setPreferredSize(new Dimension(200, 200));
setLayout(new BorderLayout());
this.setBorder(BorderFactory.createLineBorder(Color.black));
setPreferredSize(new Dimension(200, 200));
setLayout(new BorderLayout());
this.setBorder(BorderFactory.createLineBorder(Color.black));
class NoteArea extends JPanel {
public void RectanglePanel() {
setPreferredSize(new Dimension(20, 20));
class NoteArea extends JPanel {
public void RectanglePanel() {
setPreferredSize(new Dimension(20, 20));