1	package com.tkadvance;
2
3	import javax.swing.Box;
4	import javax.swing.JButton;
5	import javax.swing.JFrame;
6
7	public class SampleBox extends JFrame{
8
9		private static final long serialVersionUID = 1L;
10
11		public SampleBox() {
12			this.setTitle("サンプルコンテナ　2-Box");
13			this.setDefaultCloseOperation(EXIT_ON_CLOSE);
14
15	        Box box = Box.createVerticalBox();
16	        getContentPane().add(box);
17
18	        box.add(Box.createVerticalStrut(20));
19	        box.add(new JButton("button 1"));
20	        box.add(Box.createGlue());
21	        box.add(new JButton("button 2"));
22
23	        this.pack();
24	        this.setVisible(true);
25		}
26
27		public static void main(String[] args) {
28			new SampleBox();
29		}
30	}