🚀 go-pugleaf

Lorsque j'essaye de compiler la partie du code en dessous, je recois de
la part de Jbuilder plein de message d'erreur. Aidez moi s'il vous
plais. Merci.

import com.objectspace.jgl.functions.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import borland.jbcl.layout.*;
import borland.jbcl.control.*;
import com.sun.java.swing.*;
import com.sun.java.swing.text.*;
import com.sun.java.swing.text.rtf.*;
import com.sun.java.swing.text.SimpleAttributeSet;

public class JavaPad extends Applet {
  boolean isStandalone = false;
  BevelPanel bevelPanel1 = new BevelPanel();
  BevelPanel bevelPanel2 = new BevelPanel();
  DefaultStyledDocument doc = new DefaultStyledDocument();
  JTextPane jTextPane1 = new JTextPane(doc);
  JScrollPane scrollPane = new JScrollPane(jTextPane1);
  static final String NORMAL = "Normal";
  static final String ITALIC = "Italic";
  static final String BIG = "Big";

  Hashtable paraStyles = new Hashtable();

  SimpleAttributeSet attr = new SimpleAttributeSet();
  paraStyles.put(NORMAL, attr);

  attr = new SimpleAttributeSet();
  StyleConstants.setItalic(attr,true);
  paraStyles.put(ITALIC, attr);

  attr = new SimpleAttributeSet();
  StyleConstants.setFontSize(attr, 36);
  paraStyles.put(BIG, attr);

  pane.setStyledDocument(doc = new DefaultStyledDocument());
  AttributeSet defaultStyle = (AttributeSet) paraStyles.get(NORMAL);
  AttributeSet italicStyle = (AttributeSet) paraStyles.get(ITALIC);
  AttributeSet bigStyle = (AttributeSet) paraStyles.get(BIG);
  doc.insertString(doc.getLength(),"Hello World\n",bigStyle);
  doc.insertString(doc.getLength(),"what's up doc ?\n",italicStyle);
  doc.insertString(doc.getLength(),"Boring ...\n",defaultStyle);