnya buatlah Jinternalfrom dan beri nama MenuUtama

memiliki fild barang, transaksi dan close di fild barang mempunyai atribut pakaian dan di transaksi ada transaksi penjualan

dan buat lah seperti gambar di bawa ini:

fild barang mempunyai atribut pakaian.

fild transaksi mempunyai atribut transaksi penjualan

lalu buatlah kodingan untuk menampilkan atribut yang akan menjadi from

kodingan sebagai berikut:

package penjualan;

import javax.swing.JOptionPane;
import penjualan.TransaksiPenjualan;

public class menuutama extends javax.swing.JFrame {

    /**
     * Creates new form menuutama
     */
    public menuutama() {
        initComponents();
    }

        jDesktopPane1 = new javax.swing.JDesktopPane();
        jLabel3 = new javax.swing.JLabel();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();
        jMenu2 = new javax.swing.JMenu();
        jMenuItem3 = new javax.swing.JMenuItem();
        Close = new javax.swing.JMenu();
        jMenuItem5 = new javax.swing.JMenuItem();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel3.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        jLabel3.setForeground(new java.awt.Color(255, 255, 255));
        jLabel3.setText("SELAMAT DATANG DI APLIKASI PEMBAYARAN");

        javax.swing.GroupLayout jDesktopPane1Layout = new javax.swing.GroupLayout(jDesktopPane1);
        jDesktopPane1.setLayout(jDesktopPane1Layout);
        jDesktopPane1Layout.setHorizontalGroup(
            jDesktopPane1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jDesktopPane1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel3)
                .addContainerGap(46, Short.MAX_VALUE))
        );
        jDesktopPane1Layout.setVerticalGroup(
            jDesktopPane1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jDesktopPane1Layout.createSequentialGroup()
                .addGap(109, 109, 109)
                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(105, Short.MAX_VALUE))
        );
        jDesktopPane1.setLayer(jLabel3, javax.swing.JLayeredPane.DEFAULT_LAYER);

getContentPane().add(jDesktopPane1, java.awt.BorderLayout.CENTER);

jMenu1.setText("Barang ");

        jMenuItem1.setText("pakaian");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem1);

jMenuBar1.add(jMenu1);

jMenu2.setText("Transaksi ");

        jMenuItem3.setText("Transaksi Penjualan");
        jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem3ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem3);

jMenuBar1.add(jMenu2);

Close.setText("Close");

        jMenuItem5.setText("close");
        jMenuItem5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem5ActionPerformed(evt);
            }
        });
        Close.add(jMenuItem5);

jMenuBar1.add(Close);

setJMenuBar(jMenuBar1);

pack();
}// </editor-fold>

    private void jMenuItem5ActionPerformed(java.awt.event.ActionEvent evt) {
    int selectedOption=JOptionPane.showConfirmDialog(null,"Apakah anda akan menutup System?","Tutup Aplikasi",JOptionPane.YES_NO_OPTION);
    if (selectedOption == JOptionPane.YES_OPTION){
    System.exit(0);}
        // TODO add your handling code here:
    }

    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {
        pakaian satu=new pakaian();
        jDesktopPane1.add(satu);
        satu.setVisible(true);
        // TODO add your handling code here:
    }

    private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {
        TransaksiPenjualan satu=new TransaksiPenjualan();
        jDesktopPane1.add(satu);
        satu.setVisible(true);
        // TODO add your handling code here:
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(menuutama.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(menuutama.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(menuutama.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(menuutama.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                new menuutama().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JMenu Close;
    private javax.swing.JDesktopPane jDesktopPane1;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenu jMenu2;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JMenuItem jMenuItem3;
    private javax.swing.JMenuItem jMenuItem5;
    // End of variables declaration
}

setelah membuat MenuUtama buat lagi JInterfrom dengan memberi nama Pakaian

atribut yang tadi di buat akan menjadi from

pada button keluar ini dengan cara yang sama ubah cange variable namanya dengan btnKlr. ganti juga pada combobox JenisPakaian dengan jmPakaian pada text fild ganti juga dengan harga. lakukan dengan cara klik kanan pada combobox lalu pilih events - > pilih action - > actionPerfomed. lakukan juga yang sama dengan text fild.

