JLabel ActionListener Java

public class opisy extends JComponent {
	
	
	private JLabel  metallvl;
	
	
	
	public opisy(){
		
		metallvl = new JLabel("Kopalnia Metalu " + Stage.LVLMETAL);
		metallvl.setForeground(Color.WHITE);
		metallvl.setBounds(400,130,150,30);
		add(metallvl);
setBounds(0,0,Stage.SZEROKOSC,Stage.WYSOKOSC);
		setVisible(true);
		 

 package Ogame;
import javax.swing.*;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;



public class Ogame extends JFrame {
	public Ogame(){
		
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setLayout(null);
		
		JComponent panel2 = new przyciski();
		add(panel2);
		
		JComponent panelopisow = new opisy();
		add(panelopisow);
		
		JPanel panel = new obrazki();
		add(panel);
		
		
		

		setBounds(0, 0, Stage.SZEROKOSC , Stage.WYSOKOSC);
		setVisible(true);
		
		
	}
	
public static void main(String[] args){
	SwingUtilities.invokeLater(new Runnable(){
		public void run(){
			new Ogame();
		}
	});
	 
	
}
}

metallv1.setText...);

ActionListener al = new ActionListener(){
		public void actionPerformed(ActionEvent e){
			Object source = e.getSource();
				if(source == budkry){
					Stage.LVLMETAL +=1 ;
					
				}
			}
		}; 

 package Ogame;
public class Stage {
	
		public static final int WYSOKOSC = 720;
		public static final int SZEROKOSC = 1260;
		public static final int SZYBKOSC = 10;
		public static int LVLMETAL = 0 ;
		
}