java MVC

Berikut adalah contoh program MVC

/*nama kelompok satu:

* adhi

*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

/*

* Adhisatu.java

*

* Created on Mar 27, 2009, 8:26:59 PM

*/

package javaapplication3;

/**

*

* @author cahya computer

*/

public class Adhisatu extends javax.swing.JFrame {

private String str = "Hasilnya adalah : ";

private int a, b;

/** Creates new form Adhisatu */

public Adhisatu() {

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")

//
private void initComponents() {

lblJumlahan = new javax.swing.JLabel();
txtA = new javax.swing.JTextField();
txtB = new javax.swing.JTextField();
btnHitung = new javax.swing.JButton();
lblHasil = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jToolBar1 = new javax.swing.JToolBar();
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jMenuItem2 = new javax.swing.JMenuItem();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setBackground(new java.awt.Color(255, 255, 51));
setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
setForeground(new java.awt.Color(153, 255, 0));

lblJumlahan.setFont(new java.awt.Font("Tahoma", 1, 14));
lblJumlahan.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
lblJumlahan.setText("Perhitungan Gaya (F)");

btnHitung.setText("Hitung Gaya");
btnHitung.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnHitungActionPerformed(evt);
}
});

lblHasil.setText("Hasilnya adalah : ");

jLabel1.setText("Massa (m) :");

jLabel2.setText("Percepatan ( a ) :");

jToolBar1.setRollover(true);

jMenu1.setText("Menu");

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

jMenuItem2.setText("Close");
jMenu1.add(jMenuItem2);

jMenuBar1.add(jMenu1);

setJMenuBar(jMenuBar1);

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(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addGap(65, 65, 65)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(txtB)
.addComponent(txtA, javax.swing.GroupLayout.DEFAULT_SIZE, 97, Short.MAX_VALUE)))
.addComponent(lblHasil)))
.addGroup(layout.createSequentialGroup()
.addGap(101, 101, 101)
.addComponent(lblJumlahan, javax.swing.GroupLayout.PREFERRED_SIZE, 168, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(82, 82, 82)
.addComponent(btnHitung, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(125, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(27, 27, 27)
.addComponent(lblJumlahan)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 26, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(txtA, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(26, 26, 26)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(txtB, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addComponent(btnHitung)
.addGap(27, 27, 27)
.addComponent(lblHasil)
.addGap(36, 36, 36)
.addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
);

pack();
}//

private void btnHitungActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here:

a = Integer.parseInt(txtA.getText());

b = Integer.parseInt(txtB.getText());

int hasil = a * b;

lblHasil.setText(str + hasil);

}

private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here:

}

/**

* @param args the command line arguments

*/

public static void main(String args[]) {

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {

new Adhisatu().setVisible(true);

}

});

}

// Variables declaration - do not modify

private javax.swing.JButton btnHitung;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JMenu jMenu1;

private javax.swing.JMenuBar jMenuBar1;

private javax.swing.JMenuItem jMenuItem1;

private javax.swing.JMenuItem jMenuItem2;

private javax.swing.JToolBar jToolBar1;

private javax.swing.JLabel lblHasil;

private javax.swing.JLabel lblJumlahan;

private javax.swing.JTextField txtA;

private javax.swing.JTextField txtB;

// End of variables declaration

}