kodingan sebagai berikut:

package penjualan;

public class pakaian extends javax.swing.JInternalFrame {

    /**
     * Creates new form pakaian
     */
    public pakaian() {
        initComponents();
    }

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jmPakaian = new javax.swing.JComboBox();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        harga = new javax.swing.JTextField();
        btnKlr = new javax.swing.JButton();

jLabel1.setText("PAKAIAN");

jLabel2.setText("jenis pakaian ");

        jmPakaian.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Jenis Pakaian", "Dres", "Jaket", "Jeans", "Kaos" }));
        jmPakaian.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jmPakaianActionPerformed(evt);
            }
        });

jLabel3.setText("harga");

jLabel4.setText("Rp");

harga.setText("00");

        btnKlr.setText("Keluar");
        btnKlr.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKlrActionPerformed(evt);
            }
        });

pack();
}// </editor-fold>

    private void jmPakaianActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        if(jmPakaian.getSelectedItem().equals("Dres")){harga.setText("Rp 150000");}
        if(jmPakaian.getSelectedItem().equals("Jaket")){harga.setText("Rp 200000");}
        if(jmPakaian.getSelectedItem().equals("Jeans")){harga.setText("Rp 300000");}
        if(jmPakaian.getSelectedItem().equals("Kaos")){harga.setText("Rp 50000");}
    }

    private void btnKlrActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        dispose();
    }

    // Variables declaration - do not modify
    private javax.swing.JButton btnKlr;
    private javax.swing.JTextField harga;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JComboBox jmPakaian;
    // End of variables declaration
}

setelah membuat from pakaian buatlah lagi from Transaksi Pembayaran

gambar sebagai berikut:

ubah change variable name pada :

txtfild di sampeng quantity ganti dengan txtQuantity
jlebel3 ganti dengan lblSatuan
comboBox ganti dengan cboBarang
label 00 ganti dengan lblHarga
table ganti dengan tblBarang
label 00 pada subTotal ganti dengan lblSubtotal
PPN ganti dengan chkPPN
label PPN pada 00 ganti dengan lblPPN
label Total pada 00 ganti dengan lblTotal
pada button Simpan ganti dengan btnSimpan
pada button Hapus ganti dengan btnHapus
pada button Keluar ganti dengan btnKeluar

setelah semua sudah di ganti tinggal mengoding sebelum menggoding
pada menu-menu tertentu ada cara nya tersendiri yaitu sebagia brikut:

pada text fild quantity klik kanan - > pilih events - > pilih key - > pilih keyPressed
pada combobox klik kanan lalu pilih events - > pilih action - > actionPerfomed
pada chekBox klik kanan lalu pilih events - > pilih action - > actionPerformed
pada button Simpan klik kanan lalu pilih - > pilih events - > pilih action - > actionPerformed
pada button Hapus klik kanan lalu pilih - > events - > pilih action - > actionPerformed
padautton Keluar klik kanan lalu pilih = > events _ > pilih action - > actionPeformed

kodingan sebagai berikut:

package penjualan;

import java.awt.event.KeyEvent;
import java.text.NumberFormat;
import javax.swing.table.TableColumn;

public class TransaksiPenjualan extends javax.swing.JInternalFrame {
    ModelBarang barang;
    ModelPenjualan penjualan=new ModelPenjualan();
    /**
     * Creates new form TransaksiPenjualan
     */
    public TransaksiPenjualan() {
        initComponents();
        fillComboBarang();
        tblBarang.setModel(penjualan.getTabel());
    }

     private void fillComboBarang(){
        ModelBarang barang1 = new ModelBarang("Dres", "Kain Katun", 150000);
        ModelBarang barang2 = new ModelBarang("Jaket", "Bahan Kulit", 200000);
        ModelBarang barang3 = new ModelBarang("Jeans", "Bahan Lepis", 300000);
        ModelBarang barang4 = new ModelBarang("Kaos", "Bahan Katun", 50000);

