testlist.java

有大量的java的实例

import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class TestList extends Applet implements ActionListener,ItemListener
{
	List MyList;
	Label result;
	public void init()	
	{
		result = new Label("您双击了选项    ");
		MyList = new List(4,true);
		MyList.add("北京");
		MyList.add("上海");
		MyList.add("南京");
		MyList.add("西安");
		MyList.add("重庆");
		MyList.add("深圳");
		add(MyList);
		add(result);
		MyList.addActionListener(this);
		MyList.addItemListener(this);
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==MyList)
			result.setText("您双击了选项"+e.getActionCommand());
	}
	public void itemStateChanged(ItemEvent e)
	{
		List temp;
		String sList[];
		String mgr = new String("");
		if(e.getItemSelectable() instanceof List)
		{
			temp = (List)(e.getItemSelectable());
			sList = temp.getSelectedItems();
			for(int i=0;i<sList.length;i++)
				mgr = mgr + sList[i] + " ";
			showStatus(mgr);
		}
	}
}