/* Swingサンプル */ import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.ButtonGroup; import java.awt.Container; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; class SSample9_1 extends JFrame{ public static void main(String args[]){ SSample9_1 frame = new SSample9_1("タイトル"); frame.setVisible(true); } SSample9_1(String title){ setTitle(title); setBounds(100, 100, 300, 250); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel p = new JPanel(); JRadioButton radio1 = new JRadioButton("Peach"); radio1.setPreferredSize(new Dimension(150, 60)); radio1.setBackground(Color.PINK); JRadioButton radio2 = new JRadioButton("Apple"); radio2.setPreferredSize(new Dimension(150, 60)); radio2.setHorizontalAlignment(JRadioButton.CENTER); radio2.setVerticalAlignment(JRadioButton.TOP); radio2.setBackground(Color.YELLOW); JRadioButton radio3 = new JRadioButton("Orange"); radio3.setPreferredSize(new Dimension(150, 60)); radio3.setHorizontalAlignment(JRadioButton.RIGHT); radio3.setVerticalAlignment(JRadioButton.BOTTOM); radio3.setBackground(Color.WHITE); ButtonGroup group = new ButtonGroup(); group.add(radio1); group.add(radio2); group.add(radio3); p.add(radio1); p.add(radio2); p.add(radio3); Container contentPane = getContentPane(); contentPane.add(p, BorderLayout.CENTER); } }