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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class FlowLayoutDemo extends JFrame implements ActionListener{
    JButton jb;
    FlowLayoutDemo(){
    super("FlowLayoutDemo²¼¾Ö");
  // Container c=f.getContentPane();
    FlowLayout flow=new FlowLayout(FlowLayout.CENTER,10,10);
    getContentPane().setLayout(flow);
    for(int i=0;i <=9;i++){
    jb=new JButton(""+i);
    jb.addActionListener(this);
    add(jb);
    }
    }
    public void actionPerformed(ActionEvent e){
    if(e.getSource()==jb){System.exit(0);}
    }
    public static void main(String args[]){
    JFrame f=new FlowLayoutDemo();
    f.setSize(300,200);
    f.setVisible(true);
    }
}
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È»ºó public void actionPerformed(ActionEvent e){
    if(e.getSource()==jb){System.exit(0);}
    }
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