Swing JList

JList

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

public class ListDemo implements ListSelectionListener {
	JList<String> jlst;
	JLabel jlab;
	JScrollPane jscrlp;
	
	String names[]= { "Yukee", "Jon", "Mountain", "Harry", "Ken", "Halen", "Tom", "Jerry" };
	
	ListDemo(){
		JFrame jfrm = new JFrame("Jlist Demo");
		
		jfrm.setLayout(new FlowLayout());
		
		jfrm.setSize(200, 160);
		
		jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		jlst = new JList<String>(names);
		
		jlst.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		
		jscrlp = new JScrollPane(jlst);
		
		jscrlp.setPreferredSize(new Dimension(120, 90));
		
		jlab = new JLabel("Please choose a name");
		
		jlst.addListSelectionListener(this);
		
		jfrm.add(jscrlp);
		jfrm.add(jlab);
		
		jfrm.setVisible(true);
	}
	//Handle list selection events
	public void valueChanged(ListSelectionEvent le) {
		int idx = jlst.getSelectedIndex();
	    if(idx != -1)
	        	jlab.setText("Current selection: " + names[idx]);
	    else
	    	    jlab.setText("Please choose a name");
	}

	public static void main(String[] args) {
		SwingUtilities.invokeLater(new Runnable() {		
			@Override
			public void run() {
				new ListDemo();
			}
		});

	}

}