Chapters 2-5

javax.swing  package of GUI components

JOptionPane
  .showMessageDialog(null, String message)
  .showMessageDialog(null, String message, String title, JOptionPane.dialog type)
  .showMessageDialog(null, JTextArea ref, String title, JOptionPane.dialog type)
  .showMessageDialog(null, JScrollPane ref, String title, JOptionPane.dialog type)
                           JOptionPane--JScrollPane--JTextArea--String
 ERROR_MESSAGE
 INFORMATION_MESSAGE    is the default for showMessageDialog
 WARNING_MESSAGE
 QUESTION_MESSAGE
 PLAIN_MESSAGE  
you get different icons with the different message types 
(except PLAIN_MESSAGE has no icon)

  .showInputDialog(String prompt)     returns String

  .showConfirmDialog(null, String message, String title, JOptionPane.YES_NO_OPTION)
  returns int JOptionPane.YES_OPTION  or JOptionPane.NO_OPTION

JTextArea mytextarea = new JTextArea()
JTextArea mytextarea = new JTextArea(rows, cols)
  mytextarea.setLineWrap(true/false)
  mytextarea.setFont(Font)
  mytextarea.setText(String)
  mytextarea.append (String)
  myTextArea.setBorder( BorderFactory.createLineBorder( Color.RED ) )

scrollbar for a textarea:
JScrollPane myscrollpane = new JScrollPane(mytextarea)



Applets
java.awt.Graphics        //drawing methods
javax.swing.JApplet

public class MyCoolApplet extends JApplet {
  public void init() {
  //called once when applet frist starts
  //typically to initialize fields and create GUI
  //optional
  }

  public void paint (Graphics g) {
    super.paint(g);   //clears applet area
    //called after init and start and whenever screen needs refreshing
    g.drawString(String,x,y)
    g.drawLine(x1,y1,x2,y2)
    g.drawRect(x,y,width,height)
    g.drawOval(x1,y1,width,height)        //bounding box
  }
}


.html file
 <applet code="MyCoolApplet.class" width="400" height="200">
 </applet>

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Important sections, pages, examples:
2.4
2.5
3.3
3.5
p 153
p 178,9
p 183,4
p 197,8