清华大学：JAVA教学课件：7-5

import java.awt.*;
import javax.swing.*;
public class FlowLayoutDemo {
private JFrame frame;
private JButton button1,button2,button3;
public static void main(String args[]) {
FlowLayoutDemo that = new FlowLayoutDemo ();
that.go();
}
public void go() {
frame = new JFrame("Flow Layout");
Container contentPane = frame.getContentPane();
//为内容窗格设置FlowLayout布局管理器
contentPane.setLayout(new FlowLayout());
button1 = new JButton("Ok");
button2 = new JButton("Open");
button3 = new JButton("Close");
contentPane.add(button1);
contentPane.add(button2);
contentPane.add(button3);
frame.setSize(200,100);
frame.setVisible(true);
}
}