Kamis, 25 April 2013

Tugas Blog Inputan pada Java


INPUTAN PADA JAVA
Adalah perintah untuk memberikan nilai / input pada bahasa java. Dibagi menjadi 3, yaitu :
  1. Input Stream : suatu perintah yang disediakan oleh java untuk melakukan proses input output (menggunakan java  io) dan memerlukan konversi .
  2. Input B uffered Reader : suatu perintah yang disediakan oleh java untuk melakukan proses input output (menggunakan java  io), perlu penampung data untuk prosesnya, dan perlu konversi.
  1. Input Scanner : suatu perintah yang disediakan oleh java yang menggunakan Java Utilities dan tidak perlu dikonversi.

Contoh Soal :

LISTING class travel
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * travel.java
 *
 * Created on Apr 22, 2013, 8:26:52 PM
 */
package pkg11121042;

/**
 *
 * @author zeus
 */
public class travel extends javax.swing.JFrame {
int harga, jml, bayar, uby, kembali;
    /** Creates new form travel */
    public travel() {
        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() {

        jenis = new javax.swing.ButtonGroup();
        jLabel1 = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jurusan = new javax.swing.JComboBox();
        jRadioButton1 = new javax.swing.JRadioButton();
        jRadioButton2 = new javax.swing.JRadioButton();
        hrg = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jLabel7 = new javax.swing.JLabel();
        jLabel8 = new javax.swing.JLabel();
        jLabel9 = new javax.swing.JLabel();
        jLabel10 = new javax.swing.JLabel();
        nomor = new javax.swing.JTextField();
        nama = new javax.swing.JTextField();
        jumlah = new javax.swing.JTextField();
        ubay = new javax.swing.JTextField();
        total1 = new javax.swing.JTextField();
        ukem = new javax.swing.JTextField();
        input = new javax.swing.JButton();
        keluar = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("Penjualan Tiket Bus Rajawali");

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Data Bus"));

        jLabel2.setText("Jurusan");

        jLabel3.setText("Jenis");

        jLabel4.setText("Harga");

        jurusan.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Bandung", "Semarang", "Jogjakarta", "Solo", "Malang", "Surabaya" }));

        jRadioButton1.setText("VIP");
        jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jRadioButton1ActionPerformed(evt);
            }
        });

        jRadioButton2.setText("EXECUTIVE");
        jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jRadioButton2ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel2)
                    .addComponent(jLabel3)
                    .addComponent(jLabel4))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 44, Short.MAX_VALUE)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jurusan, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addComponent(jRadioButton1)
                        .addGap(18, 18, 18)
                        .addComponent(jRadioButton2))
                    .addComponent(hrg, javax.swing.GroupLayout.PREFERRED_SIZE, 125, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(51, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jurusan, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel3)
                        .addGap(16, 16, 16)
                        .addComponent(jLabel4))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(15, 15, 15)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jRadioButton1)
                            .addComponent(jRadioButton2))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 6, Short.MAX_VALUE)
                        .addComponent(hrg, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap())
        );

        jLabel5.setText("Nomor Kursi");

        jLabel6.setText("Nama Penumpang");

        jLabel7.setText("Jumlah Beli");

        jLabel8.setText("Total Bayar");

        jLabel9.setText("Uang Bayar");

        jLabel10.setText("Kembalian");

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

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

        input.setText("Input lagi");
        input.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                inputActionPerformed(evt);
            }
        });

        keluar.setText("keluar");
        keluar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                keluarActionPerformed(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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(65, 65, 65)
                        .addComponent(jLabel1))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGap(27, 27, 27)
                                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(39, 39, 39)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jLabel5)
                                    .addComponent(jLabel6)
                                    .addComponent(jLabel7)
                                    .addComponent(jLabel8)
                                    .addComponent(jLabel10)
                                    .addComponent(jLabel9)))
                            .addGroup(layout.createSequentialGroup()
                                .addGap(66, 66, 66)
                                .addComponent(input)
                                .addGap(33, 33, 33)
                                .addComponent(keluar)))
                        .addGap(69, 69, 69)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(total1, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(ubay, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jumlah, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(nama, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(nomor, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addComponent(ukem, javax.swing.GroupLayout.PREFERRED_SIZE, 97, 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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(26, 26, 26)
                        .addComponent(jLabel1)
                        .addGap(27, 27, 27)
                        .addComponent(jPanel1, 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(input)
                            .addComponent(keluar)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(76, 76, 76)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel5)
                            .addComponent(nomor, 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)
                            .addComponent(nama, 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.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel7)
                                .addGap(18, 18, 18)
                                .addComponent(jLabel8))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jumlah, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(total1, 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.LEADING)
                            .addComponent(ubay, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLabel9))))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel10)
                    .addComponent(ukem, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(28, Short.MAX_VALUE))
        );

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

    private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                             
        // TODO add your handling code here:
        if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Bandung"))
{
    harga=85000;
}
else if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Semarang"))
{
    harga=20000;
}
else if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Jogjakarta"))
{
    harga=145000;
}
else if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Solo"))
{
    harga=150000;
}
else if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Malang"))
{
    harga=180000;
}
else {
    harga=200000;
}
hrg.setText(String.valueOf(harga));
    }                                            

    private void jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                             
        // TODO add your handling code here:
        if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Bandung"))
{
    harga=100000;
}
   
if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Semarang"))
{
    harga=140000;
}
if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Jogjakarta"))
{
    harga=175000;
}
if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Solo"))
{
    harga=185000;
}
if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Malang"))
{
    harga=200000;
}
if(jurusan.getSelectedItem().toString().equalsIgnoreCase("Surabaya"))
{
    harga=215000;
}
hrg.setText(String.valueOf(harga));
    }                                            

    private void jumlahActionPerformed(java.awt.event.ActionEvent evt) {                                       
        // TODO add your handling code here:
        jml=Integer.parseInt(jumlah.getText());
        bayar=harga*jml;
        total1.setText(String.valueOf(bayar));
    }                                     

    private void ubayActionPerformed(java.awt.event.ActionEvent evt) {                                    
        // TODO add your handling code here:
     uby= Integer.parseInt(ubay.getText());
     kembali=uby-bayar;
     ukem.setText(String.valueOf(kembali));
    }                                   

    private void keluarActionPerformed(java.awt.event.ActionEvent evt) {                                      
System.exit(0);        // TODO add your handling code here:
    }                                      

    private void inputActionPerformed(java.awt.event.ActionEvent evt) {                                     
hrg.setText("");
nomor.setText("");
nama.setText("");
jumlah.setText("");
total1.setText("");
ubay.setText("");
ukem.setText("");
jRadioButton1.setSelected(false);
jRadioButton2.setSelected(false);
jurusan.setSelectedIndex(-1);
jurusan.requestFocus();
    }                                    

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {
                new travel().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify                    
    private javax.swing.JTextField hrg;
    private javax.swing.JButton input;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel10;
    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.JLabel jLabel9;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JRadioButton jRadioButton2;
    private javax.swing.ButtonGroup jenis;
    private javax.swing.JTextField jumlah;
    private javax.swing.JComboBox jurusan;
    private javax.swing.JButton keluar;
    private javax.swing.JTextField nama;
    private javax.swing.JTextField nomor;
    private javax.swing.JTextField total1;
    private javax.swing.JTextField ubay;
    private javax.swing.JTextField ukem;
    // End of variables declaration                  
}

Sumber dari : materi matkul java – Nusa Mandiri
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