Box Layout

public class BoxLayoutTest extends JFrame {

public BoxLayoutTest() {

super("Box Layout Test example");

JRadioButton r1, r2;

setLayout(new BorderLayout());

Box left = Box.createVerticalBox();

left.add(Box.createVerticalStrut(30));

ButtonGroup radioGroup = new ButtonGroup();

radioGroup.add(r1 = new JRadioButton("야구"));

left.add(r1);

left.add(Box.createVerticalStrut(30));

radioGroup.add(r2 = new JRadioButton("축구"));

left.add(r2);

JPanel leftPanel = new JPanel(new BorderLayout());

leftPanel.setBorder(new TitledBorder(new EtchedBorder(),"스포츠"));

leftPanel.add(left,BorderLayout.CENTER);

Box right = Box.createVerticalBox();

right.add(Box.createVerticalStrut(30));

right.add(new JCheckBox("C언어"));

right.add(Box.createVerticalStrut(30));

right.add(new JCheckBox("Java"));

right.add(Box.createVerticalStrut(30));

right.add(new JCheckBox("C#"));

right.add(Box.createVerticalStrut(30));

right.add(new JCheckBox("Phython"));

JPanel rightPanel = new JPanel(new BorderLayout());

rightPanel.setBorder(new TitledBorder(new EtchedBorder(),"프로그래밍 언어"));

rightPanel.add(right,BorderLayout.CENTER);

Box center = Box.createHorizontalBox();

center.add(leftPanel);

center.add(rightPanel);

add(center, BorderLayout.CENTER);

setSize(300,300);

setVisible(true);

}

public static void main(String[] args) {

// TODO Auto-generated method stub

BoxLayoutTest box = new BoxLayoutTest();

box.setDefaultCloseOperation(EXIT_ON_CLOSE);

}

}