GUI

simple code that creat GUI components , check box , Radio button, dropdown list , and sellect list..

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class GUITest extends JFrame{

  //the viriables
  private JTextField field;
  private JCheckBox bold , italic;
  private ButtonGroup RadioButtons;
  private JRadioButton black , red , blue;
  private JComboBox Icone;
  private JList BackGround;
  private JLabel label;

  private String IconNames[]  = {"icon1.gif","icon2.gif","icon3.gif","icon4.gif","icon5.gif",}; // <== put some *.gif images with the same names
  private String ColorNames[] = {"White", "Black", "Blue", "Red", "Green", "Yellow" };

  private Icon icons[] = {new ImageIcon(IconNames[0]) ,new ImageIcon(IconNames[1]) ,
                          new ImageIcon(IconNames[2]) ,new ImageIcon(IconNames[3]) ,
                          new ImageIcon(IconNames[4]) ,};

  private final Color colors[] = {Color.white , Color.black , Color.BLUE , Color.red , Color.GREEN , Color.yellow  };

  //set up the GUI
  public GUITest()
    {
    super(" GUI Test");

    final Container container = getContentPane();
    container.setLayout(new FlowLayout());


    //the text------------------------------------------------------------------
    field = new JTextField("\tWelcom in this GUI..\t");
    field.setFont(new Font("Serif", Font.PLAIN , 14));
    field.setEditable(false);
    field.setBackground(Color.lightGray);

    container.add(field);

    // the check boxs-----------------------------------------------------------
    bold = new JCheckBox("Bold");
    italic = new JCheckBox("Italic");
    container.add(bold);
    container.add(italic);
       //add event handler to the check boxs
    EventHandler handler = new EventHandler();
    bold.addItemListener(handler);
    italic.addItemListener(handler);

    // the RadioButon-----------------------------------------------------------
    black = new JRadioButton("Black", true);
    red = new JRadioButton("Red", false);
    blue = new JRadioButton("Blue", false);
       //add them to the form
    container.add(black);
    container.add(red);
    container.add(blue);
       // group them
    RadioButtons = new ButtonGroup();
    RadioButtons.add(black);
    RadioButtons.add(red);
    RadioButtons.add(blue);
       // add event handler to the radio button
    black.addItemListener(handler);
    red.addItemListener(handler);
    blue.addItemListener(handler);

    // drop down list-----------------------------------------------------------
    Icone = new JComboBox(IconNames);
    Icone.setMaximumRowCount(3);
        //add event handler
    Icone.addItemListener(   //S1
        new ItemListener(){  // S2
            public void itemStateChanged(ItemEvent event){ //S3
            if(event.getStateChange() == ItemEvent.SELECTED)
              label.setIcon(icons[Icone.getSelectedIndex()]);
            }   //E3
        }       //E2
        );// end add item Listners - E1

    container.add(Icone);
    label = new JLabel(icons[0]);
    container.add(label);

    // selection list-----------------------------------------------------------
    BackGround = new JList(ColorNames);
    BackGround.setVisibleRowCount(4);
    BackGround.setBackground(Color.LIGHT_GRAY);
    BackGround.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    container.add(new JScrollPane(BackGround));
         //add event handler
    BackGround.addListSelectionListener( // S1
        new ListSelectionListener(){     //S2
        public void valueChanged (ListSelectionEvent event){ //S3
          Color BG = colors[BackGround.getSelectedIndex()];
          container.setBackground(BG);
            // just to make all the item with the same BackGround
          BackGround.setBackground(BG);

          bold.setBackground(BG);
          italic.setBackground(BG);

          black.setBackground(BG);
          blue.setBackground(BG);
          red.setBackground(BG);

          Icone.setBackground(BG);

          field.setBackground(BG);

        } //E3
    }     //E2
    );// end ListSelectionListener E1


    // the frame setting--------------------------------------------------------
    setSize(500 , 300);
    setVisible(true);



    }//end the constructor


//
// class for Event Handler------------------------------------------------------
private class EventHandler implements ItemListener
  {

       private int ValBold   = Font.PLAIN;
       private int ValItalic = Font.PLAIN;
       private Color FontColor;
       public void itemStateChanged(ItemEvent event)
       {
         if (event.getSource() == bold)
             ValBold = bold.isSelected() ? Font.BOLD : Font.PLAIN;

         if (event.getSource() == italic)
             ValItalic = italic.isSelected() ? Font.ITALIC : Font.PLAIN;

         if (black.isSelected()){FontColor = Color.black;}
         else if (red.isSelected()){FontColor = Color.red;}
         else if (blue.isSelected()){FontColor = Color.BLUE;}

         field.setFont(new Font("Serif", ValBold+ValItalic , 14));
         field.setForeground (FontColor);
       }// end method CheckBox

  }


/// end class EventHandler









// the main method
 public static void main(String[] args) {
   System.out.println("\n\n\tStart the main Method:\n");

   // the call for the classes start from hear ---VV--V--Vv ----vV-------------

    GUITest test = new GUITest();
    test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

   // the call for the classes end hear ------------^^-^^^---^-^^^^^-----------

 }//end the main method

}// end class GUITest

if you have any question just ask..