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

public class ButtonPanel extends Panel{
    public void init(){
        Button b=new Button("Up");
        add(b);
        for(int i=0; i<5; i++){
            Label ms=new Label();
            b.addMouseListener(new LMouseAdapter(ms, i));
            this.add(ms);
        }
    }

    public static void main(String[] args){
        Frame f=new Frame();
        ButtonPanel bp=new ButtonPanel();
        bp.init();
        f.add(bp, "Center");
        f.pack();
        f.show();
    }
}

class LMouseAdapter extends MouseAdapter{
private Label lbl;
private int counter;
    LMouseAdapter(Label initlbl, int c){
        lbl=initlbl; counter=c; lbl.setText(counter+"");
    }
    public void mousePressed(MouseEvent e){
        counter++; lbl.setText(counter+"");
    }
}