package POB_2019.Jerzy; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JButton; import java.awt.*; public class Okno extends JFrame { public Okno(){ super("Moje okno"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setPreferredSize(new Dimension(500,500)); setLocation(100,100); setVisible(true); } @Override public void paintComponents(Graphics g){ super.paintComponents(g); Graphics g2 = (Graphics2D) g; g2.drawOval(10,10, 490, 490); g2.drawRect(100,100, 400, 400); setVisible(true); } }