        cboBarang.addItem(barang1);
        cboBarang.addItem(barang2);
        cboBarang.addItem(barang3);
        cboBarang.addItem(barang4);
    }
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        txtQuantity = new javax.swing.JTextField();
        lblSatuan = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        cboBarang = new javax.swing.JComboBox();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        lblHarga = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        tblBarang = new javax.swing.JTable();
        jLabel8 = new javax.swing.JLabel();
        jLabel9 = new javax.swing.JLabel();
        lblSubtotal = new javax.swing.JLabel();
        chkPPN = new javax.swing.JCheckBox();
        jLabel11 = new javax.swing.JLabel();
        lblPPN = new javax.swing.JLabel();
        jLabel13 = new javax.swing.JLabel();
        jLabel14 = new javax.swing.JLabel();
        lblTotal = new javax.swing.JLabel();
        btnSimpan = new javax.swing.JButton();
        btnHapus = new javax.swing.JButton();
        btnKeluar = new javax.swing.JButton();

jLabel1.setFont(new java.awt.Font("Tahoma", 1, 18)); // NOI18N
jLabel1.setText("Transaksi Penjualan ");

jLabel2.setText("Quantity");

        txtQuantity.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtQuantityActionPerformed(evt);
            }
        });
        txtQuantity.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                txtQuantityKeyPressed(evt);
            }
        });

lblSatuan.setText("jLabel3");

jLabel4.setText("Barang");

        cboBarang.setName("           "); // NOI18N
        cboBarang.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cboBarangActionPerformed(evt);
            }
        });

jLabel5.setText("Harga");

jLabel6.setText("Rp.");

lblHarga.setText("00");

        tblBarang.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null, null, null},
                {null, null, null, null, null, null},
                {null, null, null, null, null, null},
                {null, null, null, null, null, null}
            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4", "Title 5", "Title 6"
            }
        ));
        jScrollPane1.setViewportView(tblBarang);

jLabel8.setText("Subtotal :");

jLabel9.setText("Rp.");

lblSubtotal.setText("00");

        chkPPN.setText("PPN");
        chkPPN.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                chkPPNActionPerformed(evt);
            }
        });

jLabel11.setText("Rp");

lblPPN.setText("00");

jLabel13.setText("Total");

jLabel14.setText("Rp");

lblTotal.setText("00");

        btnSimpan.setText("Simpan");
        btnSimpan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSimpanActionPerformed(evt);
            }
        });

        btnHapus.setText("Hapus");
        btnHapus.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnHapusActionPerformed(evt);
            }
        });

        btnKeluar.setText("Keluar");
        btnKeluar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKeluarActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(31, 31, 31)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel8)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(btnSimpan)
                                .addGap(26, 26, 26)
                                .addComponent(btnHapus)
                                .addGap(26, 26, 26)
                                .addComponent(btnKeluar)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jLabel13)
                                    .addComponent(chkPPN))))
                        .addGap(18, 18, 18)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel14)
                                .addGap(18, 18, 18)
                                .addComponent(lblTotal, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jLabel11)
                                    .addComponent(jLabel9, javax.swing.GroupLayout.PREFERRED_SIZE, 17, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGap(18, 18, 18)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(lblSubtotal, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(lblPPN, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGap(23, 23, 23)
                                .addComponent(jLabel2)
                                .addGap(19, 19, 19)
                                .addComponent(txtQuantity, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(lblSatuan)
                                .addGap(159, 159, 159)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addGroup(layout.createSequentialGroup()
                                        .addComponent(jLabel4)
                                        .addGap(39, 39, 39)
                                        .addComponent(cboBarang, javax.swing.GroupLayout.PREFERRED_SIZE, 136, javax.swing.GroupLayout.PREFERRED_SIZE))
                                    .addGroup(layout.createSequentialGroup()
                                        .addComponent(jLabel5)
                                        .addGap(18, 18, 18)
                                        .addComponent(jLabel6)
                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                        .addComponent(lblHarga, javax.swing.GroupLayout.PREFERRED_SIZE, 117, javax.swing.GroupLayout.PREFERRED_SIZE))))
                            .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(0, 0, Short.MAX_VALUE)))
                .addContainerGap(19, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addGap(180, 180, 180)
                .addComponent(jLabel1)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(18, 18, 18)
                .addComponent(jLabel1)
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(txtQuantity, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(lblSatuan)
                    .addComponent(jLabel4)
                    .addComponent(cboBarang, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5)
                    .addComponent(jLabel6)
                    .addComponent(lblHarga))
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 113, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel8)
                    .addComponent(jLabel9)
                    .addComponent(lblSubtotal))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(chkPPN)
                            .addComponent(jLabel11)
                            .addComponent(lblPPN))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel13)
                            .addComponent(jLabel14)
                            .addComponent(lblTotal)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(15, 15, 15)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(btnSimpan)
                            .addComponent(btnHapus)
                            .addComponent(btnKeluar))))
                .addContainerGap(93, Short.MAX_VALUE))
        );

