import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class FlowLayoutExample{
 public static void main (String args[]) {
   JFrame frame_flow = new JFrame ("FlowLayout示例");
   Container contentPane = frame_flow.getContentPane();
   contentPane.setLayout(new FlowLayout());
   contentPane.add(new JButton("one"));
   contentPane.add(new JButton("two"));
   contentPane.add(new JButton("three"));
   contentPane.add(new JButton("four"));
   contentPane.add(new JButton("five")); 
   frame_flow.pack();
   frame_flow.show();
   frame_flow.addWindowListener(new WindowAdapter(){
    public void windowClosing(WindowEvent e) {
    System.exit(0);}});}}