import java.applet.Applet;
public class SimpleEvent
  extends Applet
  implements MouseListener
{
  public void init()
  {
    addMouseListener(this);
  }
  public void mousePressed(MouseEvent e)
  {
    getGraphics().drawString("hi", e.getX(), e.getY());
  }
  ... // other MouseListener functions
}

processMouseEvent, processActionEvent, process

import java.awt.*;
import java.applet.Applet;
public class SimpleButtonEvent
  extends Applet
  implements ActionListener
{
  public void init()
  {
    Button b = new Button("Press me");
    b.addActionListener(this);
    add(b);
  }
  public void actionPerformed(ActionEvent e)
  {
    play(getCodeBase(), "audio/beep.au");
  }
}

import java.awt.*;
import java.applet.Applet;
public class SimpleButtonEvent
  extends Applet
{
  Button b;
  class MouseHandler
    extends MouseAdaptor
  {
    String message;
    MouseHandler(String msg)
    {
      message = msg;
    }
    public void mouseClicked(MouseEvent e)
    {
      getGraphics().drawString(message, e.getX(), e.getY());
    }
  }
  public void init()
  {
    b = new Button("Press me");
    b.addMouseListener(new MouseHandler("hi"));
    add(b);
  }
  public void actionPerformed(ActionEvent e)
  {
    play(getCodeBase(), "audio/beep.au");
  }
}

import java.applet.*;
import java.awt.*;
public class LabelTest
  extends Applet
{
  public void init()
  {
    add(new Label("A label"));
    add(new Label("Another label", Label.RIGHT)); // right justify
  }
}

append, insert, replaceRange