Tutorial Membuat Program GUI Sederhana Dengan Netbeans

OK, kali ini saya diberi tugas java, kebetulan GUI, berikut penjelasannya:

Tutorial Membuat Program GUI Sederhana Dengan Netbeans

1.      Buka Program NetBeans

2.      Ke Menu Bar

3.      Klik New Project

4.      Pilih Java – Java Aplication

5.      Klik Next

6.      Ketik Nama Project, disini saya menggunakan nama
“tes”

7.      Klik Finish

8.      Pada Project anda pilih new- JFrame Form

9.      Buat Kreasi Kalian Sendiri, disini saya menggunakan 3 JButton

10.      Jika sudah sekarang, anda ke Source Code

Berikut Source Code Program Saya

import javax.swing.JOptionPane; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /* * tes.java * * Created on 06 Nov 11, 10:59:18 */ /** * * @author Alter Gajah Mada */ public class tes extends javax.swing.JFrame { /** Creates new form tes */ public tes() { 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() { jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); jTextField1 = new javax.swing.JTextField(); jButton3 = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jButton1.setText("About"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } }); jButton2.setText("Mulai"); jButton2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton2ActionPerformed(evt); } }); jTextField1.setBackground(new java.awt.Color(204, 204, 204)); jTextField1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N jTextField1.setText("HELLO GUI ALTER"); jButton3.setText("Exit"); jButton3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton3ActionPerformed(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(24, 24, 24) .addComponent(jButton2) .addGap(26, 26, 26) .addComponent(jButton1) .addGap(18, 18, 18) .addComponent(jButton3)) .addGroup(layout.createSequentialGroup() .addGap(76, 76, 76) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))) .addContainerGap(30, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addContainerGap() .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 62, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(33, 33, 33) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButton2) .addComponent(jButton3) .addComponent(jButton1)) .addContainerGap(53, Short.MAX_VALUE)) ); pack(); }// </editor-fold> private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { JOptionPane.showMessageDialog(null, "Hello World !");// Menampilkan Pesan Pop up } private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { JOptionPane.showMessageDialog(null, "Alter Gajah Mada\n 108091000094\n alterbleketek.blogspot.com");// Menampilkan Pesan Popup } private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) { System.exit(0);// perintah exit } /** * @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(tes.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(tes.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(tes.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(tes.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 tes().setVisible(true); } }); } // Variables declaration - do not modify private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JButton jButton3; private javax.swing.JTextField jTextField1; // End of variables declaration }

Anda harus menambahkan
import javax.swing.JOptionPane;
apabila ada notifikasi Error. Lihat Source Code saya paling atas.

Screenshot:
Pada saat Tombol Mulai di Klik

Tombol About Di Klik

Apabila Tombol Exit Di Klik maka, Program akan keluar

System.exit(0);// perintah exit

Selamat Mencoba, Tutorialnya sudah saya buat Klik Disini