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import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class MyFrame extends JFrame implements ActionListener { MyFrame () { System.out.println("Hi"); JButton button = new JButton("Przycisk"); this.add(button); button.addActionListener(this); this.setSize(400,400); this.setVisible(true); } public void actionPerformed(ActionEvent arg0) { System.out.println("Siema1"); } ; }
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