cara membuat awt

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

/*
 * form.java
 *
 * Created on Jul 3, 2014, 2:35:59 PM
 */

package latihan_swing;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;

/**
 *
 * @author RX302-39
 */

public class form extends javax.swing.JFrame {

    /** Creates new form form */
    public form() {
        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();
        jLabel5 = new javax.swing.JLabel();
        txtnama = new javax.swing.JTextField();
        txtnim = new javax.swing.JTextField();
        txtfakultas = new javax.swing.JTextField();
        txtprogdi = new javax.swing.JTextField();
        btntampil = new javax.swing.JButton();
        btnreset = new javax.swing.JButton();
        btnexit = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
        jLabel1.setText("Data Diri");

        jLabel2.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
        jLabel2.setText("Nama");

        jLabel3.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
        jLabel3.setText("Nim");

        jLabel4.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
        jLabel4.setText("Fakultas ");

        jLabel5.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
        jLabel5.setText("Progdi");

        btntampil.setText("tampil");
        btntampil.setName("btntampil"); // NOI18N
        btntampil.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btntampilActionPerformed(evt);
            }
        });

        btnreset.setText("reset");
        btnreset.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnresetActionPerformed(evt);
            }
        });

        btnexit.setText("exit");
        btnexit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnexitActionPerformed(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(157, 157, 157)
                        .addComponent(jLabel1))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(24, 24, 24)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel3)
                            .addComponent(jLabel4)
                            .addComponent(jLabel5)
                            .addComponent(jLabel2))
                        .addGap(60, 60, 60)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(txtprogdi)
                            .addComponent(txtfakultas)
                            .addComponent(txtnim)
                            .addComponent(txtnama, javax.swing.GroupLayout.DEFAULT_SIZE, 185, Short.MAX_VALUE)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(btntampil)
                                .addGap(18, 18, 18)
                                .addComponent(btnreset)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 28, Short.MAX_VALUE)
                        .addComponent(btnexit)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel1)
                .addGap(32, 32, 32)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(txtnama, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel2))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(txtnim, 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(jLabel4)
                    .addComponent(txtfakultas, 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(jLabel5)
                    .addComponent(txtprogdi, 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(btntampil)
                    .addComponent(btnreset)
                    .addComponent(btnexit))
                .addContainerGap(80, Short.MAX_VALUE))
        );

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

    private void btntampilActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        String nama=txtnama.getText();
        String nim=txtnim.getText();
         String fakultas=txtfakultas.getText();
          String progdi=txtprogdi.getText();
         JOptionPane.showMessageDialog(this, "nama\t: "+nama+"\n"+"nim\t: "+nim+"\n"+"Fakultas: "+fakultas+"\n"+"progdi\t: "+progdi);
    }

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

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

    // Variables declaration - do not modify
    private javax.swing.JButton btnexit;
    private javax.swing.JButton btnreset;
    private javax.swing.JButton btntampil;
    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.JTextField txtfakultas;
    private javax.swing.JTextField txtnama;
    private javax.swing.JTextField txtnim;
    private javax.swing.JTextField txtprogdi;
    // End of variables declaration

}