import javax.swing.*;

import java.awt.Frame;
import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Label;
import java.awt.Checkbox;
import java.awt.Choice;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.CheckboxGroup;
import java.awt.List;
import java.awt.Panel;
import java.awt.Menu;
import java.awt.MenuItem;
import java.awt.MenuBar;
import java.awt.Scrollbar;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.CheckboxMenuItem;

public class ComponentTest extends JFrame {
    public static void main(String args[]) {
	  new ComponentTest();
    }

    public ComponentTest() 
    {
          String oftenStr = "often";
	  String sometimesStr = "sometimes";
	  String neverStr = "never";
	
	  setTitle("Heinz' Frame");
	  getContentPane().setLayout(new FlowLayout());

	  getContentPane().add(new JButton("Button"));
	  getContentPane().add(new JCheckBox("Checkbox"));
	  getContentPane().add(new JLabel("Label"));
	  getContentPane().add(new Canvas()); // you cannot see it, but it's there

	  getContentPane().add(new JPanel()); // you cannot see it, but it's there
	  getContentPane().add(new JScrollBar(JScrollBar.HORIZONTAL));
	  getContentPane().add(new JTextArea("TextArea", 5, 20));
	  getContentPane().add(new JTextField("TextField"));

	  JComboBox chooser = new JComboBox();
	  chooser.addItem("Yes");
	  chooser.addItem("No");
	  chooser.addItem("Maybe");
	  getContentPane().add(chooser);

	
	  JRadioButton often = new JRadioButton(oftenStr, true);
	  often.setMnemonic('o');
          often.setActionCommand(oftenStr);

	  JRadioButton sometimes = new JRadioButton(sometimesStr, false);
	  sometimes.setMnemonic('s');
	  sometimes.setActionCommand(sometimesStr);  
	  
	  JRadioButton never = new JRadioButton(neverStr, false);
 	  never.setMnemonic('n');
          never.setActionCommand(neverStr);   	
 
	  ButtonGroup group = new ButtonGroup();
	  group.add(often);
	  group.add(sometimes);
	  group.add(never);
	  getContentPane().add(often);
	  getContentPane().add(sometimes);
	  getContentPane().add(never);
	  
          String[] data = {"Victoria", "New South Wales", "Queensland", "South Australia", "West Australia", "Tasmania", "Northern Territory", "Australian Capital Territory"};
	  JList states = new JList(data);
	  states.setVisibleRowCount(4);  
	  JScrollPane myScroller = new JScrollPane(states,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,  ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
          this.getContentPane().add(myScroller);
	

	  JMenu file = new JMenu("File");
	  file.add(new JMenuItem("Open..."));
	  file.add(new JMenuItem("Save"));
	  file.add(new JMenuItem("Save As..."));
	  file.addSeparator();
	  file.add(new JCheckBoxMenuItem("Confirm Changes?"));
	  file.addSeparator();
	  file.add(new JMenuItem("Quit"));
	  
	  JMenuBar menu = new JMenuBar();
	  menu.add(file);
	  
	  setJMenuBar(menu);

	  setSize(600, 250);
	  show();
    }
}