Selasa, 15 Juli 2014

Program Aplikasi dengan Database sqlserver

Tugas UAS semester genap 2014

Program Aplikasi dengan Database sqlserver

Pada tugas UAS mata kuliah kali ini saya mencoba membuat program penjualan TIKET KAI dengan database sqlserver, berikut screenshoot aplikasi yang saya buat.

dan berikut adalah screenshoot report hasil dari aplikasi yang saya buat:

source code dari form aplikasi yang saya buat:

/*
* 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.
*/

package tugas_uas;

import java.awt.EventQueue;
import java.beans.Beans;
import java.util.ArrayList;

import java.util.List;
import javax.persistence.RollbackException;
import javax.swing.JFrame;
import javax.swing.JPanel;

/**
*
* @author FAIZ
*/
public class formTickets extends JPanel {

    double harga_tiket,qty,hasil,total;
    public formTickets() {
        initComponents();
        if (!Beans.isDesignTime()) {
            entityManager.getTransaction().begin();
        }
    }

    /**
     * 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() {
        bindingGroup = new org.jdesktop.beansbinding.BindingGroup();

        entityManager = java.beans.Beans.isDesignTime() ? null : javax.persistence.Persistence.createEntityManagerFactory("dbtiket?zeroDateTimeBehavior=convertToNullPU").createEntityManager();
        query = java.beans.Beans.isDesignTime() ? null : entityManager.createQuery("SELECT t FROM Tbtiket t");
        list = java.beans.Beans.isDesignTime() ? java.util.Collections.emptyList() : org.jdesktop.observablecollections.ObservableCollections.observableList(query.getResultList());
        masterScrollPane = new javax.swing.JScrollPane();
        masterTable = new javax.swing.JTable();
        namaLabel = new javax.swing.JLabel();
        nomorKtpLabel = new javax.swing.JLabel();
        namaKeretaLabel = new javax.swing.JLabel();
        hargaTiketLabel = new javax.swing.JLabel();
        qtyLabel = new javax.swing.JLabel();
        totalLabel = new javax.swing.JLabel();
        namaField = new javax.swing.JTextField();
        nomorKtpField = new javax.swing.JTextField();
        namaKeretaField = new javax.swing.JTextField();
        hargaTiketField = new javax.swing.JTextField();
        qtyField = new javax.swing.JTextField();
        totalField = new javax.swing.JTextField();
        saveButton = new javax.swing.JButton();
        refreshButton = new javax.swing.JButton();
        newButton = new javax.swing.JButton();
        deleteButton = new javax.swing.JButton();

        FormListener formListener = new FormListener();

        org.jdesktop.swingbinding.JTableBinding jTableBinding = org.jdesktop.swingbinding.SwingBindings.createJTableBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, list, masterTable);
        org.jdesktop.swingbinding.JTableBinding.ColumnBinding columnBinding = jTableBinding.addColumnBinding(org.jdesktop.beansbinding.ELProperty.create("${nama}"));
        columnBinding.setColumnName("Nama");
        columnBinding.setColumnClass(String.class);
        columnBinding = jTableBinding.addColumnBinding(org.jdesktop.beansbinding.ELProperty.create("${nomorKtp}"));
        columnBinding.setColumnName("Nomor Ktp");
        columnBinding.setColumnClass(String.class);
        columnBinding = jTableBinding.addColumnBinding(org.jdesktop.beansbinding.ELProperty.create("${namaKereta}"));
        columnBinding.setColumnName("Nama Kereta");
        columnBinding.setColumnClass(String.class);
        columnBinding = jTableBinding.addColumnBinding(org.jdesktop.beansbinding.ELProperty.create("${hargaTiket}"));
        columnBinding.setColumnName("Harga Tiket");
        columnBinding.setColumnClass(java.math.BigDecimal.class);
        columnBinding = jTableBinding.addColumnBinding(org.jdesktop.beansbinding.ELProperty.create("${qty}"));
        columnBinding.setColumnName("Qty");
        columnBinding.setColumnClass(Integer.class);
        columnBinding = jTableBinding.addColumnBinding(org.jdesktop.beansbinding.ELProperty.create("${total}"));
        columnBinding.setColumnName("Total");
        columnBinding.setColumnClass(java.math.BigDecimal.class);
        bindingGroup.addBinding(jTableBinding);

        masterScrollPane.setViewportView(masterTable);

        namaLabel.setText("Nama:");

        nomorKtpLabel.setText("Nomor Ktp:");

