Aplikasi Notepad dengan Java

Notepad.java

/**
 *
 * @author Resa C.R
 */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.Scanner;

public class Notepad extends JFrame
{
    Container konten = getContentPane();
    private JMenuBar menuBaris = new JMenuBar();
    private JMenu menuFile = new JMenu("Berkas");
    private JMenu menuTentang = new JMenu("Tentang");
    private JMenuItem miAplikasi = new JMenuItem("Aplikasi");
    private JMenuItem miSimpan = new JMenuItem("Simpan");
    private JMenuItem miBuka = new JMenuItem("Buka");
    private JMenuItem miKeluar = new JMenuItem("Keluar");
    private JTextArea textArea = new JTextArea("",0,0);
    private JFileChooser fc = new JFileChooser();
    
     //Konstuktor
    public Notepad()
    {
        setTitle("Aplikasi Notepad");
        setSize(700,600);
        setVisible(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
        
         setJMenuBar(menuBaris);
            menuBaris.add(menuFile);
                menuFile.add(miSimpan);
                    miSimpan.setMnemonic(KeyEvent.VK_S); //Membuat nama shortcut
                    miSimpan.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,ActionEvent.CTRL_MASK)); //Membuat shorcut Keyboard 
                menuFile.add(miBuka);
                    menuFile.addSeparator(); //Menambahkan garis separator
                    miBuka.setMnemonic(KeyEvent.VK_B);
                    miBuka.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B,ActionEvent.CTRL_MASK));
                menuFile.add(miKeluar);
                    miKeluar.setMnemonic(KeyEvent.VK_K);
                    miKeluar.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_K,ActionEvent.CTRL_MASK));
            menuBaris.add(menuTentang);
                menuTentang.add(miAplikasi);
                    miAplikasi.setMnemonic(KeyEvent.VK_A);
                    miAplikasi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,ActionEvent.CTRL_MASK));
       
      konten.add(textArea);
      textArea.setFont(new Font("Arial",Font.BOLD,14)); //Mengatur Fonts
      textArea.setLineWrap(true);
      
      miBuka.addActionListener(new ActionListener()
      {
         public void actionPerformed(ActionEvent act)
         {
             int buka = fc.showOpenDialog(textArea);
             if(buka == JFileChooser.APPROVE_OPTION)
             {
                 textArea.setText("");
                 try
                 {
                   Scanner scan = new Scanner(new FileReader(fc.getSelectedFile().getPath())); //Membuat scanner membaca file yang dibuka
                   while(scan.hasNext())
                   {
                       textArea.append(scan.nextLine());
                   }
                 }
                 catch(Exception ex)
                 {
                     System.out.println(ex);
                 }
             }
         }
      });
      
      miSimpan.addActionListener(new ActionListener()
      {
         public void actionPerformed(ActionEvent act)
         {
             int simpan = fc.showOpenDialog(textArea);
             if(simpan == JFileChooser.APPROVE_OPTION)
             {
                 try
                 {
                     BufferedWriter bw = new BufferedWriter(new FileWriter(fc.getSelectedFile().getPath())); //Menulis File yang kita buka di TextArea
                     bw.write(textArea.getText());
                     bw.close();
                 }
                 catch(Exception ex)
                 {
                     System.out.println(ex);
                 }
             }
         }
      });
      
      miKeluar.addActionListener(new ActionListener()
      {
          public void actionPerformed(ActionEvent act)
          {
           dispose(); //Keluar dari aplikasi
          }
      });
      
      miAplikasi.addActionListener(new ActionListener()
      {
          public void actionPerformed(ActionEvent act)
          {
            JOptionPane.showMessageDialog(null,"Aplikasi Notepad","Pesan",JOptionPane.INFORMATION_MESSAGE);
          }
      });
       
        
    }//Akhir Konstruktor
    
    public static void main(String[] ar)
    {
        new Notepad();
    }
}