browser mini project with java

import java.awt.*; import java.awt.event.*; import java.io.*; import java.net.*; import javax.swing.*; import javax.swing.event.*; public class Tarayici extends JFrame implements ActionListener,HyperlinkListener { private JEditorPane webs; private JScrollPane kay; private JMenuBar menubar; private JMenu menu,hakkimda; private JMenuItem menukapa; private Button kapat; private Button yazdir; private Button dugme; private TextField kutu; private URL url; public Tarayici() { super("Tarayici"); setSize(950,700); Container c=getContentPane(); dugme=new Button("Git"); dugme.addActionListener(this); menubar=new JMenuBar(); menu=new JMenu("Dosya"); hakkimda=new JMenu("Hakkýmda"); hakkimda.addActionListener(this); menukapa=new JMenuItem("Çýkýþ"); menukapa.addActionListener(this); menu.add(menukapa); menubar.add(menu); menubar.add(hakkimda); kapat=new Button("Kapat"); kapat.addActionListener(this); yazdir=new Button("Geri"); yazdir.addActionListener(this); kutu=new TextField("http://www."); kutu.addActionListener(this); webs=new JEditorPane(); webs.setEditable(false); webs.addHyperlinkListener(this); setJMenuBar(menubar); c.setLayout(null); kay=new JScrollPane(webs); kay.setBounds(10,50,940,650); kutu.setBounds(10,20,740,25); dugme.setBounds(751,20,50,25); kapat.setBounds(803,20,50,25); yazdir.setBounds(855,20,50,25); c.add(kapat); c.add(kay); c.add(dugme); c.add(yazdir); c.add(kutu); show(); } public void actionPerformed(ActionEvent e) { setTitle("Kachak Web Tarayici - Site Açýlýyor..."); setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); Object kaynak=e.getSource(); String satir=kutu.getText(); if (kaynak==dugme || kaynak==kutu) { try { webs.setPage(satir); setTitle("Kachak Web Tarayici - Açýldý"); } catch (IOException ei) { try { webs.setPage("http://www.cmaeal.com/hata/hata.html"); kutu.setText("hata: sayfaYok"); } catch (IOException se) { System.out.print("Hata oldu.."); } } } else if (kaynak==kapat) { System.exit(0); } else if (kaynak==hakkimda) { JOptionPane.showMessageDialog( this,"Sürüm 1.0","Yazan: Can ÖKÇELIK",JOptionPane.INFORMATION_MESSAGE ); } else if (kaynak==menukapa) { System.exit(0); } else if (kaynak==yazdir) { webs.setPage((String)yazdir.getEditor().getItem()); } } public void hyperlinkUpdate( HyperlinkEvent ea ) { if ( ea.getEventType() == HyperlinkEvent.EventType.ACTIVATED ) { try { webs.setPage( ea.getURL().toString() ); kutu.setText(ea.getURL().toString()); } catch (IOException ei) { try { webs.setPage("http://www.cmaeal.com/hata/hata.html"); kutu.setText("hata: sayfaYok"); } catch (IOException se) { System.out.print("Hata oldu.."); } } } } public static void main(String[] args) { Tarayici t=new Tarayici(); t.setVisible(true); } }