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import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public MainClass() {
JButton btn1 = new JButton("Button1");
JButton btn2 = new JButton("Button2");
JButton btn3 = new JButton("Button3");
JButton btn4 = new JButton("Button4");
JButton btn5 = new JButton("Button5");
JButton btn6 = new JButton("Button6");
add(btn1);
add(btn2);
add(btn3);
add(btn4);
add(btn5);
add(btn6);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.getContentPane().add(new MainClass());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(200, 200);
frame.setVisible(true);
}
}
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