        namaKeretaLabel.setText("Nama Kereta:");

        hargaTiketLabel.setText("Harga Tiket:");

        qtyLabel.setText("Qty:");

        totalLabel.setText("Total:");

        org.jdesktop.beansbinding.Binding binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement.nama}"), namaField, org.jdesktop.beansbinding.BeanProperty.create("text"));
        binding.setSourceUnreadableValue("null");
        bindingGroup.addBinding(binding);
        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), namaField, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement.nomorKtp}"), nomorKtpField, org.jdesktop.beansbinding.BeanProperty.create("text"));
        binding.setSourceUnreadableValue("null");
        bindingGroup.addBinding(binding);
        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), nomorKtpField, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement.namaKereta}"), namaKeretaField, org.jdesktop.beansbinding.BeanProperty.create("text"));
        binding.setSourceUnreadableValue("null");
        bindingGroup.addBinding(binding);
        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), namaKeretaField, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement.hargaTiket}"), hargaTiketField, org.jdesktop.beansbinding.BeanProperty.create("text"));
        binding.setSourceUnreadableValue("null");
        bindingGroup.addBinding(binding);
        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), hargaTiketField, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement.qty}"), qtyField, org.jdesktop.beansbinding.BeanProperty.create("text"));
        binding.setSourceUnreadableValue("null");
        bindingGroup.addBinding(binding);
        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), qtyField, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        qtyField.addFocusListener(formListener);

        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ_WRITE, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement.total}"), totalField, org.jdesktop.beansbinding.BeanProperty.create("text"));
        binding.setSourceUnreadableValue("null");
        bindingGroup.addBinding(binding);
        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), totalField, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        saveButton.setText("Save");
        saveButton.addActionListener(formListener);

        refreshButton.setText("Refresh");
        refreshButton.addActionListener(formListener);

        newButton.setText("New");
        newButton.addActionListener(formListener);

        deleteButton.setText("Delete");

        binding = org.jdesktop.beansbinding.Bindings.createAutoBinding(org.jdesktop.beansbinding.AutoBinding.UpdateStrategy.READ, masterTable, org.jdesktop.beansbinding.ELProperty.create("${selectedElement != null}"), deleteButton, org.jdesktop.beansbinding.BeanProperty.create("enabled"));
        bindingGroup.addBinding(binding);

        deleteButton.addActionListener(formListener);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(newButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(deleteButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(refreshButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(saveButton))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(namaLabel)
                                    .addComponent(nomorKtpLabel)
                                    .addComponent(namaKeretaLabel)
                                    .addComponent(hargaTiketLabel)
                                    .addComponent(qtyLabel)
                                    .addComponent(totalLabel))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(namaField, javax.swing.GroupLayout.DEFAULT_SIZE, 315, Short.MAX_VALUE)
                                    .addComponent(nomorKtpField, javax.swing.GroupLayout.DEFAULT_SIZE, 315, Short.MAX_VALUE)
                                    .addComponent(namaKeretaField, javax.swing.GroupLayout.DEFAULT_SIZE, 315, Short.MAX_VALUE)
                                    .addComponent(hargaTiketField, javax.swing.GroupLayout.DEFAULT_SIZE, 315, Short.MAX_VALUE)
                                    .addComponent(qtyField, javax.swing.GroupLayout.DEFAULT_SIZE, 315, Short.MAX_VALUE)
                                    .addComponent(totalField, javax.swing.GroupLayout.DEFAULT_SIZE, 315, Short.MAX_VALUE)))
                            .addComponent(masterScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 380, Short.MAX_VALUE))))
                .addContainerGap())
        );

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {deleteButton, newButton, refreshButton, saveButton});

        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(masterScrollPane, javax.swing.GroupLayout.DEFAULT_SIZE, 130, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(namaLabel)
                    .addComponent(namaField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(nomorKtpLabel)
                    .addComponent(nomorKtpField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(namaKeretaLabel)
                    .addComponent(namaKeretaField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(hargaTiketLabel)
                    .addComponent(hargaTiketField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(qtyLabel)
                    .addComponent(qtyField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(totalLabel)
                    .addComponent(totalField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(saveButton)
                    .addComponent(refreshButton)
                    .addComponent(deleteButton)
                    .addComponent(newButton))
                .addContainerGap())
        );

        bindingGroup.bind();
    }

    // Code for dispatching events from components to event handlers.

