import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;

import java.awt.SystemColor;

import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;

import java.util.*;
import java.awt.*;
import java.awt.event.*;

public class LetsSwing{
	public static void main(String[] args) {
		JFrame frame = new JFrame("Let's Swing...");
		JPanel panel = new JPanel(new BorderLayout());
		frame.getContentPane().add(panel);

		final String[] names = {"Black", "Blue", "Cyan", "Green", "Magenta", "Orange", "Red", "White", "Yellow"};
		final JList l = new JList(names);
		panel.add(l, BorderLayout.CENTER);
		
		l.addListSelectionListener(
				new ListSelectionListener(){
					public void valueChanged(ListSelectionEvent e){
						int selection = l.getSelectedIndex();
						if(selection==0) {l.setBackground(Color.black);}
						if(selection==1) {l.setBackground(Color.magenta);}
						System.out.println("Geht");
					}
				});
		
		JButton b = new JButton("Reset");
		b.addActionListener(
			//entspricht 
			//  class IrgendeinName implements ActionListener {
			//	    public void actionPerformed(ActionEvent e){
			//      }
			//  }
			new ActionListener() {
				public void actionPerformed(ActionEvent e){
					System.out.println(l.getSelectedIndex());
					if (l.getSelectedIndex()>=0) {
						System.out.println("Hallo "+names[l.getSelectedIndex()]);
					}
				}
			}
		
		);
		
		
		panel.add(b, BorderLayout.SOUTH);
		
		//sorgt dafuer, dass alle Steuerelemente sichtbar sind
		frame.pack();
		frame.setSize(300,210);
		frame.setVisible(true);
	}
}