pack();
}// </editor-fold>

    private void cboBarangActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
         barang = (ModelBarang)cboBarang.getSelectedItem();
        lblHarga.setText(NumberFormat.getNumberInstance().format(barang.getHarga()));
        lblSatuan.setText(barang.getSatuan());
    }

    private void chkPPNActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        if (chkPPN.isSelected())
            lblPPN.setText(NumberFormat.getNumberInstance().format(penjualan.countPPN()));
        else{
            lblPPN.setText("0");
            penjualan.setPpn(0);
        }

        lblTotal.setText(NumberFormat.getNumberInstance().format(penjualan.countTotal()));
    }

    private void txtQuantityKeyPressed(java.awt.event.KeyEvent evt) {
        // TODO add your handling code here:
        if(evt.getKeyCode()==KeyEvent.VK_ENTER)
            btnSimpan.requestFocus();
    }

    private void btnSimpanActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
          String[] data = new String[5];
        double harga, jumlah=0;
        int qty=0;


        data[0]=barang.getNamaBarang();
        harga=barang.getHarga();
        data[1]=String.valueOf(barang.getHarga());
        qty=Integer.parseInt(txtQuantity.getText());
        data[2]=txtQuantity.getText();
        data[3]=barang.getSatuan();
        jumlah=harga*qty;
        data[4]=String.valueOf(jumlah);


        penjualan.getTabel().addRow(data);
        lblSubtotal.setText(NumberFormat.getNumberInstance().format(penjualan.countSubtotal()));
        chkPPNActionPerformed(null);

        cboBarang.requestFocus();
    }

    private void btnHapusActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        penjualan.getTabel().removeRow(tblBarang.getSelectedRow());
        lblSubtotal.setText(NumberFormat.getNumberInstance().format(penjualan.countSubtotal()));
        chkPPNActionPerformed(null);
    }

    private void txtQuantityActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }

    private void btnKeluarActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        dispose();
    }

    // Variables declaration - do not modify
    private javax.swing.JButton btnHapus;
    private javax.swing.JButton btnKeluar;
    private javax.swing.JButton btnSimpan;
    private javax.swing.JComboBox cboBarang;
    private javax.swing.JCheckBox chkPPN;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel11;
    private javax.swing.JLabel jLabel13;
    private javax.swing.JLabel jLabel14;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JLabel jLabel9;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JLabel lblHarga;
    private javax.swing.JLabel lblPPN;
    private javax.swing.JLabel lblSatuan;
    private javax.swing.JLabel lblSubtotal;
    private javax.swing.JLabel lblTotal;
    private javax.swing.JTable tblBarang;
    private javax.swing.JTextField txtQuantity;
    // End of variables declaration
}

inilah gambar ketika di RUNFILE:

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Java Progamming

Minggu, 17 April 2016

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