    private class FormListener implements java.awt.event.ActionListener, java.awt.event.FocusListener {
        FormListener() {}
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            if (evt.getSource() == saveButton) {
                formTickets.this.saveButtonActionPerformed(evt);
            }
            else if (evt.getSource() == refreshButton) {
                formTickets.this.refreshButtonActionPerformed(evt);
            }
            else if (evt.getSource() == newButton) {
                formTickets.this.newButtonActionPerformed(evt);
            }
            else if (evt.getSource() == deleteButton) {
                formTickets.this.deleteButtonActionPerformed(evt);
            }
        }

        public void focusGained(java.awt.event.FocusEvent evt) {
        }

        public void focusLost(java.awt.event.FocusEvent evt) {
            if (evt.getSource() == qtyField) {
                formTickets.this.qtyFieldFocusLost(evt);
            }
        }
    }// </editor-fold>



    @SuppressWarnings("unchecked")
    private void refreshButtonActionPerformed(java.awt.event.ActionEvent evt) {
        entityManager.getTransaction().rollback();
        entityManager.getTransaction().begin();
        java.util.Collection data = query.getResultList();
        for (Object entity : data) {
            entityManager.refresh(entity);
        }
        list.clear();
        list.addAll(data);
    }

    private void deleteButtonActionPerformed(java.awt.event.ActionEvent evt) {
        int[] selected = masterTable.getSelectedRows();
        List<tugas_uas.Tbtiket> toRemove = new ArrayList<tugas_uas.Tbtiket>(selected.length);
        for (int idx = 0; idx < selected.length; idx++) {
            tugas_uas.Tbtiket t = list.get(masterTable.convertRowIndexToModel(selected[idx]));
            toRemove.add(t);
            entityManager.remove(t);
        }
        list.removeAll(toRemove);
    }

    private void newButtonActionPerformed(java.awt.event.ActionEvent evt) {
        tugas_uas.Tbtiket t = new tugas_uas.Tbtiket();
        entityManager.persist(t);
        list.add(t);
        int row = list.size() - 1;
        masterTable.setRowSelectionInterval(row, row);
        masterTable.scrollRectToVisible(masterTable.getCellRect(row, 0, true));
    }

    private void saveButtonActionPerformed(java.awt.event.ActionEvent evt) {
        try {
            entityManager.getTransaction().commit();
            entityManager.getTransaction().begin();
        } catch (RollbackException rex) {
            rex.printStackTrace();
            entityManager.getTransaction().begin();
            List<tugas_uas.Tbtiket> merged = new ArrayList<tugas_uas.Tbtiket>(list.size());
            for (tugas_uas.Tbtiket t : list) {
                merged.add(entityManager.merge(t));
            }
            list.clear();
            list.addAll(merged);
        }
    }

    private void qtyFieldFocusLost(java.awt.event.FocusEvent evt) {
        // TODO add your handling code here:
        try {
        harga_tiket = Double.valueOf(hargaTiketField.getText());
            qty = Double.valueOf(qtyField.getText());
            hasil = harga_tiket*qty;
            totalField.setText(hasil+"");

          } catch(Exception e) { }
    }

    // Variables declaration - do not modify
    private javax.swing.JButton deleteButton;
    private javax.persistence.EntityManager entityManager;
    private javax.swing.JTextField hargaTiketField;
    private javax.swing.JLabel hargaTiketLabel;
    private java.util.List<tugas_uas.Tbtiket> list;
    private javax.swing.JScrollPane masterScrollPane;
    private javax.swing.JTable masterTable;
    private javax.swing.JTextField namaField;
    private javax.swing.JTextField namaKeretaField;
    private javax.swing.JLabel namaKeretaLabel;
    private javax.swing.JLabel namaLabel;
    private javax.swing.JButton newButton;
    private javax.swing.JTextField nomorKtpField;
    private javax.swing.JLabel nomorKtpLabel;
    private javax.swing.JTextField qtyField;
    private javax.swing.JLabel qtyLabel;
    private javax.persistence.Query query;
    private javax.swing.JButton refreshButton;
    private javax.swing.JButton saveButton;
    private javax.swing.JTextField totalField;
    private javax.swing.JLabel totalLabel;
    private org.jdesktop.beansbinding.BindingGroup bindingGroup;
    // End of variables declaration
    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(formTickets.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(formTickets.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(formTickets.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(formTickets.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                JFrame frame = new JFrame();
                frame.setContentPane(new formTickets());
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.pack();
                frame.setVisible(true);
            }
        });
    }

