/* 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;

class SSample5_1 extends JFrame{
  public static void main(String args[]){
    SSample5_1 frame = new SSample5_1("タイトル");
    frame.setVisible(true);
  }

  SSample5_1(String title){
    setTitle(title);
    setBounds(100, 100, 300, 250);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel p = new JPanel();
    p.setBackground(Color.PINK);

    JRadioButton radio1 = new JRadioButton("Peach");
    JRadioButton radio2 = new JRadioButton("Apple");
    radio2.setForeground(Color.WHITE);
    radio2.setOpaque(false);
    JRadioButton radio3 = new JRadioButton("Orange");
    radio3.setForeground(Color.RED);
    radio3.setBackground(Color.WHITE);
    JRadioButton radio4 = new JRadioButton("Grape");
    radio4.setBackground(Color.YELLOW);

    ButtonGroup group = new ButtonGroup();
    group.add(radio1);
    group.add(radio2);
    group.add(radio3);
    group.add(radio4);

    p.add(radio1);
    p.add(radio2);
    p.add(radio3);
    p.add(radio4);

    Container contentPane = getContentPane();
    contentPane.add(p, BorderLayout.CENTER);
  }
}