perchNonVa?

public class Grafica extends Frame implements WindowListener, MouseListener{

    private final TextArea t1;
    private final Panel p1;
    private final Button b1;

    public Grafica(){
        super("Blocco note");


    setLocation(0, 0);
        setResizable(false);
        setSize(480, 250);
        setLayout(null);
        p1 = new Panel();
        p1.setSize(500,200);
        p1.setLocation(50, 30);
        p1.setBackground(Color.red);
        
        
        t1 = new TextArea();
        t1.setSize(50, 50);
        t1.setLocation(80, 40);
        p1.add(t1);

        b1 = new Button("Salva");
        b1.setSize(50,20);
        b1.setLocation(380/2, 180+30);
        p1.add(b1);


        add(p1);
        addWindowListener(this);
        setBackground(Color.CYAN);
        setLocation(0, 0);
        setResizable(false);
        setSize(480, 250);
        setLayout(null);
        setVisible(true);
    }

    public void windowOpened(WindowEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void windowClosing(WindowEvent e) {
        dispose();
    }

    public void windowClosed(WindowEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void windowIconified(WindowEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void windowDeiconified(WindowEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void windowActivated(WindowEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void windowDeactivated(WindowEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mouseClicked(MouseEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mousePressed(MouseEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mouseReleased(MouseEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mouseEntered(MouseEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void mouseExited(MouseEvent e) {
        throw new UnsupportedOperationException("Not supported yet.");
    }


}