}

Kamis, 01 Mei 2014

Java Basic Netbeans : Membuat Aplikasi Sistem Parkir Mengunakan Gui Iframe

Hay Para Teman-Teman sudah lama saya tidak update blog ini . karena kesibukan saya kuliah dan kerja hehehe :D . kali ini saya akan membahas sedikit Tentang tugas dari tempat saya kuliah . Tentang Pembuatan Aplikasi java Iframe . di sini saya akan membuat aplikasi Sistem Kerja Parkir. saya tidak akan panjang lebar menjelasakan Scrip dan funginya karena keterbataan waktu . tapi kalo ada yang ingin bertanya Bisa langsung ke Twitter saya di @faizfufu .

1 Pertama buat Desain Iframe seperti ini .

- Berikut code atau scripnya
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author faiz
*/
public class parkir extends javax.swing.JFrame {
    /**
     * Creates new form parkir
     */
    public parkir() {
        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();
        in = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        m = new javax.swing.JCheckBox();
        t = new javax.swing.JCheckBox();
        k = new javax.swing.JCheckBox();
        nopol = new javax.swing.JTextField();
        hp = new javax.swing.JTextField();
        total = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jLabel6 = new javax.swing.JLabel();
        out = new javax.swing.JTextField();
        jLabel7 = new javax.swing.JLabel();
        lp = new javax.swing.JTextField();
        jLabel8 = new javax.swing.JLabel();
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jLabel1.setText("No.Polisi");
        jLabel2.setText("Jam masuk");
        jLabel3.setText("jenis kendaraan");
        jLabel4.setText("Harga Parkir");
        jLabel5.setText("Total Bayar Parkir ");
        m.setText("Motor");
        m.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                mActionPerformed(evt);
            }
        });
        t.setText("Truk");
        t.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                tActionPerformed(evt);
            }
        });
        k.setText("Kendaraan Pribadi");
        k.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                kActionPerformed(evt);
            }
        });
        nopol.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                nopolActionPerformed(evt);
            }
        });
        jButton1.setText("Hitung");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        jLabel6.setText("Jam keluar");
        jLabel7.setText("Lama Parkir");
        jLabel8.setText("Parkiran STIMIK ERESHA ");
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jButton1)
                .addGap(92, 92, 92))
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(jLabel6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGap(202, 202, 202))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(m)
                                    .addComponent(jLabel4))
                                .addGap(31, 31, 31)
                                .addComponent(t)
                                .addGap(18, 18, 18)
                                .addComponent(k))
                            .addComponent(jLabel3, javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jLabel2)
                                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGap(47, 47, 47)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(nopol, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(in, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE))))
                        .addContainerGap(239, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel7, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addGap(22, 22, 22)
                                .addComponent(lp, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel5)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(out, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(hp, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(total, javax.swing.GroupLayout.PREFERRED_SIZE, 121, javax.swing.GroupLayout.PREFERRED_SIZE))))
                        .addGap(59, 59, 59))))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jLabel8, javax.swing.GroupLayout.PREFERRED_SIZE, 236, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel8)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 44, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(nopol, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(in, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.TRAILING))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jLabel3)
                .addGap(4, 4, 4)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(m)
                    .addComponent(t)
                    .addComponent(k))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4)
                    .addComponent(hp, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel6, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(out, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(2, 2, 2)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel7, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(lp, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(total, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel5))
                .addGap(14, 14, 14)
                .addComponent(jButton1)
                .addGap(25, 25, 25))
        );
        pack();
    }// </editor-fold>
    private void nopolActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }
    private void mActionPerformed(java.awt.event.ActionEvent evt) {
if (m.isSelected()){
hp.setText("2000");
}else{
hp.setText("0");
}
        // TODO add your handling code here:
    }
    private void tActionPerformed(java.awt.event.ActionEvent evt) {
if (t.isSelected()){
hp.setText("4000");
}else{
hp.setText("0");
}
        // TODO add your handling code here:
    }
    private void kActionPerformed(java.awt.event.ActionEvent evt) {
if (k.isSelected()){
hp.setText("3000");
}else{
hp.setText("0");
}
        // TODO add your handling code here:
    }
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
double masuk,keluar,lamaparkir;
masuk=Double.valueOf(in.getText());
keluar=Double.valueOf(out.getText());
lamaparkir=keluar-masuk;
lp.setText(Double.toString(lamaparkir));
double hp2=Integer.parseInt(hp.getText());
double lp1=Double.valueOf(lp.getText());
double tb=hp2*lp1;
total.setText(Double.toString(tb));
        // 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(parkir.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(parkir.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(parkir.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(parkir.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new parkir().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JTextField hp;
    private javax.swing.JTextField in;
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JCheckBox k;
    private javax.swing.JTextField lp;
    private javax.swing.JCheckBox m;
    private javax.swing.JTextField nopol;
    private javax.swing.JTextField out;
    private javax.swing.JCheckBox t;
    private javax.swing.JTextField total;
    // End of variables declaration
}

Senin, 27 Januari 2014

Cara Membuat Form Penghitungan Dalam JAVA Dengan Netbeans

package tugas03;

public class JTugas03 extends javax.swing.JFrame {
    String angka;

    Double jumlah, bil1, bil2;

    int option;

    public JTugas03() {
        initComponents();

        angka = "";
    }

    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jButton1 = new javax.swing.JButton();
        layar = new javax.swing.JTextField();
        btnTujuh = new javax.swing.JButton();
        btnEmpat = new javax.swing.JButton();
        btnSatu = new javax.swing.JButton();
        btnNol = new javax.swing.JButton();
        btnDelapan = new javax.swing.JButton();
        btnLima = new javax.swing.JButton();
        btnDua = new javax.swing.JButton();
        btnTiga = new javax.swing.JButton();
        btnEnam = new javax.swing.JButton();
        btnSembilan = new javax.swing.JButton();
        btnKoma = new javax.swing.JButton();
        btnClear = new javax.swing.JButton();
        btnKali = new javax.swing.JButton();
        btnBagi = new javax.swing.JButton();
        btnKurang = new javax.swing.JButton();
        btnTambah = new javax.swing.JButton();
        btnEqual = new javax.swing.JButton();

        jButton1.setText("jButton1");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("CALC");
        setBackground(new java.awt.Color(255, 29, 29));
        setForeground(java.awt.Color.magenta);
        setPreferredSize(new java.awt.Dimension(230, 320));

        layar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                layarActionPerformed(evt);
            }
        });

        btnTujuh.setText("7");
        btnTujuh.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnTujuhActionPerformed(evt);
            }
        });

        btnEmpat.setText("4");
        btnEmpat.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnEmpatActionPerformed(evt);
            }
        });

        btnSatu.setText("1");
        btnSatu.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSatuActionPerformed(evt);
            }
        });

        btnNol.setText("0");
        btnNol.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnNolActionPerformed(evt);
            }
        });

        btnDelapan.setText("8");
        btnDelapan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnDelapanActionPerformed(evt);
            }
        });

        btnLima.setText("5");
        btnLima.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnLimaActionPerformed(evt);
            }
        });

        btnDua.setText("2");
        btnDua.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnDuaActionPerformed(evt);
            }
        });

        btnTiga.setText("3");
        btnTiga.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnTigaActionPerformed(evt);
            }
        });

        btnEnam.setText("6");
        btnEnam.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnEnamActionPerformed(evt);
            }
        });

        btnSembilan.setText("9");
        btnSembilan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSembilanActionPerformed(evt);
            }
        });

        btnKoma.setText(".");
        btnKoma.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKomaActionPerformed(evt);
            }
        });

        btnClear.setText("C");
        btnClear.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnClearActionPerformed(evt);
            }
        });

        btnKali.setText("*");
        btnKali.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKaliActionPerformed(evt);
            }
        });

        btnBagi.setText("/");
        btnBagi.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnBagiActionPerformed(evt);
            }
        });

        btnKurang.setText("-");
        btnKurang.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKurangActionPerformed(evt);
            }
        });

        btnTambah.setText("+");
        btnTambah.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnTambahActionPerformed(evt);
            }
        });

        btnEqual.setText("=");
        btnEqual.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnEqualActionPerformed(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()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGap(0, 0, Short.MAX_VALUE)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                        .addComponent(btnTujuh, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                        .addComponent(btnDelapan, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                        .addComponent(btnSembilan, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))
                                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                        .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                            .addComponent(btnEmpat, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(btnLima, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(btnEnam, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                            .addComponent(btnSatu, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(btnDua, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                            .addComponent(btnTiga, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(btnNol, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(btnKoma, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(0, 0, Short.MAX_VALUE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(btnTambah, javax.swing.GroupLayout.DEFAULT_SIZE, 45, Short.MAX_VALUE)
                            .addComponent(btnEqual, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addGap(271, 271, 271))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(layar, javax.swing.GroupLayout.PREFERRED_SIZE, 198, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(btnClear, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(btnBagi, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(btnKali, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(btnKurang, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(0, 0, Short.MAX_VALUE))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(49, 49, 49)
                .addComponent(layar, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(13, 13, 13)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(btnClear, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnBagi, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnKali, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnKurang, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(btnTambah, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(btnDelapan, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(btnTujuh, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(btnSembilan, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(btnEnam, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(btnLima, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(btnEmpat, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                    .addComponent(btnDua, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(btnSatu, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(btnTiga, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                    .addComponent(btnNol, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(btnKoma, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addComponent(btnEqual, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                .addContainerGap(269, Short.MAX_VALUE))
        );

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

    private void layarActionPerformed(java.awt.event.ActionEvent evt) {
        layar.setText("");
        // TODO add your handling code here:
    }

    private void btnNolActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "0";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnSatuActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "1";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnDuaActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "2";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnTigaActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "3";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnEmpatActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "4";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnLimaActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "5";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnEnamActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "6";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnTujuhActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "7";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnDelapanActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "8";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnSembilanActionPerformed(java.awt.event.ActionEvent evt) {
        angka += "9";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnEqualActionPerformed(java.awt.event.ActionEvent evt) {
        switch(option) {
            case 1:
                bil2    = Double.parseDouble(angka);
                jumlah = bil1 + bil2;
                angka   = Double.toString(jumlah);

                layar.setText(angka);
            break;
            case 2:
                bil2    = Double.parseDouble(angka);
                jumlah = bil1 - bil2;
                angka   = Double.toString(jumlah);

                layar.setText(angka);
            break;
            case 3:
                bil2    = Double.parseDouble(angka);
                jumlah = bil1 * bil2;
                angka   = Double.toString(jumlah);

                layar.setText(angka);
            break;
            case 4:
                bil2    = Double.parseDouble(angka);
                jumlah = bil1 / bil2;
                angka   = Double.toString(jumlah);

                layar.setText(angka);
            break;
            default:
            break;
        }
        // TODO add your handling code here:
    }

    private void btnTambahActionPerformed(java.awt.event.ActionEvent evt) {
        bil1 = Double.parseDouble(angka);
        layar.setText("+");
        angka = "";
        option = 1;
        // TODO add your handling code here:
    }

    private void btnKurangActionPerformed(java.awt.event.ActionEvent evt) {
        bil1 = Double.parseDouble(angka);
        layar.setText("-");
        angka = "";
        option = 2;
        // TODO add your handling code here:
    }

    private void btnKaliActionPerformed(java.awt.event.ActionEvent evt) {
        bil1 = Double.parseDouble(angka);
        layar.setText("*");
        angka = "";
        option = 3;
        // TODO add your handling code here:
    }

    private void btnBagiActionPerformed(java.awt.event.ActionEvent evt) {
        bil1 = Double.parseDouble(angka);
        layar.setText("/");
        angka = "";
        option = 4;
        // TODO add your handling code here:
    }

    private void btnKomaActionPerformed(java.awt.event.ActionEvent evt) {
        angka += ".";
        layar.setText(angka);
        // TODO add your handling code here:
    }

    private void btnClearActionPerformed(java.awt.event.ActionEvent evt) {
        angka = "";
        layar.setText("0");
        // 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(JTugas03.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(JTugas03.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(JTugas03.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(JTugas03.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new JTugas03().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JButton btnBagi;
    private javax.swing.JButton btnClear;
    private javax.swing.JButton btnDelapan;
    private javax.swing.JButton btnDua;
    private javax.swing.JButton btnEmpat;
    private javax.swing.JButton btnEnam;
    private javax.swing.JButton btnEqual;
    private javax.swing.JButton btnKali;
    private javax.swing.JButton btnKoma;
    private javax.swing.JButton btnKurang;
    private javax.swing.JButton btnLima;
    private javax.swing.JButton btnNol;
    private javax.swing.JButton btnSatu;
    private javax.swing.JButton btnSembilan;
    private javax.swing.JButton btnTambah;
    private javax.swing.JButton btnTiga;
    private javax.swing.JButton btnTujuh;
    private javax.swing.JButton jButton1;
    private javax.swing.JTextField layar;
    // End of variables declaration
}